【CCCC】PAT : 团体程序设计天梯赛-练习集 L1 答案-阿里云开发者社区

【CCCC】PAT : 团体程序设计天梯赛-练习集 L1 答案

鉴定完毕，全部水题ヾ(•ω•`)o

标号	标题	分数	通过数	提交数	通过率
L1-001	Hello World	5	46779	112778	0.41
L1-002	打印沙漏	20	20237	83655	0.24
L1-003	个位数统计	15	20404	65549	0.31
L1-004	计算摄氏温度	5	24244	74781	0.32
L1-005	考试座位号	15	15518	50428	0.31
L1-006	连续因子	20	11949	52172	0.23
L1-007	念数字	10	16522	52075	0.32
L1-008	求整数段和	10	15060	66897	0.23
L1-009	N个数求和	20	9638	60667	0.16
L1-010	比较大小	10	15540	38538	0.40
L1-011	A-B	20	11898	47991	0.25
L1-012	计算指数	5	16607	47310	0.35
L1-013	计算阶乘和	10	14480	27237	0.53
L1-014	简单题	5	16854	24068	0.70
L1-015	跟奥巴马一起画方块	15	12927	34714	0.37
L1-016	查验身份证	15	9851	31292	0.31
L1-017	到底有多二	15	10480	38120	0.27
L1-018	大笨钟	10	11624	37516	0.31
L1-019	谁先倒	15	8846	29343	0.30
L1-020	帅到没朋友	20	8467	43250	0.20
L1-021	重要的话说三遍	5	14685	24193	0.61
L1-022	奇偶分家	10	11361	21585	0.53
L1-023	输出GPLT	20	8285	22037	0.38
L1-024	后天	5	12956	29766	0.44
L1-025	正整数A+B	15	7430	44383	0.17
L1-026	I Love GPLT	5	12588	31065	0.41
L1-027	出租	20	6968	14624	0.48
L1-028	判断素数	10	11228	60552	0.19
L1-029	是不是太胖了	5	11830	24762	0.48
L1-030	一帮一	15	7967	17498	0.46
L1-031	到底是不是太胖了	10	9399	34391	0.27
L1-032	Left-pad	20	7210	23280	0.31
L1-033	出生年	15	6747	15249	0.44
L1-034	点赞	20	6337	13197	0.48
L1-035	情人节	15	7044	18644	0.38
L1-036	A乘以B	5	11514	18152	0.63
L1-037	A除以B	10	9116	25169	0.36
L1-038	新世界	5	10515	14596	0.72
L1-039	古风排版	20	6973	28987	0.24
L1-040	最佳情侣身高差	10	8786	20637	0.43
L1-041	寻找250	10	8703	20301	0.43
L1-042	日期格式化	5	9734	21954	0.44
L1-043	阅览室	20	5046	23234	0.22
L1-044	稳赢	15	6085	20215	0.30
L1-045	宇宙无敌大招呼	5	9944	20542	0.48
L1-046	整除光棍	20	5555	14929	0.37
L1-047	装睡	10	7819	15067	0.52
L1-048	矩阵A乘以B	15	5523	17281	0.32
L1-049	天梯赛座位分配	20	4474	15545	0.29
L1-050	倒数第N个字符串	15	5678	13331	0.43
L1-051	打折	5	9542	19821	0.48
L1-052	2018我们要赢	5	9616	14118	0.68
L1-053	电子汪	10	7799	12047	0.65
L1-054	福到了	15	5655	17179	0.33
L1-055	谁是赢家	10	6763	18026	0.38
L1-056	猜数字	20	6204	19732	0.31
L1-057	PTA使我精神焕发	5	6543	8880	0.74
L1-058	6翻了	15	4275	12787	0.33
L1-059	敲笨钟	20	3528	11196	0.32
L1-060	心理阴影面积	5	5290	10713	0.49
L1-061	新胖子公式	10	4378	10038	0.44
L1-062	幸运彩票	15	3687	8192	0.45
L1-063	吃鱼还是吃肉	10	4108	10967	0.37
L1-064	估值一亿的AI核心代码	20	2561	15261	0.17

L1-AC代码

L1-001

#include<bits/stdc++.h>
using namespace std;
int main(){
    cout<<"Hello World!";
    return 0;
}

L1-002

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;  char ch;
    cin>>n>>ch;
    int h = sqrt((n+1)/2);
    for(int i = h; i >= 1; i--){
        for(int j = 1; j <= h-i; j++)cout<<" ";
        for(int j = 1; j <= 2*i-1; j++)cout<<ch;
        cout<<"\n";
    }
    for(int i = 2; i <= h; i++){
        for(int j = 1; j <= h-i; j++)cout<<" ";
        for(int j = 1; j <= 2*i-1; j++)cout<<ch;
        cout<<"\n";
    }
    cout<<n+1-2*h*h<<endl;
    return 0;
}

L1-003

#include<bits/stdc++.h>
using namespace std;
int a[110];
int main(){
    string s;  cin>>s;
    for(int i = 0; i < s.size(); i++){
        a[s[i]-'0']++;
    }
    for(int i = 0; i <= 9; i++){
        if(a[i]){
            cout<<i<<":"<<a[i]<<"\n";
        }
    }
    return 0;
}

L1-004

#include<bits/stdc++.h>
using namespace std;
int main(){
    int f, c;
    cin>>f;
    c = 5*(f-32)/9;
    cout<<"Celsius = "<<c<<endl;
    return 0;
}

L1-005

#include<bits/stdc++.h>
using namespace std;
const int maxn = 1100;
string ha[maxn]; int  ha2[maxn];
int main(){
    int n;  cin>>n;
    for(int i = 1; i <= n; i++){
        string a; int b, c;
        cin>>a>>b>>c;
        ha[b] = a;
        ha2[b] = c;
    }
    int q;  cin>>q;
    for(int i = 1; i <= q; i++){
        int x;  cin>>x;
        cout<<ha[x]<<" "<<ha2[x]<<"\n";
    }
    return 0;
}

L1-006

#include<iostream>
#include<cmath>
using namespace std;
int main(){
    int n;  cin>>n;
    int star=0, len=0;
    int t = sqrt(n)+1;
    for(int i = 2; i <= t; i++){
        int tmp = 1, j;
        for(j = i; j <= t; j++){
            tmp *= j;
            if(n%tmp != 0)break;
        }
        if(j-i>len){
            star = i;
            len = j-i;
        }
    }
    if(star == 0){
        cout<<1<<endl;
        cout<<n<<endl;
    }else{
        cout<<len<<endl;
        for(int i = 0; i < len-1; i++)
            cout<<star+i<<"*";
        cout<<star+len-1;
    }
    return 0;
}

L1-007

#include<bits/stdc++.h>
using namespace std;
string s[11] = {"ling","yi","er","san","si","wu","liu","qi","ba","jiu"};
int main(){
    string a;  cin>>a;
    for(int i = 0; i < a.size(); i++){
        if(i!=0)cout<<" ";
        if(a[i]=='-'){
            cout<<"fu";
            continue;
        }
        cout<<s[a[i]-'0'];
    }
    return 0;
}

L1-008

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a, b;
    cin>>a>>b;
    int cnt = 0, sum = 0;
    for(int i = a; i <= b; i++){
        printf("%5d",i);
        sum += i;
        cnt++;
        if(cnt%5==0){
            cout<<"\n";
        }
    }
    if(cnt%5!=0)cout<<"\n";
    cout<<"Sum = "<<sum<<"\n";
    return 0;
}

L1-009

#include<bits/stdc++.h>
using namespace std;
int gcd(int a, int b){return !b?a:gcd(b,a%b);}
int main(){
    int n;  cin>>n;
    int a, b, c=0, d=1;
    for(int i = 1; i <= n; i++){
        cin>>a; cin.get(); cin>>b;
        c = c*b+a*d;
        d *= b;
        int g = abs(gcd(c,d));
        c /= g;
        d /= g;
    }
    if(c==0){ cout<<"0\n"; return 0;}
    if(c<0){cout<<"-";c=-c;}
    if(c<d){printf("%d/%d",c,d);return 0;}
    if(c==d){cout<<"1";return 0;}
    if(c>d)cout<<(c/d);
    if(c%d!=0)printf(" %d/%d",c%d,d);
    return 0;
}

L1-010

#include<bits/stdc++.h>
using namespace std;
int a[5];
int main(){
    cin>>a[1]>>a[2]>>a[3];
    sort(a+1,a+4);
    cout<<a[1]<<"->"<<a[2]<<"->"<<a[3]<<endl;
    return 0;
}

L1-011

#include<bits/stdc++.h>
using namespace std;
int main(){
    string a, b;
    getline(cin,a);
    getline(cin,b);
    for(int i = 0; i < a.size(); i++){
        if(b.find(a[i])!=string::npos)continue;
        cout<<a[i];
    }
    return 0;
}

L1-012

#include<bits/stdc++.h>
using namespace std;
int main(){
    long long n;  cin>>n;
    printf("2^%lld = %lld\n",n,(1<<n));
    return 0;
}

L1-013

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;  cin>>n;
    int sum = 0;
    for(int i = 1; i <= n; i++){
        int t = 1;
        for(int j = 1; j <= i; j++){
            t *= j;
        }
        sum += t;
    }
    cout<<sum<<endl;
    return 0;
}

L1-014

#include<bits/stdc++.h>
using namespace std;
int main(){
    cout<<"This is a simple problem.";
    return 0;
}

L1-015

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;  cin>>n;
    int m = n*10/2;
    if(m%10>=5)m=m/10+1;
    else m = m/10;
    char ch;  cin>>ch;
    for(int i = 1; i <= m; i++){
        for(int j = 1; j <= n; j++)
            putchar(ch);
        putchar('\n');
    }
    return 0;
}

L1-016

#include<bits/stdc++.h>
using namespace std;

int pows[] = {7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2};
string m = "10X98765432";

int main(){
    int n;  cin>>n;
    int ok = 1;
    for(int i = 1; i <= n; i++){
        string s;  cin>>s;
        int z = 0;
        for(int j = 0; j < 17; j++)
            z += (s[j]-'0')*pows[j];
        z %= 11;
        if(s[17]!=m[z]){
            cout<<s<<endl;
            ok = 0;
        }
    }
    if(ok)cout<<"All passed\n";
    return 0;
}

L1-017

#include<bits/stdc++.h>
using namespace std;

int main(){
    string s;  cin>>s;
    
    double bt = 1;
    if(s[0]=='-'){bt *= 1.5; s=s.substr(1);}
    if(s[s.size()-1]%2==0)bt *= 2;
    
    int cnt = 0;
    for(int i = 0; i < s.size(); i++)
        if(s[i]=='2')cnt++;
    
    printf("%.2lf%\n",cnt*100.0/s.size()*bt);
    return 0;
}

L1-018

#include<bits/stdc++.h>
using namespace std;

int main(){
    int a, b; char ch;
    cin>>a>>ch>>b;
    if(a>=0 && a<12 || a==12&&b==0){
        printf("Only %02d:%02d.  Too early to Dang.",a,b);
        return 0;
    }
    int cc = a-12;
    if(b>0)cc++;
    for(int i = 1; i <= cc; i++)
        cout<<"Dang";
    return 0;
}

L1-019

#include<bits/stdc++.h>
using namespace std;

int main(){
    int A, B, n;
    cin>>A>>B>>n;
    int AA = A, BB = B;
    for(int i = 1; i <= n; i++){
        int a, b, c, d;
        cin>>a>>b>>c>>d;
        int cc = 0;
        if(b==a+c)cc++;
        if(d==a+c)cc--;
        if(cc>0)A--;
        if(cc<0)B--;
        if(A<0 || B<0)break;
    }
    if(A<0)cout<<"A\n"<<BB-B;
    else cout<<"B\n"<<AA-A;
    return 0;
}

L1-020

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n;  cin>>n;
    set<string>s;
    for(int i = 1; i <= n; i++){
        int k;  cin>>k;
        string st;
        if(k>=2){
            for(int j = 0; j < k; j++){
                cin>>st;  s.insert(st);
            }
        }else{
            cin>>st;
        }
    }
    int q;  cin>>q;
    set<string>repe; int ok = 0;
    for(int i = 1; i <= q; i++){
        string st;  cin>>st;
        if(s.find(st)==s.end() && repe.find(st)==repe.end()){
            repe.insert(st);
            if(ok)cout<<" ";
            cout<<st;
            ok = 1;
        }
    }
    if(!ok)cout<<"No one is handsome\n";
    return 0;
}

L1-021

#include<bits/stdc++.h>
using namespace std;

int main(){
    for(int i = 1; i <= 3; i++)
        printf("I'm gonna WIN!\n");
    
    return 0;
}

L1-022

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n;  cin>>n;
    int cnt = 0;
    for(int i = 1; i <= n; i++){
        int x;  cin>>x;
        if(x%2==1)cnt++;
    }
    cout<<cnt<<" "<<n-cnt<<endl;
    return 0;
}

L1-023

#include<bits/stdc++.h>
using namespace std;
int a[110];
int main(){
    string s;  cin>>s;
    for(int i = 0; i < s.size(); i++){
        if(islower(s[i]))s[i] = s[i]-('a'-'A');
        a[s[i]-'A']++;
    }
    while(a['G'-'A'] || a['P'-'A'] || a['L'-'A'] || a['T'-'A']){
        if(a['G'-'A']){cout<<"G";a['G'-'A']--;}
        if(a['P'-'A']){cout<<"P";a['P'-'A']--;}
        if(a['L'-'A']){cout<<"L";a['L'-'A']--;}
        if(a['T'-'A']){cout<<"T";a['T'-'A']--;}
    }
    return 0;
}

L1-024

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n;  cin>>n;
    cout<<(n+1)%7+1;
    return 0;
}

L1-025

#include<bits/stdc++.h>
using namespace std;

int main(){
    string s;  getline(cin,s);
    string a = s.substr(0,s.find(' '));
    string b = s.substr(s.find(' ')+1);
    int aa=-1, bb=-1;
    int ok = 1;
    for(int i = 0; i < a.size(); i++)
        if(!isdigit(a[i]))ok = 0;
    if(ok && stoi(a)>=1 && stoi(a)<=1000)aa = stoi(a);
    ok = 1;
    for(int i = 0; i < b.size(); i++)
        if(!isdigit(b[i]))ok = 0;
    if(ok && stoi(b)>=1 && stoi(b)<=1000)bb = stoi(b);
    if(aa!=-1)cout<<aa;else cout<<"?";
    cout<<" + ";
    if(bb!=-1)cout<<bb;else cout<<"?";
    cout<<" = ";
    if(aa!=-1&&bb!=-1)cout<<aa+bb;
    else cout<<"?";
    return 0;
}

L1-026

#include<bits/stdc++.h>
using namespace std;

int main(){
    string s = "I Love GPLT";
    for(int i = 0; i < s.size(); i++){
        cout<<s[i]<<"\n";
    }
    return 0;
}

L1-027

#include<bits/stdc++.h>
using namespace std;

int a[11];
int main(){
    string s;  cin>>s;
    for(int i = 0; i < s.size(); i++)
        a[s[i]-'0']++;
    cout<<"int[] arr = new int[]{";
    int ok = 0; vector<int>vec;
    for(int i = 9; i >= 0; i--){
        if(a[i]){
            if(ok)cout<<",";
            cout<<i;
            ok = 1;
            vec.push_back(i);
        }
    }
    cout<<"};\n";
    cout<<"int[] index = new int[]{";
    for(int i = 0; i < s.size(); i++){
        if(i!=0)cout<<",";
        cout<<find(vec.begin(),vec.end(),s[i]-'0')-vec.begin();
    }
    cout<<"};\n";
    return 0;
}

L1-028

#include<bits/stdc++.h>
using namespace std;

int main(){
    int T;  cin>>T;
    while(T--){
        int n;  cin>>n;
        int prime = 1;
        if(n==1)prime = 0;
        for(int i = 2; i <= sqrt(n); i++){
            if(n%i==0){
                prime = 0;
                break;
            }
        }
        if(prime)cout<<"Yes\n";
        else cout<<"No\n";
    }
    return 0;
}

L1-029

#include<bits/stdc++.h>
using namespace std;

int main(){
    int h;  cin>>h;
    printf("%.1f",(h-100)*0.9*2.0);
    return 0;
}

L1-030

#include<bits/stdc++.h>
using namespace std;
const int maxn = 55;
int main(){
    int n;  cin>>n;
    string nm[maxn]; int sex[maxn], vis[maxn];
    memset(vis,0,sizeof(vis));
    for(int i = 1; i <= n; i++){
        int x;  cin>>x;  sex[i] = x;
        string s;  cin>>s;  nm[i] = s;
    }
    for(int i = 1; i <= n; i++){
        if(!vis[i]){
            for(int j = n; j >= 1; j--){
                if(!vis[j] && sex[i]!=sex[j]){
                    cout<<nm[i]<<" "<<nm[j]<<"\n";
                    vis[i] = vis[j] = 1;
                    break;
                }
            }
        }
    }
    return 0;
}

L1-031

#include<bits/stdc++.h>
using namespace std;
const int maxn = 55;
int main(){
    int T;  cin>>T;
    while(T--){
        double h, w; cin>>h>>w;
        double s = (h-100)*0.9*2.0;
        if(abs(s-w)<s*0.1){
            cout<<"You are wan mei!\n";
            continue;
        }
        if(w>s)
            cout<<"You are tai pang le!\n";
        else 
            cout<<"You are tai shou le!\n";
    }
    return 0;
}

L1-032

#include<bits/stdc++.h>
using namespace std;
const int maxn = 55;
int main(){
    int T;  cin>>T;
    while(T--){
        double h, w; cin>>h>>w;
        double s = (h-100)*0.9*2.0;
        if(abs(s-w)<s*0.1){
            cout<<"You are wan mei!\n";
            continue;
        }
        if(w>s)
            cout<<"You are tai pang le!\n";
        else 
            cout<<"You are tai shou le!\n";
    }
    return 0;
}

L1-033

#include<bits/stdc++.h>
using namespace std;
const int maxn = 55;
int main(){
    int x, n, y;
    cin>>x>>n;
    int xx = x;
    while(1){
        set<int>se;
        int t = x;
        for(int i = 0; i < 4; i++){
            se.insert(t%10);
            t /= 10;
        }
        if(se.size()==n){
            y = x;
            break;
        }
        x++;
    }
    printf("%d %04d",y-xx,y);
    return 0;
}

L1-034

#include<bits/stdc++.h>
using namespace std;
const int maxn = 1010;
int a[maxn];
int main(){
    int n;  cin>>n;
    for(int i = 1; i <= n; i++){
        int k;  cin>>k;
        for(int j = 1; j <= k; j++){
            int x;  cin>>x;  a[x]++;
        }
    }
    int mx = -1e9, cc;
    for(int i = 0; i <= maxn; i++){
        if(a[i]>=mx){
            mx = a[i];
            cc = i;
        }
    }
    cout<<cc<<" "<<mx;
    return 0;
}

L1-035

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    string a="", b="";
    for(int i = 1; i <= 14; i++){
        string x;  cin>>x;
        if(x==".")break;
        if(i==2)a = x;
        if(i==14)b = x;
    }
    if(a!=""&&b!="")
        cout<<a<<" and "<<b<<" are inviting you to dinner...\n";
    else if(a!=""&&b=="")
        cout<<a<<" is the only one for you...\n";
    else 
        cout<<"Momo... No one is for you ...\n";
    return 0;
}

L1-036

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    int a, b;
    cin>>a>>b;
    cout<<a*b;
    return 0;
}

L1-037

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    int a, b;  cin>>a>>b;
    if(b>0){
        printf("%d/%d=%.2f\n",a,b,a*1.0/b);
    }else if(b==0){
        printf("%d/0=Error\n",a);
    }else{
        printf("%d/(%d)=%.2f",a,b,a*1.0/b);
    }
    return 0;
}

L1-038

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    cout<<"Hello World\n";
    cout<<"Hello New World\n";
    return 0;
}

L1-039

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    int n;   cin>>n;  cin.get();
    string s;  getline(cin,s);
    //cout<<s<<endl;
    int x;
    if(s.size()%n==0)x = s.size()/n;
    else x = s.size()/n+1;
    string ans[1000];
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= x; j++){
            ans[i][j] = ' ';
        }
    }
    int cc = 0;
    for(int i = x; i >= 1; i--){
        for(int j = 1; j <= n; j++){
            if(cc>=s.size())break;
            ans[j][i] = s[cc++];
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= x; j++){
            cout<<ans[i][j];
        }
        cout<<"\n";
    }
    return 0;
}

L1-040

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    int T;  cin>>T;
    while(T--){
        char a; double b;
        cin>>a>>b;
        //cout<<a<<" "<<b<<endl;
        if(a=='M')printf("%.2lf\n",b/1.09);
        else printf("%.2lf\n",b*1.09);
    }
    return 0;
}

L1-041

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int main(){
    int x, i; 
    for(i = 1; x!=250; i++)
        cin>>x;
    cout<<i-1;
    return 0;
}

L1-042

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a, b, c;
    scanf("%d-%d-%d",&a,&b,&c);
    printf("%04d-%02d-%02d\n",c,a,b);
    return 0;
}

L1-043

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1010;
struct node{int s=-1, t=-1, ti=0;}book[maxn];
int main(){
    int n;  cin>>n;
    for(int i = 1; i <= n; i++){
        int x; char op; int hh, mm;
        int ans = 0, cnt = 0;
        while(scanf("%d %c %d:%d",&x,&op,&hh,&mm) &&x){
            //cout<<x<<" "<<op<<" "<<hh<<" "<<mm<<"\n";
            if(op=='S'){
                book[x].s = hh*60+mm;
            }else if(book[x].s!=-1){
                book[x].t = hh*60+mm;
                ans += book[x].t-book[x].s;
                book[x].s = -1; //WA1,3又还了一次
                cnt++;
            }
        }
        if(ans!=0)printf("%d %d\n",cnt,(int)(ans*1.0/cnt+0.5));
        else printf("0 0\n");
    }
    return 0;
}

L1-044

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1010;
map<string, string>ma;
int main(){
    ma["ChuiZi"] = "Bu";
    ma["JianDao"] = "ChuiZi";
    ma["Bu"] = "JianDao";
    //freopen("input.txt","r",stdin);
    int k;  cin>>k;
    string s; int cnt = 0;
    while(cin>>s&&s!="End"){
        if(cnt==k){
            cout<<s<<"\n";
            cnt = 0;
        }else{
            cout<<ma[s]<<"\n";
            cnt++;
        }
    }
    return 0;
}

L1-045

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1010;
int main(){
    string s;  cin>>s;
    cout<<"Hello "<<s;
    return 0;
}

L1-046

//每次余数末位添1去运算，就不用写高精除法和取模了
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1010;
int main(){
    int x, s = 0, n = 0;
    cin>>x;
    while(s<x){s=s*10+1;n++;}
    while(1){
        cout<<s/x;
        s %= x;//被除数更新为余数
        if(s==0)break;
        s = s*10+1;//余数加1位
        n++;
    }
    cout<<" "<<n;
    return 0;
}

L1-047

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1010;
int main(){
    int n;  cin>>n;
    for(int i = 1; i <= n; i++){
        string nm;  int huxi, maibo;
        cin>>nm>>huxi>>maibo;
        if(huxi<15||huxi>20||maibo<50||maibo>70){
            cout<<nm<<"\n";
        }
    }
    return 0;
}

L1-048

//乘积C的第m行第n列的元素等于矩阵A的第m行的元素与矩阵B的第n列对应元素乘积之和
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1010;
int a[maxn][maxn], b[maxn][maxn];
int main(){
    int Ra, Ca, Rb, Cb;
    cin>>Ra>>Ca;
    for(int i = 1; i <= Ra; i++)
        for(int j =1; j <= Ca ;j++)
            cin>>a[i][j];
    cin>>Rb>>Cb;
    for(int i = 1; i <= Rb; i++)
        for(int j =1; j<=Cb; j++)
            cin>>b[i][j];
    if(Ca!=Rb)cout<<"Error: "<<Ca<<" != "<<Rb<<"\n";
    else{
        cout<<Ra<<" "<<Cb<<"\n";
        for(int i = 1; i <= Ra; i++){
            for(int j = 1; j <= Cb; j++){
                int sum = 0;
                for(int k = 1; k <= Ca; k++)
                    sum += a[i][k]*b[k][j];
                if(j!=1)cout<<" ";
                cout<<sum;
            }
            cout<<"\n";
        }
    }
    return 0;
}

L1-049

#include<bits/stdc++.h>
using namespace std;
const int maxn = 110;
int n, m[maxn], seat[maxn*maxn];
vector<int>id[maxn];
int main(){
    cin>>n;
    for(int i = 1; i <= n; i++)
        cin>>m[i];
    int cnt = 1;
    while(1){
        int ok = 1;
        for(int i = 1; i <= n; i++){
            if(id[i].size()>=m[i]*10)continue;
            if(seat[cnt-1]!=i){
                seat[cnt] = i;
                id[i].push_back(cnt);
                cnt++;
            }else{
                seat[cnt+1] = i;
                id[i].push_back(cnt+1);
                cnt+=2;
            }
            ok = 0;
        }
        if(ok)break;
    }
    for(int i = 1; i <= n; i++){
        cout<<"#"<<i<<endl;
        for(int j = 0; j < id[i].size(); j++){
            if(j!=0 && j%10!=0)cout<<" ";
            if(j!=0 && j%10==0)cout<<"\n";
            cout<<id[i][j];
        }
        cout<<"\n";
    }
    return 0;
}

L1-050

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;

int main(){
    int L, n;  cin>>L>>n;
    n = pow(26,L)-n;
    //26进制转10进制
    vector<int>v;
    while(n){
        v.push_back(n%26);
        n /= 26;
    }
    //位数不够补0（a）
    for(int i = 0; i < L-v.size(); i++)
        cout<<'a';
    for(int i = v.size()-1; i >= 0; i--)
        cout<<(char)('a'+v[i]);
    return 0;
}

L1-051

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;

int main(){
    int n, x;
    cin>>n>>x;
    double ans = n*1.0*x/10.0;
    printf("%.2lf",ans);
    return 0;
}

L1-052

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;

int main(){
    cout<<"2018\nwo3 men2 yao4 ying2 !\n";
    return 0;
}

L1-053

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;

int main(){
    int a, b;
    cin>>a>>b;
    for(int i = 1; i <= a+b; i++)
        cout<<"Wang!";
    
    return 0;
}

L1-054

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;

int main(){
    int n; char ch;
    cin>>ch>>n;  cin.get();
    vector<string>v1,v2;
    for(int i = 1; i <= n; i++){
        string tmp;  getline(cin,tmp);
        v1.push_back(tmp);
        reverse(tmp.begin(),tmp.end());
        v2.push_back(tmp);
    }
    reverse(v2.begin(),v2.end());
    int ok = 1;
    for(int i = 0; i < v1.size(); i++)
        if(v1[i]!=v2[i])ok = 0;
    if(ok)cout<<"bu yong dao le\n";
    for(int i = 0; i < v2.size(); i++){
        for(int j = 0; j < v2[i].size(); j++){
            if(v2[i][j]=='@')cout<<ch;
            else cout<<" ";
        }
        cout<<"\n";
    }
    return 0;
}

L1-055

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;

int main(){
    int pa, pb, x1, x2, x3;
    cin>>pa>>pb>>x1>>x2>>x3;
    int a = x1+x2+x3, b = 3-a;
    if((pa>pb&&b>=1) || (pa<pb&&b==3)){
        cout<<"The winner is a: "<<pa<<" + "<<b<<"\n";
    }else{
        cout<<"The winner is b: "<<pb<<" + "<<a<<"\n";
    }
    return 0;
}

L1-056

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 1e6+10;
struct node{string name; int num; }a[maxn];
int main(){
    int n;  cin>>n;
    int sum = 0;
    for(int i = 1; i <= n; i++){
        cin>>a[i].name>>a[i].num;
        sum += a[i].num;
    }
    int avg = (sum/n)/2, mi = 1e9+10, t;
    for(int i = 1; i <= n; i++){
        if(abs(avg-a[i].num)<mi){
            mi = abs(avg-a[i].num);
            t = i;
        }
    }
    cout<<avg<<" "<<a[t].name<<"\n";
    return 0;
}

L1-057

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    cout<<"PTA shi3 wo3 jing1 shen2 huan4 fa1 !\n";
    return 0;
}

L1-058

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int maxn = 3e5+10;

int main(){
    string s;  getline(cin,s);
    for(int i = 0; i < s.size(); i++){
        if(s[i]!='6')cout<<s[i];
        else{
            int cc = i;
            while(s[cc]=='6' && cc<s.size())cc++;
            if(cc-i>9)cout<<"27";
            else if(cc-i>3)cout<<"9";
            else cout<<s.substr(i,cc-i);
            i = cc-1;
        }
    }
    return 0;
}

L1-059

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

int main(){
    int n;  cin>>n;  cin.get();
    for(int i = 1; i <= n; i++){
        string s;  getline(cin,s);
        if(s.find("ong,")==string::npos||s.find("ong.")==string::npos){
            cout<<"Skipped\n";
            continue;
        }
        int d = s.find(','), ju = s.find('.');
        if(s.substr(d-3,3)!="ong" || s.substr(ju-3,3)!="ong")
            cout<<"Skipped\n";
        else{
            int jj = ju, cc = 0;
            while(cc<3 && jj>=0)if(s[jj--]==' ')cc++;
            cout<<s.substr(0,jj+1)<<" qiao ben zhong.\n";
        }
    }
    return 0;
}

L1-060

#include <bits/stdc++.h>
using namespace std;
int main(){
    int x, y;  cin>>x>>y;
    printf("%d",100*100/2-100*(100-x)/2-100*y/2);
    return 0;
}

L1-061

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

int main(){
    double x, y;
    cin>>x>>y;
    double z = x/y/y;
    printf("%.1lf\n",z);
    if(z>25.0){
        cout<<"PANG\n";
    }else{
        cout<<"Hai Xing\n";
    }
    return 0;
}

L1-062

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

int main(){
    int n;  cin>>n;
    for(int i = 1; i <= n; i++){
        string s;  cin>>s;
        int a = 0, b = 0;
        for(int j = 0; j < 3; j++)a+=s[j]-'0';
        for(int j = 3; j < 6; j++)b+=s[j]-'0';
        if(a==b){
            cout<<"You are lucky!\n";
        }else{
            cout<<"Wish you good luck.\n";
        }
    }
    return 0;
}

L1-063

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

int main(){
    int n;  cin>>n;
    for(int i = 1; i <= n; i++){
        int sx, hei, wei;
        cin>>sx>>hei>>wei;
        if(sx==1){
            if(hei==130)cout<<"wan mei! ";
            else if(hei<130)cout<<"duo chi yu! ";
            else cout<<"ni li hai! ";
            
            if(wei==27)cout<<"wan mei!\n";
            else if(wei<27)cout<<"duo chi rou!\n";
            else cout<<"shao chi rou!\n";
        }else{
            if(hei==129)cout<<"wan mei! ";
            else if(hei<129)cout<<"duo chi yu! ";
            else cout<<"ni li hai! ";
            
            if(wei==25)cout<<"wan mei!\n";
            else if(wei<25)cout<<"duo chi rou!\n";
            else cout<<"shao chi rou!\n";
        }
    }
    return 0;
}

L1-064

//大小写直接扫一遍处理。符号前面加空格当单词特判。空格用string流重新读一遍处理掉。
#include<bits/stdc++.h>
using namespace std;
int main(){
    //freopen("input.txt","w",stdout);
    int n=-1;  cin>>n;   cin.get();
    for(int i = 1; i <= n; i++){
        string s;  getline(cin,s);
        cout<<s<<endl<<"AI:";
        
        for(int j = 0; j < s.size(); j++){
            if(isalnum(s[j]) && s[j]!='I')
                s[j] = tolower(s[j]);
            else if(!isalnum(s[j]))//符号前面加空格分隔
                s.insert(j," "),j++;
            if(s[j]=='?')
                s[j] = '!';
        }
        
        string ans[1010];
        int cnt = 0;
        stringstream ss(s);
        while(ss>>s)ans[cnt++] = s;
        
        if(!isalnum(ans[0][0]))//RE or PE
            cout<<" ";
        for(int j = 0; j < cnt; j++){
            if(!isalnum(ans[j][0]))
                cout<<ans[j];//除了第一个，符号前不加空格
            else if(ans[j]=="can"&&ans[j+1]=="you"){
                cout<<" I can"; j++;
            }else if(ans[j]=="could"&&ans[j+1]=="you"){
                cout<<" I could"; j++;
            }else if(ans[j]=="I" || ans[j]=="me"){
                cout<<" you";
            }else {
                cout<<" "<<ans[j];
            }
        }
        cout<<"\n";
        
    }
    return 0;
}

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【CCCC】PAT : 团体程序设计天梯赛-练习集 L1 答案

【CCCC】PAT : 团体程序设计天梯赛-练习集 L1 答案

L1-AC代码

L1-001

L1-002

L1-003

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L1-053

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