360，京东，在线编程题

题目：

讨论帖：

点击打开链接

int main()
{
switch (getchar() - '0')
{
case 2: puts("3"); break;
case 3: puts("25"); break;
case 4: puts("253"); break;
case 5: puts("3121"); break;
case 6: puts("46651"); break;
case 7: puts("823537"); break;
case 8: puts("16777209"); break;
}

#include <stdio.h>
#include <math.h>
size_t apple(size_t b)
{
    return b>0?pow(b,b)-(b-1):0;
}
int main()
{
    printf("%d\n",apple(8));
    return 0;
}

void apple(short bear, short apple_sum, short count){
	if(count == bear){
		return;
	}
	apple_sum += pow(count,count) - count + 1;
	count++;
	apple(bear, apple_sum, count);
}

2.

讨论帖子：

http://bbs.csdn.net/topics/391830032

void print(vector<char>& vData)
{
vector<char>::iterator it = vData.begin();
for(; it != vData.end(); it++)
{
if(*it == '0' || *it == '2' || *it == '3' || *it == '5' || *it == '6' 
|| *it == '7' || *it == '8' || *it == '9')
{
cout<<" - ";
}
else if(*it == '*')
{
cout<<" ";
}
else
{
cout<<"   ";
}
}
cout<<endl;
for(it = vData.begin(); it != vData.end(); it++)
{
if(*it == '0' || *it == '4' || *it == '8' || *it == '9')
{
cout<<"| |";
}
else if(*it == '5' || *it == '6')
{
cout<<"|  ";
}
else if(*it == '*')
{
cout<<" ";
}
else
{
cout<<"  |";
}
}
cout<<endl;
for(it = vData.begin(); it != vData.end(); it++)
{
if(*it == '0' || *it == '1' || *it == '7')
{
cout<<"   ";
}
else if(*it == '*')
{
cout<<"*";
}
else
{
cout<<" - ";
}
}
cout<<endl;
for(it = vData.begin(); it != vData.end(); it++)
{
if(*it == '0' || *it == '6' || *it == '8')
{
cout<<"| |";
}
else if(*it == '2')
{
cout<<"|  ";
}
else if(*it == '*')
{
cout<<" ";
}
else
{
cout<<"  |";
}
}
cout<<endl;
for(it = vData.begin(); it != vData.end(); it++)
{
if(*it == '0' || *it == '2' || *it == '3' || *it == '5' || *it == '6' 
|| *it == '8' || *it == '9')
{
cout<<" _ ";
}
else if(*it == '*')
{
cout<<" ";
}
else
{
cout<<"   ";
}
}
cout<<endl;
}

int main()
{
int n, i, k;
while(cin>>n)
{
i = 2;
if(n < 2)
continue;
vector<int> vData;
while(n >= i)
{
if(n % i == 0)
{
n = n / i;
vData.push_back(i);
}
else
{
i++;
}
}

vector<char> vRes;
int vDataSize = vData.size();
for(k = 0; k < vDataSize; k++)
{
stack<int> temp;
while(vData[k] > 0)
{
int value = vData[k] % 10;
temp.push(value);
vData[k] /= 10;
}
while(!temp.empty())
{
vRes.push_back(temp.top() + 48);
temp.pop();
}
vRes.push_back('*');
}
if(!vRes.empty())
{
vRes.pop_back();
}

print(vRes);
}
return 0;
}