第十四届蓝桥杯集训——练习解题阶段(无序阶段)-ALGO-461 复杂的计算

#include <stdio.h>
int puanduanjieguo(int,int);
int main (void)
{
  int a , b ;
  scanf("%d%d",&a,&b);
  printf("%d\n",puanduanjieguo(a,b));
  return 0;
}
int puanduanjieguo(int a ,int b)
{
  if( a % 2 == 0 && b % 2 == 0 )
  {
    return a + b ; 
  }
  if( a % 2 == 0 && b % 2 != 0 )
  {
    return a * b ; 
  }
  if( a % 2 != 0 && b % 2 == 0 )
  {
    return a + b + 3 ; 
  }
  if( a % 2 != 0 && b % 2 != 0 )
  {
    return a * b + 3 ; 
  }
}

#include <iostream>
using namespace std;
int main()
{
  int a, b;
  cin >> a >> b;
  if (a % 2 == 0 && b % 2 == 0)
  {
    cout << a + b << endl;
  }
  else if (a % 2 == 0 && b % 2 != 0)
  {
    cout << a * b << endl;
  }
  else if (a % 2 != 0 && b % 2 == 0)
  {
    cout << a + b + 3 << endl;
  }
  else
  {
    cout << a * b + 3 << endl;
  }
  return 0;
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Scanner;
import java.util.StringTokenizer;
public class Main {
  // 快速输入
  static class Reader {
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer tokenizer = new StringTokenizer("");
    boolean hasNext() throws IOException {
      if (next() == null) {
        return false;
      }
      return true;
    }
    String next() throws IOException {
      while (!tokenizer.hasMoreTokens()) {
        tokenizer = new StringTokenizer(reader.readLine());
      }
      return tokenizer.nextToken();
    }
    int nextInt() throws IOException {
      return Integer.parseInt(next());
    }
    double nextDouble() throws IOException {
      return Double.parseDouble(next());
    }
  }
  static int ans=0;
  public static void main(String[] args) throws IOException {
    Reader in=new Reader();
    PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
    int a=in.nextInt();
    int b=in.nextInt();
    if(a%2==0 && b%2==0) {
      System.out.println(a+b);
    }else if(a%2==0 && b%2!=0) {
      System.out.println(a*b);
    }else if(a%2!=0 && b%2==0) {
      System.out.println(a+b+3);
    }else{
      System.out.println(a*b+3);
    }
  }
}

m,n=map(int,input().split())
if m%2==0 and n%2==0:
    sum=m+n
elif m%2==0 and n%2!=0:
    sum=m*n
elif m%2!=0 and n%2==0:
    sum=m+n+3
elif m%2!=0 and n%2!=0:
    sum=m*n+3
print(sum)