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)