注意范围

#include<stdio.h>
int main()
{
    long long int a,b,t;
    scanf("%lld",&t);
    while(t--){
        scanf("%lld%lld",&a,&b);
        if(a==0&&b==0){
            printf("1\n");
        }else if(a==0&&b!=0){
            printf("1\n");
        }else{
            printf("%lld\n",a+2*b+1);
        }
    }
    return 0;
}

思维题

#include <iostream>
using namespace std;
int main(){
	int t; 
	cin >> t;
	while(t--){
		int a,b;
		cin >> a >> b;
		if(a == 0 && b == 0){
			cout << 1 << endl;
		}else if(a == 0 && b != 0){
			cout << 1 << endl;
		}else{
			cout << a + 2 * b + 1 << endl;
		}		
	}
}