HDU——1089~1095 A+B for Input-Output Practice

Topic meaning:

Calculate the sum of A+B or an array, suitable for practicing different input and output formats.

1089 code:

#include<cstdio>
using namespace std;

int main(){
    int a , b;
    while(scanf("%d %d", &a , &b) != EOF){
        printf("%d\n" , a+b);
    }
    return 0;
}

1090 code:

#include<cstdio>
using namespace std;

int main(){
    int t ,a , b;
    scanf("%d",&t);
    while( t -- ){
        scanf("%d %d", &a , &b);
        printf("%d\n" , a+b);
    }
    return 0;
}

1091 code:

#include<cstdio>
using namespace std;

int main(){
    int a , b;
    while(scanf("%d %d", &a , &b)){
        if(a == 0 && b ==0)
            break;
        printf("%d\n" , a+b);
    }
    return 0;
}

1092 code:

#include<cstdio>
using namespace std;

int main(){
    int n , temp , i ;
    while(scanf("%d", &n) && n != 0){
        int sum = 0;
        for(i = 0 ; i < n ; i ++){
            scanf("%d",&temp);
            sum = sum + temp;
        }
        printf("%d\n" , sum);
    }
    return 0;
}

1093 code:

#include<cstdio>
using namespace std;

int main(){
    int t , n , temp , i ;
    scanf("%d",&t);
    while(t --){
        scanf("%d", &n);
        int sum = 0;
        for(i = 0 ; i < n ; i ++){
            scanf("%d",&temp);
            sum = sum + temp;
        }
        printf("%d\n" , sum);
    }
    return 0;
}

1094 code:

#include<cstdio>
using namespace std;

int main(){
    int n , temp , i ;
    while(scanf("%d", &n) != EOF){
        int sum = 0;
        for(i = 0 ; i < n ; i ++){
            scanf("%d",&temp);
            sum = sum + temp;
        }
        printf("%d\n" , sum);
    }
    return 0;
}

1095 code:

#include<cstdio>
using namespace std;

int main(){
    int a , b;
    while(scanf("%d %d", &a , &b) != EOF){
        printf("%d\n\n" , a+b);
    }
    return 0;
}

1096 code:

#include<cstdio>
using namespace std;

int main(){
    int t , n , temp , i ;
    scanf("%d",&t);
    while(t --){
        scanf("%d", &n);
        int sum = 0;
        for(i = 0 ; i < n ; i ++){
            scanf("%d",&temp);
            sum = sum + temp;
        }
        printf("%d\n" , sum);
        if(t != 0)
            printf("\n");
    }
    return 0;
}