输入输出知识总结

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Sample Input
1 5
10 20
Sample Output
6
30

#include<stdio.h>int main(){    int m,n;    while(2==scanf("%d%d",&m,&n))    {        printf("%d\n",m+n);    }    return 0;}

Sample Input
2
1 5
10 20
Sample Output
6
30

#include<stdio.h>int main(){    int n;    scanf("%d",&n);    while(n--)    {        int m,n;        scanf("%d%d",&m,&n);        printf("%d\n",m+n);    }    return 0;}

Sample Input
1 5
10 20
0 0
Sample Output
6
30

#include<stdio.h>int main(){    int a,b;    while(2==scanf("%d%d",&a,&b)&&(a||b))    {        printf("%d\n",a+b);    }    return 0;}

Sample Input
4 1 2 3 4
5 1 2 3 4 5
0
Sample Output
10
15

#include<stdio.h>int main(){    int N;    while(1==scanf("%d",&N)&&N)    {        int a,sum=0;        while(N--)        {            scanf("%d",&a);            sum+=a;        }        printf("%d\n",sum);    }    return 0;}

Sample Input
2
4 1 2 3 4
5 1 2 3 4 5
Sample Output
10
15

#include<stdio.h>int main(){    int N;    scanf("%d",&N);    while(N--)    {        int sum=0,m,a;        scanf("%d",&m);        while(m--)        {            scanf("%d",&a);            sum+=a;        }        printf("%d\n",sum);    }    return 0;}

Sample Input
4 1 2 3 4
5 1 2 3 4 5
Sample Output
10
15

#include<stdio.h>int main(){    int m,a;    while(1==scanf("%d",&m))    {        int sum=0;        while(m--)        {            scanf("%d",&a);            sum+=a;        }        printf("%d\n",sum);    }    return 0;}

Sample Input
1 5
10 20
Sample Output
6

30

#include<stdio.h>int main(){    int a,b;    while(2==scanf("%d%d",&a,&b))    {        printf("%d\n",a+b);        putchar('\n');    }    return 0;}

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