【杭电】[1096]A+B for Input-Output Practice (VIII)

#include<stdio.h>int main() {    int i,j,n,k,x,sum;    scanf("%d",&j);    for(i=0; i<j; i++) {        sum=0;        scanf("%d",&n);        for(k=0; k<n; k++) {            scanf("%d",&x);            sum=sum+x;        }        if(i!=0)        printf("\n");        printf("%d\n",sum);    }    return 0;}