题解 | #牛牛的平面向量#

#include <stdio.h>

typedef struct xl 
{
    int x;
    int y;
}xl;
int main() 
{
    int i,n,x,y,sx=0,sy=0;
    xl xl1[10];
    scanf("%d\n",&n);
    for(i=0;i<n;i++)
    {
        scanf("%d %d\n",&xl1[i].x,&xl1[i].y);
        sx+=xl1[i].x;
        sy+=xl1[i].y;
    }
    printf("%d %d",sx,sy);
}