题解 | #牛牛的平面向量#
牛牛的平面向量
https://www.nowcoder.com/practice/0e0d472d6a30469ab90d8b0aef7f81fe
#include <stdio.h>
struct vector{
int x;
int y;
};
int main() {
struct vector sum = {0, 0};
int n;
scanf("%d", &n);
for(int i = 0; i < n; i++){
int a, b;
scanf("%d %d", &a, &b);
sum.x += a;
sum.y += b;
}
printf("%d %d", sum.x, sum.y);
return 0;
}
