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> typedef struct vec { int x, y; }vec_t; int main() { int n; while (scanf("%d", &n) != EOF) { // 注意 while 处理多个 case // 64 位输出请用 printf("%lld") to int x,y; vec_t vecs[n]; for (int i = 0; i < n; i++) { scanf("%d %d", &vecs[i].x, &vecs[i].y); } for (int i = 1; i < n; i++) { vecs[0].x += vecs[i].x; vecs[0].y += vecs[i].y; } printf("%d %d", vecs[0].x, vecs[0].y); } return 0; }