题解 | #牛牛的平面向量#
牛牛的平面向量
https://www.nowcoder.com/practice/0e0d472d6a30469ab90d8b0aef7f81fe
#include <iostream>
using namespace std;
int main() {
int num;
cin >> num;
int TwoArr[num][2];
int sum[2] = {0};
for(int i = 0; i < num ; i++){
cin >> TwoArr[i][0];
cin >> TwoArr[i][1];
sum[0] += TwoArr[i][0];
sum[1] += TwoArr[i][1];
}
cout << sum[0] << " " << sum[1];
return 0;
}
