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> #include<malloc.h> int main() { int n; scanf("%d", &n); int** arr = malloc(n * sizeof(int) * 2); for (int i = 0; i < n; i++)arr[i] = malloc(2 * sizeof(int)); int a = 0, b = 0; for (int i = 0; i < n; i++) { scanf("%d %d", &arr[i][0], &arr[i][1]); a += arr[i][0]; b += arr[i][1]; } printf("%d %d", a, b); return 0; }#C#
0基础学C 文章被收录于专栏
0基础学C,从算法开始