文章目录
- AcWing 746. 数组的左下半部分
- AC代码
AcWing 746. 数组的左下半部分
本题链接:AcWing 746. 数组的左下半部分
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AC代码
代码:
#include <iostream> #include <cstdio> using namespace std; int main() { char t; cin >> t; double q[12][12]; for (int i = 0; i < 12; i ++ ) for (int j = 0; j < 12; j ++ ) cin >> q[i][j]; double s = 0, c = 0; for (int i = 0; i < 12; i ++ ) for (int j = 0; j <= i - 1; j ++ ) { s += q[i][j]; c += 1; } if (t == 'S') printf("%.1lf\n", s); else printf("%.1lf\n", s / c); return 0; }