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题解 | 旋转矩阵

#include <iostream> #include <vector> using namespace std; int main() { int n; bool is0 = true, is90 = true, is180 = true, is270 ...

2026-03-29

0 42

题解 | 公司发工资问题

#include <iostream> using namespace std; int sum100,sum50,sum20,sum10,sum5,sum1; int main() { int salary; while (cin >> salary) {...

2026-03-22

0 46

题解 | 小乐乐求和

#include <iostream> using namespace std; int main() { long long n,sun; cin >> n; sun = (1 + n) * n / 2; cout << sun...

2026-03-21

0 45