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全部文章（共111篇）

题解 | 矩形计数

#include <iostream> //#include<algorithm> //#include<cmath> #include<iostream> using namespace std; typedef long long ll; l...

2025-10-23

0 20

题解 | 分割序列

#include <iostream> //#include<algorithm> //#include<cmath> #include<iostream> using namespace std; typedef long long ll; l...

2025-10-23

0 14

题解 | 前缀平方和序列

#include <iostream> #include<algorithm> #include<cmath> using namespace std; typedef long long ll; const ll p = 1000000007; ll f...

2025-10-23

0 15

题解 | 墙壁划线

#include <iostream> using namespace std; int gcd(int a, int b) { if (a % b == 0) return b; return gcd(b, a % b); } //其实是数论的问题，题目之和a, b（a, ...

2025-10-22

0 18

题解 | 放苹果

#include<iostream> #include<algorithm> using namespace std; int cache[11][11]{0}; int dfs(int m, int n) { n = n > m ? m : n; if (n...

2025-10-22

0 22

题解 | 子数列求积

#include<iostream> #include<algorithm> using namespace std; typedef long long ll; const ll p = 1000000007; ll fast_pow_mod(ll base, ll ...

2025-10-21

0 23

题解 | 【模板】分数取模

#include<iostream> #include<algorithm> using namespace std; typedef long long ll; const ll p = 1000000007; ll fast_pow_mod(ll base, ll ...

2025-10-21

0 21

题解 | 括号匹配深度

#include<iostream> #include<stack> #include<string> #include<algorithm> using namespace std; int main() { string s; cin &g...

2025-10-21

0 16

题解 | 游游的最小公倍数

#include<iostream> #include<algorithm> using namespace std; typedef long long LL; int main() { int n; LL k; cin >> n; /...

2025-10-17

0 22

题解 | 矩形游戏

#include<iostream> //#include<string> using namespace std; int main() { int b; cin >> b; int ans = b; while (b >...

2025-10-17

0 29