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题解 | 恶魔果实

#include <bits/stdc++.h> using namespace std; const int N=1e6+10; const int mod = 1e4+7; typedef long long ll; typedef unsigned long long ull; l...

2026-03-02

0 6

题解 | 01序列

#include <bits/stdc++.h> using namespace std; int main() { int m; cin>>m; vector<int>a(m+1); for(int i=1;i<=m;i++...

2026-02-21

0 9

题解 | 中位数之和

#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 6e5+10; const int mod = 1e9+7; ll a[N]; int n,k; ll fac[N]; l...

2026-02-13

0 24

题解 | 小红的二叉树

#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll mod = 1e9+7; ll qpow(ll a,ll b,ll p) { ll res =1; for(;b;b...

2026-02-10

0 14

题解 | 幂次进近

#include <bits/stdc++.h> using namespace std; const int N=3e5+10; const int mod = 998244353; typedef long long ll; typedef unsigned long long ul...

2026-02-04

1 22

题解 | 躲藏

#include <bits/stdc++.h> using namespace std; const int N=3e5+10; typedef long long ll; typedef unsigned long long ull; const ll mod = 200012042...

2026-02-02

0 25

题解 | 小红的好排列

#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; const int N=1e6+10; const ll mod = 1e9+7; ll...

2026-02-01

0 21

题解 | 小红的gcd

#include <bits/stdc++.h> using namespace std; const int N=3e5+10; const int mod = 998244353; typedef long long ll; typedef unsigned long long ul...

2026-01-30

0 32

题解 | 小苯的最短路

#include <bits/stdc++.h> using namespace std; const int N=3e5+10; const int mod = 998244353; typedef long long ll; typedef unsigned long long ul...

2026-01-28

0 27

题解 | 音符

#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 2e5+10; ll b[N]; ll pres[N]; void solve(){ int n,q; ...

2026-01-26

0 25