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题解 | 二进制不同位数

#include<bits/stdc++.h> using namespace std; int main(){ long long m,n,x=0; cin >> m >> n; x = m^n; int cnt = 0; ...

2026-02-02

0 7

题解 | 小红的排列构造①

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; vector<int> arr(n+1); if(n<=2) { ...

2026-02-01

0 6

题解 | 构造数对

# include<bits/stdc++.h> using namespace std; int main(){ int x; cin >> x; if(x == 1) cout << "-1"; else c...

2026-02-01

0 5

题解 | 三角形取数(Hard Version)

#include<bits/stdc++.h> using namespace std; const long long INF = -1e18; #define ll long long int main(){ ios::sync_with_stdio(false); ...

2026-01-31

0 9

题解 | 最大子段和

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

2026-01-31

0 8

题解 | 撞车

#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ int n; cin >> n; vector<ll> x(n),v(n); ...

2026-01-31

0 8

题解 | 【模板】01背包

#include<bits/stdc++.h> using namespace std; const int neg = -1000000; int main(){ int n,V; cin >> n >> V; vector<int...

2026-01-30

0 9

题解 | 植树节

#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ ll n; cin >> n; vector<ll> diff(1000000,0)...

2026-01-30

0 8

题解 | 舞萌时间到！

#include<bits/stdc++.h> using namespace std; int check(char s){ if(s=='P') return 3; if(s=='p') return 2; if(s=='G') return 1; i...

2026-01-30

0 10

题解 | 分解质因数

#include<bits/stdc++.h> using namespace std; bool check(long long n){ if(n<=1) return false; if(n<=3) return true; if(n%2==0 |...

2026-01-28

0 9