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题解 | 小红的图上加边

#include<bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; void solve() { int n, m; cin >> n >&...

2026-04-10

1 9

题解 | 绿豆蛙的归宿

#include<bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; void solve() { int n, m; cin >> n >&...

2026-04-09

3 9

题解 | 树上行走

#include<bits/stdc++.h> using namespace std; using ll = long long; void solve() { int n; cin >> n; vector<int> a(n); ...

2026-04-04

1 16