제출 #1293192

#제출 시각아이디문제언어결과실행 시간메모리
1293192IcelastMeetings 2 (JOI21_meetings2)C++20
20 / 100
394 ms327680 KiB
#include <iostream> #include <bits/stdc++.h> #define ll long long using namespace std; const ll maxn = 2*1e5+5, INF = 4e18+9; void solve(){ int n; cin >> n; vector<vector<int>> adj(n+1); for(int i = 1; i < n; i++){ int u, v; cin >> u >> v; adj[u].push_back(v); adj[v].push_back(u); } vector<vector<int>> d(n+1, vector<int>(n+1, 0)); vector<vector<int>> sub(n+1, vector<int>(n+1, 0)); for(int i = 1; i <= n; i++){ auto dfs = [&](auto dfs, int u, int p) -> void{ sub[i][u] = 1; for(int v : adj[u]){ if(v == p) continue; d[i][v] = d[i][u] + 1; dfs(dfs, v, u); sub[i][u] += sub[i][v]; } }; dfs(dfs, i, 0); } vector<int> c(n+1, 1); for(int i = 1; i <= n; i++){ for(int j = 1; j <= n; j++){ if(i == j) continue; ll mn = min(sub[i][j], sub[j][i]); mn*=2; c[mn] = max(c[mn], d[i][j]+1); } } vector<int> ans(n+1); int mx = 0; for(int i = n; i >= 1; i--){ if(i&1){ ans[i] = 1; continue; } mx = max(mx, c[i]); ans[i] = mx; } for(int i = 1; i <= n; i++){ cout << ans[i] << "\n"; } } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); }
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