Submission #520294

#	Time	Username	Problem	Language	Result	Execution time	Memory
520294		cig32	Meetings 2 (JOI21_meetings2)	C++17	0 / 100	5 ms	6188 KiB

meetings2

#pragma GCC optimize("Ofast")
#include <cassert>
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <cwchar>
#include <cwctype>
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <chrono>
#include <codecvt>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
using namespace std;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
const int MAXN = 2.5e5 + 10;
const int MOD = 1e9 + 7;
#define int long long

int rnd(int x, int y) {
  int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
vector<int> adj[MAXN];
int e, f;
void dfs(int node, int prev, int cur) {
  if(cur > e) {
    e = cur, f = node;
  }
  for(int x: adj[node]) {
    if(x != prev) {
      dfs(x, node, cur + 1);
    }
  }
}
void solve(int tc) {
  int n;
  cin >> n;
  for(int i=1; i<n; i++) {
    int u, v; cin >> u >> v;
    adj[u].push_back(v); adj[v].push_back(u);
  }
  e = -1;
  dfs(1, -1, 0);
  e = -1;
  dfs(f, -1, 0);
  e++;
  for(int i=1; i<=n; i++) {
    if(i&1) cout << "1\n";
    else {
      cout << (e + i/2 - 1) / (i/2) << "\n";
    }
  }
}
int32_t main(){
  ios::sync_with_stdio(0); cin.tie(0);
  int t = 1; //cin >> t;
  for(int i=1; i<=t; i++) solve(i);
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 16
• Subtask 3: 0 / 80