Submission #1035456

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1035456	2024-07-26 11:20:08	vjudge1	Political Development (BOI17_politicaldevelopment)	C++17	54 / 100	3110 ms	337764 KiB

politicaldevelopment

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#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math,inline")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,lzcnt,mmx,abm,avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
const int N = 5e4, X = 5e2;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, k, c, ans;
vector<int> vt, adj[N];
set<int> st[N];
bitset<N> bt2[N], r, taken, toTake;
void clean(int x) {
  for (int i = 0; i < n; i++) {
    if (adj[i].size()+1 < x) r[i] = 1;
  }
}
void dfs(int x) {
  if (c++ > X) return;
  int sz = taken.count();
  if (sz > ans) {
    ans = sz;
    clean(sz+1);
  }
 
 
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Compilation message (stderr)

politicaldevelopment.cpp: In function 'void clean(int)':
politicaldevelopment.cpp:19:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |     if (adj[i].size()+1 < x) r[i] = 1;
      |         ~~~~~~~~~~~~~~~~^~~
politicaldevelopment.cpp: In function 'void dfs(int)':
politicaldevelopment.cpp:35:54: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   35 |     if (r[y] || taken[y] || (taken & bt2[y]).count() < sz) continue;
      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~

• Subtask 1: 4 / 4
• Subtask 2: 12 / 12
• Subtask 3: 0 / 23
• Subtask 4: 38 / 38
• Subtask 5: 0 / 23