제출 #437990

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
437990	2021-06-27 11:46:12	CyanForces	분수 공원 (IOI21_parks)	C++17	70 / 100	634 ms	70312 KiB

parks

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#include "parks.h"
#include <bits/stdc++.h>
#define rep(a,b,c) for(int a=int(b); a<int(c); ++a)
using namespace std;
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
#pragma once
bool dfs(int a, int L, vector<vi>& g, vi& btoa, vi& A, vi& B) {
  if (A[a] != L) return 0;
  A[a] = -1;
  for (int b : g[a]) if (B[b] == L + 1) {
    B[b] = 0;
    if (btoa[b] == -1 || dfs(btoa[b], L + 1, g, btoa, A, B))
      return btoa[b] = a, 1;
  }
  return 0;
}
int hopcroftKarp(vector<vi>& g, vi& btoa) {
  int res = 0;
  vi A(g.size()), B(btoa.size()), cur, next;
  for (;;) {
    fill(all(A), 0);
    fill(all(B), 0);
    /// Find the starting nodes for BFS (i.e. layer 0).
 
 
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컴파일 시 표준 에러 (stderr) 메시지

parks.cpp:11:9: warning: #pragma once in main file
   11 | #pragma once
      |         ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20
• Subtask 6: 0 / 30