제출 #961313

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
961313	2024-04-11 19:58:33	Prieved1	가장 긴 여행 (IOI23_longesttrip)	C++17	0 / 100	30 ms	7424 KiB

longesttrip

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#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
int cnt=0;
int n;
map<int, map<int,int>> mp;
bool query1(int a, int b) {
  if(mp[a][b]!=0)return mp[a][b]-1;
  int c=are_connected({a}, {b});
  mp[a][b]=c+1;
  mp[b][a]=c+1;
  cnt++;
  return c;
}
bool query2(int a, int b) {
 for(int j  = 0;j<n;j++) {
  if(a==j or j==b)continue;
  if(mp[a][j]==1 and mp[j][b]==1) {
    mp[a][b]=2;
    mp[b][a]=2;
    return 1;
  }
 }
 return query1(a,b);
}
vector<int> longest_trip(int N, int D)
{
  n=N;
  cnt=0;
  mp.clear();
 
 
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