Submission #691171

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
691171	2023-01-31 02:32:39	amunduzbaev	Arranging Tickets (JOI17_arranging_tickets)	C++17	0 / 100	181 ms	296 KiB

arranging_tickets

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#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define ar array
//~ #define int ll
signed main(){
  ios::sync_with_stdio(0); cin.tie(0);
  
  int n, m; cin >> m >> n;
  vector<int> l(n), r(n);
  for(int i=0;i<n;i++){
    cin >> l[i] >> r[i];
    if(l[i] > r[i]) swap(l[i], r[i]);
    l[i]--, r[i]--;
  }
  
  int ans = m;
  for(int mask=0;mask < (1 << n);mask++){
    vector<int> pref(m);
    for(int i=0;i<n;i++){
      if(mask >> i & 1){
        pref[0]++, pref[l[i]]--;
        pref[r[i]]++;
      } else {
        pref[l[i]]++;
        pref[r[i]]--;
      }
    }
 
 
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• Subtask 5: 0 / 15