Submission #839079

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
839079	2023-08-28 15:17:49	mohammad_kilani	Toy Train (IOI17_train)	C++17	100 / 100	337 ms	1704 KiB

train

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#include "train.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 5010;
int n;
vector< int > ans , g[N] , g2[N] , r , a;
void make(){
  ans = vector< int > (n , -1);
  vector< int > out(n , 0);
  queue < int > q;
  for(int i = 0 ;i < n;i++){
    out[i] = (int)g[i].size();
    if(r[i]){
      out[i] = 0;
      ans[i] = 1;
      q.push(i);
    }
  }
  int node;
  while(!q.empty()){
    node = q.front();
    q.pop();
    for(int pre , i = 0 ;i < (int)g2[node].size();i++){
      pre = g2[node][i];
      if(out[pre] == 0) continue;
      out[pre]--;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 12 / 12
• Subtask 6: 51 / 51