Submission #113021

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
113021	2019-05-23 07:15:05	gs14004	Toy Train (IOI17_train)	C++17	100 / 100	761 ms	1536 KiB

train

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#include "train.h"
#include <bits/stdc++.h>
using namespace std;
int n, m;
vector<int> gph[5005];
vector<int> proc;
vector<int> always(vector<int> &a, vector<int> &v, int winner){
  vector<int> deg(n);
  queue<int> que;
  for(int i=0; i<n; i++){
    if(proc[i]) continue;
    for(auto &j : gph[i]){
      if(!proc[j]) deg[j]++;
    }
  }
  for(auto &i : v){
    if(deg[i] > 0){
      deg[i] = 0;
    }
    que.push(i);
  }
  vector<int> ret;
  while(!que.empty()){
    int x = que.front(); que.pop();
    ret.push_back(x);
    for(auto &i : gph[x]){
      if(proc[i]) continue;
      if(a[i] == winner && deg[i] > 0){
 
 
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Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:57:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(R.size() == unproc){
      ~~~~~~~~~^~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 12 / 12
• Subtask 6: 51 / 51