Submission #45489

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
45489	2018-04-14 11:52:36	alenam0161	Toy Train (IOI17_train)	C++17	100 / 100	995 ms	10096 KiB

train

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#include "train.h"
#include <algorithm>
#include <iostream>
#include <cstdio>
#include <unordered_map>
#include <unordered_set>
#include <queue>
using namespace std;
const int N = 5e3 + 7;
int n, m;
unordered_set<int> R;
vector<int> g[N], g1[N];
vector<int> A;
void rev(vector<bool> &fi){
  for (int i = 0; i < fi.size(); i++)
    fi[i] = !fi[i];
}
void Fw(int w, vector<bool> &fi){
  static queue<int> q;
  for (int i = 0; i < fi.size(); i++)
    if (fi[i])
      q.push(i);
  while (!q.empty()){
    auto it = q.front(); q.pop();
    for (auto to : g1[it]){
 
 
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Compilation message (stderr)

train.cpp: In function 'void rev(std::vector<bool>&)':
train.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < fi.size(); i++)
                  ~~^~~~~~~~~~~
train.cpp: In function 'void Fw(int, std::vector<bool>&)':
train.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < fi.size(); i++)
                  ~~^~~~~~~~~~~

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