Submission #463793

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
463793	2021-08-11 18:42:59	AlexLuchianov	007 (CEOI14_007)	C++14	0 / 100	376 ms	24972 KiB

007

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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
using ll = long long;
int const nmax = 200000;
std::vector<int> bfs(int n, int node, std::vector<std::vector<int>> &g) {
  std::vector<int> dist(n, -1);
  std::queue<int> q;
  q.push(node);
  dist[node] = 0;
  while(0 < q.size()) {
    node = q.front();
    q.pop();
    for(int h = 0; h < g[node].size(); h++) {
      int to = g[node][h];
      if(dist[to] == -1) {
        dist[to] = dist[node] + 1;
        q.push(to);
      }
    }
  }
  return dist;
}
int main() {
 
 
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Compilation message (stderr)

007.cpp: In function 'std::vector<int> bfs(int, int, std::vector<std::vector<int> >&)':
007.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int h = 0; h < g[node].size(); h++) {
      |                    ~~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70