Submission #321883

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
321883	2020-11-13 13:46:53	wildturtle	기지국 (IOI20_stations)	C++14	10 / 100	1067 ms	1108 KiB

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#include "stations.h"
#include<bits/stdc++.h>
using namespace std;
int A[1003],l,in[1003],out[1003],don[1003],mp[1003];
vector <int> v1[1003];
void dfs(int x,int y,int z) {
    l++; 
    in[x]=l;
    don[x]=z;
    for(int i=0;i<v1[x].size();i++) {
        if(v1[x][i]==y) continue;
        dfs(v1[x][i],x,z+1);
    }
    l++;
    out[x]=l;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  std::vector<int> labels(n);
  for(int i=0;i<n;i++) {
  v1[i].clear();
  }
    l=0;
  for(int i=0;i<n-1;i++) {
      v1[u[i]].push_back(v[i]);
      v1[v[i]].push_back(u[i]);
  }
  dfs(0,-1,0);
  for(int i=0;i<n;i++) {
      if(don[i]%2==0) A[i]=in[i];
      else A[i]=out[i];
 
 
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Compilation message (stderr)

stations.cpp: In function 'void dfs(int, int, int)':
stations.cpp:10:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int i=0;i<v1[x].size();i++) {
      |                 ~^~~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int i=0;i<c.size()-1;i++) {
      |                     ~^~~~~~~~~~~
stations.cpp:53:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |         for(int i=0;i<c.size();i++) {
      |                     ~^~~~~~~~~
stations.cpp:54:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |             if(i==c.size()-1) {
      |                ~^~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 10 / 10
• Subtask 5: 0 / 61