Submission #376434

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
376434	2021-03-11 13:08:58	mosiashvililuka	Stations (IOI20_stations)	C++14	100 / 100	1007 ms	1284 KiB

stations

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#include "stations.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,i,j,ii,jj,zx,xc,tim,lf[1009],rg[1009],dep[1009],pi;
vector <int> v[1009];
pair <int, int> p[1009];
void dfs(int q, int w){
  if(w!=-1) dep[q]=dep[w]+1;
  tim++;
  lf[q]=tim;
  for(vector <int>::iterator it=v[q].begin(); it!=v[q].end(); it++){
    if((*it)==w) continue;
    dfs((*it),q);
  }
  tim++;
  rg[q]=tim;
  if(dep[q]%2==0){
    pi++;
    p[pi].first=lf[q];
    p[pi].second=q;
  }else{
    pi++;
    p[pi].first=rg[q];
    p[pi].second=q;
  }
}
vector<int> label(int n, int kk, vector<int> U, vector<int> V) {
  vector<int> labels(n);
  pi=0;tim=0;
 
 
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:52:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |  for(i=0; i<C.size(); i++){
      |           ~^~~~~~~~~
stations.cpp:58:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |  for(i=0; i<C.size(); i++){
      |           ~^~~~~~~~~
stations.cpp:66:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |   for(i=1; i<C.size(); i++){
      |            ~^~~~~~~~~
stations.cpp:78:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |    for(i=0; i<C.size(); i++){
      |             ~^~~~~~~~~
stations.cpp:87:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |    for(i=0; i<C.size(); i++){
      |             ~^~~~~~~~~
stations.cpp:88:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |     if(i+1>=C.size()) break;
      |        ~~~^~~~~~~~~~
stations.cpp:96:1: warning: control reaches end of non-void function [-Wreturn-type]
   96 | }
      | ^

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