Submission #415634

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
415634	2021-06-01 09:59:06	MKopchev	Stations (IOI20_stations)	C++14	100 / 100	1238 ms	900 KiB

stations

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#include "stations.h"
#include<bits/stdc++.h>
using namespace std;
const int nmax=1e3+42;
vector<int> adj[nmax];
int in[nmax],out[nmax],when;
vector<int> outp;
void dfs(int node,int par,int depth)
{
    when++;
    in[node]=when;
    for(auto w:adj[node])
        if(w!=par)dfs(w,node,depth+1);
    when++;
    out[node]=when;
    //cout<<node<<" "<<depth<<" -> "<<in[node]<<" "<<out[node]<<endl;
    if(depth%2==0)outp[node]=in[node];
    else outp[node]=out[node];
}
 
 
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:73:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         for(int i=1;i<c_out.size();i++)
      |                     ~^~~~~~~~~~~~~
stations.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |         for(int i=0;i<c_in.size();i++)
      |                     ~^~~~~~~~~~~~
stations.cpp:86:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   86 |         for(int i=0;i+1<c_in.size();i++)
      |                     ~~~^~~~~~~~~~~~
stations.cpp:96:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         for(int i=0;i<c_in.size();i++)
      |                     ~^~~~~~~~~~~~

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