Submission #872179

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
872179	2023-11-12 13:00:07	kitkat12	Stations (IOI20_stations)	C++14	52.32 / 100	541 ms	1480 KiB

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//Dedicated to my love,ivaziva
#include<bits/stdc++.h>
#include "stations.h"
using namespace std;
#define ll long long 
#define pb push_back 
const int maxn=1050;
const int mx=1000;
const int mod=998244353;  
vector<int> es[maxn]; //ivice
int tin[maxn],tout[maxn];
int vr=0;
void dfs(int u,int par){
    tin[u]=vr;vr++;
    for(auto e:es[u]){
        if(e!=par){
            dfs(e,u);
        }
    }
    tout[u]=vr-1;
}   
vector<int> label(int n,int k,vector<int> u,vector<int> v){
    vector<int> kodiraj(n,0);
    for(int i=0;i<n;i++) es[i].clear();
    for(int i=0;i<v.size();i++){
        es[u[i]].pb(v[i]);
        es[v[i]].pb(u[i]);
    } 
    vr=0;
    dfs(0,-1);
 
 
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Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:41:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for(int i=(root?0:1);i<c.size();i++){
      |                              ~^~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 26.3205 / 61