Submission #655863

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
655863	2022-11-05 19:40:26	manizare	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	136 ms	27128 KiB

oneway

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#include<bits/stdc++.h>
#define all(a) a.begin(),a.end()
#define pb push_back
using namespace std ;
const int maxn = 1e5 + 2 , maxq = 502 , inf = 1e9 , mod = 1e9+7 ;
vector <pair <int , int > > G[maxn] ;
vector <int>  l[maxn] ;
int dp[maxn] ;
bool mark2[maxn] , mark[maxn] ;
int par[maxn]  , cnt = 1 ,c[maxn] , pr[maxn] , pp[maxn] , dis[maxn] ;
short ans[maxn]; 
pair <int , int > ed[maxn] ;
void dfs(int v){ 
  mark[v] = 1;
  for(int i = 0; i < (int)G[v].size() ; i++){
    int u = G[v][i].first , id = G[v][i].second ;
    if(mark[u] == 1){
      if(mark2[id] == 0){
        dp[v] ++ ;
        dp[u] -- ;
        ans[id] = 3 ;
        mark2[id] = 1; 
      }
      continue ;
    }
    mark2[id] = 1;
    par[u] = id ;
    dfs(u) ;
    dp[v]+=dp[u];
 
 
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Compilation message (stderr)

oneway.cpp: In function 'void dfs3(int)':
oneway.cpp:57:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |  for(int i =0 ; i < l[v].size() ; i++){
      |                 ~~^~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40