Submission #237403

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
237403	2020-06-06 13:34:52	keta_tsimakuridze	One-Way Streets (CEOI17_oneway)	C++14	100 / 100	401 ms	36856 KiB

oneway

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#include<bits/stdc++.h>
using namespace std;
int n,m,k,u,v,mn[100005],ind[100005],fix[100005],bridge[100005],F[100005],sum[100005],timer,tmin[100005],q;
char ans[100005];
vector<pair<int,pair<int,int> > >V[100005],B[100005];
map<int,int>FX[100005];
void dfs(int u,int p) {
  fix[u]=1;
  timer++;
  tmin[u]=mn[u]=timer;
  for(int i=0; i<V[u].size(); i++) {
    int v=V[u][i].first;
    if(v==p) continue;
    if(fix[v]==0) {
      dfs(v,u);
      mn[u]=min(mn[u],mn[v]);
      if(mn[v]>tmin[u] && FX[v][u]==1) {
        bridge[V[u][i].second.first]=1;
        F[v]=1;
        F[u]=1;
      }
    } else mn[u]=min(mn[u],tmin[v]);
  }
//  cout<<u<<"++"<<mn[u]<<endl;
}
void dfs1(int u,int p,int nm) {
  if(nm==1)fix[u]=2;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

oneway.cpp: In function 'void dfs(int, int)':
oneway.cpp:11:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<V[u].size(); i++) {
               ~^~~~~~~~~~~~
oneway.cpp: In function 'void dfs1(int, int, int)':
oneway.cpp:33:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<V[u].size(); i++) {
               ~^~~~~~~~~~~~
oneway.cpp: In function 'void dfs2(int, int)':
oneway.cpp:50:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<B[u].size(); i++) {
               ~^~~~~~~~~~~~

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