Submission #89103

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
891032018-12-10 10:07:05beso123Special graph (IZhO13_specialg)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h>
using namespace std;
int n,p[100001],q,d=1;
int used[100001];
int DFS(int v,int h){
used[v]=d;
queue <int> q;
q.push(v);
int cnt=0;
while(!q.empty()){
v=q.front();
q.pop();
if(v==h){
return cnt;
}
used[v]=d;
if(used[p[v]]!=d && p[v]!=0)
q.push(p[v])<<endl;
cnt++;
}
if(used[h]!=d)
return -1;
}
int main(){
cin>>n;
for(int k=1;k<=n;k++)
cin>>p[k];
cin>>q;
for(int k=1;k<=q;k++){
 
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Compilation message (stderr)

specialg.cpp: In function 'int DFS(int, int)':
specialg.cpp:18:17: error: invalid operands of types 'void' and '<unresolved overloaded function type>' to binary 'operator<<'
     q.push(p[v])<<endl;
     ~~~~~~~~~~~~^~~~~~
specialg.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^