Submission #897394

#	Time	Username	Problem	Language	Result	Execution time	Memory
897394		Sir_Ahmed_Imran	Dreaming (IOI13_dreaming)	C++17	Compilation error	0 ms	0 KiB

dreaming

                              ///~~~LOTA~~~///
#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long 
#define append push_back
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define N 100000
int ans;
int vis[N];
int dp1[N];
int dp2[N];
int dp3[N];
vector<pii> a[N];
void dfs(int v){
    vis[v]=1;
    for(auto& i:a[v]){
        if(vis[i.ff]) continue;
        dfs(i.ff);
        if(dp1[i.ff]+i.ss>dp1[v]){
            dp2[v]=dp1[v];
            dp1[v]=dp1[i.ff]+i.ss;
        }
        else 
            dp2[v]=max(dp2[v],dp1[i.ff]+i.ss);
    }
}
int dfs2(int v,int u){
    ans=max(ans,dp1[v]+dp2[v]);
    ans=max(ans,dp1[v]+dp3[v]);
    int o=max(dp1[v],dp3[v]);
    for(auto& i:a[v]){
        if(i.ff==u)
            continue;
        dp3[i.ff]=dp3[v]+i.ss;
        if(dp1[i.ff]+i.ss==dp1[v])
            dp3[i.ff]=max(dp3[i.ff],dp2[v]+i.ss);
        else dp3[i.ff]=max(dp3[i.ff],dp1[v]+i.ss);
        o=min(o,dfs2(i.ff,v));
    }
    return o;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cczOCqM7.o: in function `main':
grader.c:(.text.startup+0xd1): undefined reference to `travelTime'
collect2: error: ld returned 1 exit status