Submission #1096112

#	Time	Username	Problem	Language	Result	Execution time	Memory
1096112		I_FloPPed21	Crocodile's Underground City (IOI11_crocodile)	C++14	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>
using namespace std;
const int N=2e5+1;
struct nod
{
    int unde,cost;
};

struct coada
{
    int unde;
    long long cost;
};

struct compare
{
    bool operator()(coada &x,coada &y)
    {
        return x.cost>y.cost;
    }
};
vector<nod>adj[N];
long long best[N][2];
int travel_plan(int n,int m,int r[][2],int l[],int k,int p[])
{
    for(int i=0;i<m;i++)
    {
        adj[r[i][0]].push_back({r[i][1],l[i]});
        adj[r[i][1]].push_back({r[i][0],l[i]});
    }


    for(int i=0;i<n;i++)
    {
        best[i][0]=best[i][1]=1e11;
    }
    priority_queue<coada,vector<coada>,compare>pq;
    for(int i=0;i<k;i++)
    {
        best[p[i]][0]=best[p[i]][1]=0;
        pq.push({p[i],0});
    }
    while(!pq.empty())
    {
        int nod=pq.top().unde;
        long long cost=pq.top().cost;
        pq.pop();
        if(cost!=best[nod][1])
            continue;

        for(auto u:adj[nod])
        {
            if(best[u.unde][0]>cost+u.cost)
            {
                best[u.unde][1]=best[u.unde][0];
                best[u.unde][0]=cost+u.cost;
                pq.push({u.unde,best[u.unde][1]});
            }
            else
                if(best[u.unde][1]>cost+u.cost)
            {
                best[u.unde][1]=cost+u.cost;
                pq.push({u.unde,best[u.unde][1]});
            }
        }
    }
    return best[0][1];
}
int a[N][2],p[N],n,m,k,c[N];
int main()
{
    cin>>n>>m>>k;

    for(int i=0;i<m;i++)
        cin>>a[i][0]>>a[i][1];

    for(int i=0;i<m;i++)
    cin>>c[i];
    for(int i=0;i<k;i++)
        cin>>p[i];

        cout<<travel_plan(n,m,a,c,k,p);

    return 0;
}

Compilation message (stderr)

crocodile.cpp: In function 'int main()':
crocodile.cpp:79:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   79 |     for(int i=0;i<k;i++)
      |     ^~~
crocodile.cpp:82:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   82 |         cout<<travel_plan(n,m,a,c,k,p);
      |         ^~~~
/usr/bin/ld: /tmp/ccVy53eT.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccAQrnBQ.o:crocodile.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status