Submission #1096129

# Submission time Handle Problem Language Result Execution time Memory
1096129 2024-10-03T21:14:14 Z I_FloPPed21 Crocodile's Underground City (IOI11_crocodile) C++14
89 / 100
301 ms 89400 KB
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+1;
struct nod
{
    int unde;
    long long 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];
bool found_first[N];
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]=1e12+1;
    }
    priority_queue<coada,vector<coada>,compare>pq;
    for(int i=0;i<k;i++)
    {
        best[p[i]][0]=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;
                if(found_first[u.unde])
                pq.push({u.unde,best[u.unde][1]});

                found_first[u.unde]=true;
            }
            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];
}

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6232 KB Output is correct
2 Correct 1 ms 6236 KB Output is correct
3 Correct 2 ms 6236 KB Output is correct
4 Correct 2 ms 6236 KB Output is correct
5 Correct 2 ms 6236 KB Output is correct
6 Correct 2 ms 6236 KB Output is correct
7 Correct 2 ms 6236 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 6232 KB Output is correct
2 Correct 1 ms 6236 KB Output is correct
3 Correct 2 ms 6236 KB Output is correct
4 Correct 2 ms 6236 KB Output is correct
5 Correct 2 ms 6236 KB Output is correct
6 Correct 2 ms 6236 KB Output is correct
7 Correct 2 ms 6236 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 3 ms 6488 KB Output is correct
10 Correct 2 ms 6236 KB Output is correct
11 Correct 2 ms 6236 KB Output is correct
12 Correct 4 ms 6972 KB Output is correct
13 Correct 3 ms 7004 KB Output is correct
14 Correct 2 ms 6236 KB Output is correct
15 Correct 2 ms 6236 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 6232 KB Output is correct
2 Correct 1 ms 6236 KB Output is correct
3 Correct 2 ms 6236 KB Output is correct
4 Correct 2 ms 6236 KB Output is correct
5 Correct 2 ms 6236 KB Output is correct
6 Correct 2 ms 6236 KB Output is correct
7 Correct 2 ms 6236 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 3 ms 6488 KB Output is correct
10 Correct 2 ms 6236 KB Output is correct
11 Correct 2 ms 6236 KB Output is correct
12 Correct 4 ms 6972 KB Output is correct
13 Correct 3 ms 7004 KB Output is correct
14 Correct 2 ms 6236 KB Output is correct
15 Correct 2 ms 6236 KB Output is correct
16 Correct 271 ms 82940 KB Output is correct
17 Correct 45 ms 20636 KB Output is correct
18 Correct 54 ms 23412 KB Output is correct
19 Correct 301 ms 89400 KB Output is correct
20 Correct 184 ms 68944 KB Output is correct
21 Correct 25 ms 13136 KB Output is correct
22 Incorrect 197 ms 64340 KB Output isn't correct
23 Halted 0 ms 0 KB -