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Submission #1013489

# Submission time Handle Problem Language Result Execution time Memory
1013489 2024-07-03T15:05:51 Z Error404 Crocodile's Underground City (IOI11_crocodile) C++17
100 / 100
 333 ms 81848 KB 
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define f first
#define s second
#define pi pair<ll,ll>
#define vi vector<ll>
#define vpi vector<pi>
#define pb push_back
#define INF 1e18
#define endl '\n'
//#define int ll
#define pii pair<pi,ll>

const int MAX = 1e5+1;

vpi g[MAX];
ll dis[MAX][2];


ll travel_plan(int n,int m, int R[][2], int L[],int k, int P[]){
    ll a,b,c,from;
    
    for(int i = 0; i < m; i++){
       a = R[i][0];
       b = R[i][1];
       c = L[i];
       g[a].pb({b,c});
       g[b].pb({a,c});
    }

    priority_queue<pi, vector<pi>, greater<pi>>pq;
     for(int i = 0; i < n; i++){
        dis[i][0]=INF;
        dis[i][1]=INF;
    }

    for(int i =0 ; i < k; i++){
        dis[P[i]][0]=0;
        dis[P[i]][1]=0;
        pq.push({0,P[i]});   
    }

   int vis[n];
   memset(vis,0,sizeof(vis));

    while(!pq.empty()){
        b = pq.top().f;
        from = pq.top().s;

        pq.pop();
        
        if(vis[from]) {
            continue;
        }
        vis[from]=1;
        for(pi i : g[from]){
            int to = i.f;
            int w= i.s;
      
            if(dis[to][0]> b+w){
                bool flag = false;
                if(dis[to][0]!=INF) flag = true;
                dis[to][1] = dis[to][0];
                dis[to][0] = dis[from][1]+w;
                if(flag)pq.push({dis[to][1], to});
            }
            else if(dis[to][1]>b+w){
                dis[to][1]=dis[from][1]+w;
                pq.push({dis[to][1], to});
            }
           
        }
       
    }

   
     return dis[0][1]; 

}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2816 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2816 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 2 ms 3160 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2908 KB Output is correct
12 Correct 3 ms 3420 KB Output is correct
13 Correct 3 ms 3420 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2652 KB Output is correct
2 Correct 1 ms 2908 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 1 ms 2908 KB Output is correct
6 Correct 1 ms 2648 KB Output is correct
7 Correct 2 ms 2816 KB Output is correct
8 Correct 1 ms 2908 KB Output is correct
9 Correct 2 ms 3160 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2908 KB Output is correct
12 Correct 3 ms 3420 KB Output is correct
13 Correct 3 ms 3420 KB Output is correct
14 Correct 1 ms 2652 KB Output is correct
15 Correct 1 ms 2908 KB Output is correct
16 Correct 260 ms 75288 KB Output is correct
17 Correct 45 ms 16464 KB Output is correct
18 Correct 60 ms 19084 KB Output is correct
19 Correct 333 ms 81848 KB Output is correct
20 Correct 176 ms 61872 KB Output is correct
21 Correct 25 ms 9468 KB Output is correct
22 Correct 190 ms 57816 KB Output is correct