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Submission #44244

# Submission time Handle Problem Language Result Execution time Memory
44244 2018-03-30T20:26:38 Z Nnandi Sightseeing (NOI14_sightseeing) C++14
15 / 25
 3500 ms 131144 KB 
#include <bits/stdc++.h>
#define PB push_back
using namespace std;

struct El {
    int to, w;
    El(int cel, int suly) {
        w=suly;
        to=cel;
    }
    El() { }
    const bool operator< (El masik) const {
        return w<masik.w;
    }
};

const int maxn=500005;

vector<El> graf[maxn];
int d[maxn];
bool volte[maxn];


int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, m, q;
    cin>>n>>m>>q;
    for(int i=0;i<m;i++) {
        int u, v, w;
        cin>>u>>v>>w;
        u--; v--;
        graf[u].PB(El(v,w));
        graf[v].PB(El(u,w));
    }
    El kezdo(0,INT_MAX);
    priority_queue<El> kovi;
    kovi.push(kezdo);
    int kesz=0;
    while(!kovi.empty() && kesz<n) {
        El akt=kovi.top();
        kovi.pop();
        if(!volte[akt.to]) {
            volte[akt.to]=true;
            kesz++;
            d[akt.to]=akt.w;
            for(El s:graf[akt.to]) {
                s.w=min(s.w,akt.w);
                if(!volte[s.to] && (d[s.to]==0 || d[s.to]>s.w)) {
                    kovi.push(s);
                }
            }
        }
    }
    vector<int> sol;
    for(int i=0;i<q;i++) {
        int z;
        cin>>z;
        z--;
        sol.push_back(d[z]);
    }
    for(int d:sol) {
        cout<<d<<endl;
    }
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 12024 KB Output is correct
2 Correct 11 ms 12132 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12336 KB Output is correct
2 Correct 12 ms 12336 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 14564 KB Output is correct
2 Correct 53 ms 14564 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3556 ms 131144 KB Time limit exceeded
2 Halted 0 ms 0 KB -