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Submission #1026536

# Submission time Handle Problem Language Result Execution time Memory
1026536 2024-07-18T07:49:03 Z vjudge1 Sirni (COCI17_sirni) C++17
42 / 140
 1075 ms 786432 KB 
#include <bits/stdc++.h>
using namespace std;

int n, p[100000], dsu[100000], h[100000];
priority_queue<pair<int, pair<int, int> > > q;

int findRoot(int k) {
    while(dsu[k] != k) 
        k = dsu[k];
    return k;
}

void unite(int a, int b) {
    a = findRoot(a);
    b = findRoot(b);
    if(h[a] > h[b])
        swap(a, b);
    dsu[a] = b;
    h[b] = max(h[a] + 1, h[b]);
}

int main() {
    cin>>n;
    for(int i = 0; i < n; i++) {
        cin>>p[i];
        dsu[i] = i;
        h[i] = 1;
    }
    for(int i = 0; i < n; i++)
        for(int j = i + 1; j < n; j++)
            q.push({-(max(p[i], p[j]) % min(p[i], p[j])), {i, j}});
    long long res = 0;
    while(q.size()) {
        int d = -q.top().first;
        int a = q.top().second.first;
        int b = q.top().second.second;
        q.pop();
        //cout<<endl<<"d: "<<d<<" a: "<<a<<" b: "<<b;
        if(findRoot(a) == findRoot(b))
            continue;
        //cout<<" +";
        unite(a, b);
        res += d;
    }
    //cout<<endl;
    cout<<res<<endl;
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 6856 KB Output is correct
2 Correct 85 ms 7628 KB Output is correct
3 Correct 77 ms 7884 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 7624 KB Output is correct
2 Correct 82 ms 8396 KB Output is correct
3 Correct 78 ms 7368 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 8140 KB Output is correct
2 Correct 69 ms 7112 KB Output is correct
3 Correct 78 ms 6856 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1048 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1075 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 973 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1057 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1053 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1045 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 1039 ms 786432 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -