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Submission #984239

# Submission time Handle Problem Language Result Execution time Memory
984239 2024-05-16T11:58:10 Z farica Sirni (COCI17_sirni) C++14
0 / 140
 1055 ms 133036 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

const int MAX_N = 10000001, MAX_SIZ = 100000;

int T[MAX_N], parent[MAX_SIZ], siz[MAX_SIZ];

int find_parent(int x) {
    if(parent[x] == x) return x;
    return parent[x] = find_parent(parent[x]);
}

void unite(int a, int b) {
    int x = find_parent(a), y = find_parent(b);
    if(x==y) return;
    if(siz[x] < siz[y]) swap(x,y);
    siz[x] += siz[y];
    parent[y] = x;
}

void solve() {
    int n;
    cin >> n;
    int a[n];
    for(int i=0; i<n; ++i) {
        cin >> a[i];
        parent[i] = i;
        siz[i] = 1;
    }
    sort(a, a+n);
    for(int i=0; i<n; ++i) T[a[i]] = i + 1;
    for(int i=a[n-1]; i>0; --i) {
        if(T[i]) continue;
        T[i] = T[i+1];
    }
    int ans = 0;
    priority_queue<pair<int,pair<int,int>>>pq;
    for(int i=0; i<n-1; ++i) {
        for(int j=a[i]; j<=a[n-1]; j+=a[i]) {
            int x, p;
            if(j==a[i]) x = a[T[a[i]+1]-1], p = T[a[i]+1];
            else x = a[T[j]-1], p = T[j];
            if(x > j+a[i]) continue;
            pq.push({-1 * x%a[i], {p-1, i}});
        }
    }
    while(!pq.empty()) {
        int w = -pq.top().first, x = pq.top().second.first, y = pq.top().second.second;
        pq.pop();
        if(find_parent(x) == find_parent(y)) continue;
        unite(x, y);
        ans += w;
    }
    cout << ans << endl;
}

signed main()
{
    int t=1;
    while(t--) solve();

    return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 80212 KB Output is correct
2 Incorrect 117 ms 87968 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 80336 KB Output is correct
2 Incorrect 38 ms 79916 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 347 ms 62568 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 18376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1055 ms 111476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 102 ms 19256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 483 ms 131764 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 480 ms 133036 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 85 ms 87344 KB Output isn't correct
2 Halted 0 ms 0 KB -