oj.uz

Submission #1106846

# Submission time Handle Problem Language Result Execution time Memory
1106846 2024-10-31T07:54:46 Z vjudge1 Sirni (COCI17_sirni) C++17
84 / 140
 794 ms 786432 KB 
#include <bits/stdc++.h>
#define ii pair<int, int>
#define fi first
#define se second
using namespace std;
using ll = long long;
const int nx=1e5+5;
const int N=1e7+5;
int n, a[nx], last[N], par[nx];
ll ans=0;
vector<int> rar;
vector<pair<int, ii>> ed;
int find(int u)
{
    if(!par[u])
        return u;
    return par[u]=find(par[u]);
}
bool join(int u, int v)
{
    u=find(u);
    v=find(v);
    if(u==v)
        return 0;
    par[v]=u;
    return 1;
}
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin>>n;
    for(int i = 1; i <= n; i++)
        cin>>a[i], rar.emplace_back(a[i]);
    sort(rar.begin(), rar.end());
    rar.erase(unique(rar.begin(), rar.end()), rar.end());
    n=rar.size();
    for(int i = 1; i <= n; i++)
        a[i]=rar[i-1], last[a[i]]=i;
    for(int i = N-2; i >= 1; i--)
    {
        if(last[i])
            continue;
        if(last[i+1])
            last[i]=last[i+1];
    }
    for(int i = 1; i <= n; i++)
    {
        ed.push_back({a[last[a[i]+1]]%a[i], {i, last[a[i]+1]}});
        for(int j = 2*a[i]; j < N; j+=a[i])
            if(last[j])
                ed.push_back({a[last[j]]%a[i], {i, last[j]}});
    }
    sort(ed.begin(), ed.end());
    for(auto it:ed)
        if(join(it.se.fi, it.se.se))
            ans+=it.fi;
    cout<<ans;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 39760 KB Output is correct
2 Correct 201 ms 91000 KB Output is correct
3 Correct 14 ms 40012 KB Output is correct

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2640 KB Output is correct
2 Runtime error 669 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 39760 KB Output is correct
2 Correct 18 ms 39760 KB Output is correct
3 Correct 13 ms 40092 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 165 ms 34368 KB Output is correct
2 Correct 613 ms 59252 KB Output is correct
3 Correct 299 ms 58928 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 10484 KB Output is correct
2 Correct 315 ms 58928 KB Output is correct
3 Correct 192 ms 32196 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 352 ms 58920 KB Output is correct
2 Correct 788 ms 108216 KB Output is correct
3 Correct 244 ms 34360 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 10044 KB Output is correct
2 Correct 794 ms 108404 KB Output is correct
3 Correct 237 ms 34356 KB Output is correct

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 67800 KB Output is correct
2 Runtime error 604 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 233 ms 67644 KB Output is correct
2 Runtime error 674 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 43780 KB Output is correct
2 Runtime error 665 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -