Submission #1042282

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042282		Abito	Sirni (COCI17_sirni)	C++17	0 / 140	244 ms	786432 KiB

sirni

#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
//#define int long long
#define ll long long
#define y1 YONE
typedef unsigned long long ull;
using namespace std;
const int N=1e7+5;
int a[N],n;
set<int> ad[N],er[N],s;
bool b[N];
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n;
    for (int i=1;i<=n;i++) cin>>a[i],b[a[i]]=1;
    for (int i=1;i<N;i++){
        if (!b[i]) continue;
        for (int j=i;j<N;j+=i){
            if (j!=i) ad[j].ep(j);
            if (j+i<N) er[j+i].ep(j);
        }
    }
    int ans=0;
    for (int i=1;i<N;i++){
        for (auto u:ad[i]) s.ep(u);
        if (b[i] && !s.empty()){
            //cout<<i<<endl;
            //for (auto u:s) cout<<u<<' ';cout<<endl;
            ans+=i-(*--s.end());
        }
        if (b[i]) s.ep(i);
        for (auto u:er[i]) s.erase(u);
    }
    cout<<ans<<endl;
    return 0;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14
• Subtask 6: 0 / 14
• Subtask 7: 0 / 14
• Subtask 8: 0 / 14
• Subtask 9: 0 / 14
• Subtask 10: 0 / 14