oj.uz

Submission #412759

# Submission time Handle Problem Language Result Execution time Memory
412759 2021-05-27T13:08:04 Z kshitij_sodani Sirni (COCI17_sirni) C++14
0 / 140
 669 ms 436032 KB 
//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'

llo n;
bool vis[10000001];
llo ind[10000001];
llo re[10000001+1];
llo par[100001];
llo find(llo no){
	if(par[no]==no){
		return no;
	}
	par[no]=find(par[no]);
	return par[no];
}
vector<pair<llo,llo>> pre[10000001];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin>>n;
	llo ind2=0;

	for(llo i=0;i<n;i++){
		llo x;
		cin>>x;
		if(vis[x]==0){
			vis[x]=1;
			ind[x]=ind2;
			//cout<<x<<":"<<ind2<<endl;
			ind2++;
		}
	}	
	for(llo i=0;i<ind2;i++){
		par[i]=i;
	}
	re[10000001]=-1;
	for(llo i=10000000;i>=1;i--){
		re[i]=re[i+1];
		if(vis[i]==1){
			re[i]=i;
		}
	}
	for(llo i=1;i<=10000000;i++){
		if(vis[i]==1){
			for(llo j=i;j<=10000000;j+=i){
				if(re[j]>=0){
					pre[re[j]-j].pb({ind[re[j]],ind[i]});
				}
			}
		}
	}
	llo ans=0;
	for(llo i=0;i<=10000000;i++){
		for(auto j:pre[i]){
			llo x=find(j.a);
			llo y=find(j.b);
			//cout<<x<<","<<y<<","<<j.a<<","<<j.b<<endl;
			if(x==y){

			}
			else{
				ans+=i;
				par[x]=y;
			}
		}
	}
	cout<<ans<<endl;






	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 234 ms 320484 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 315 ms 313696 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 228 ms 321140 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 446 ms 343580 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 270 ms 326700 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 669 ms 368904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 422 ms 322640 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 416 ms 427328 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 443 ms 436032 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 285 ms 378360 KB Output isn't correct
2 Halted 0 ms 0 KB -