Submission #949274

# Submission time Handle Problem Language Result Execution time Memory
949274 2024-03-19T04:46:17 Z vjudge1 Sirni (COCI17_sirni) C++17
0 / 140
3548 ms 210328 KB
#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define mp make_pair
#define ll long long
const ll INF=1e18,N=1e7+5;
ll nxt[N],par[N];
int f(ll x){
	if(par[x]==x) return x;
	return par[x]=f(par[x]);
}
bool add(ll a, ll b){
	a=f(a),b=f(b);
	if(a==b) return 0;
	if(rand()%2) swap(a,b);
	par[a]=b;
	return 1;
}
void solve(){
	int n;cin>>n;
	vector<ll> p(n);
	for(int i=0;i<n;i++) cin>>p[i];
	sort(all(p));
	ll mx=0;
	for(int i=0;i<n;i++){
		nxt[p[i]]=p[i];
		mx=max(mx,p[i]);
		par[p[i]]=p[i];
	}
	for(int i=N-1;i>=0;i--){
		if(nxt[i]==0) nxt[i]=nxt[i+1];
	}
	vector<pair<int,pair<int,int> > > a;
	for(int i=0;i<n;i++){
		if(i && p[i]==p[i-1]) continue;
		//g[p[i]].pb(make_pair(p[i+1],p[i+1]%p[i]));
		a.pb(mp(p[i+1]%p[i],mp(p[i],p[i+1])));
		for(int j=p[i]*2;j<=mx;j+=p[i]){
			a.pb(mp(nxt[j]%p[i],mp(p[i],nxt[j])));
			//g[p[i]].pb(make_pair(nxt[j],nxt[j]%p[i]));
		}
	}
	sort(all(a));
	ll ans=0;
	for(auto it: a){
		cout<<it.sc.fr<<' '<<it.sc.sc<<' '<<it.fr;
		if(add(it.sc.fr,it.sc.sc)){
			ans+=it.fr;
			cout<<" <-";
		}
		cout<<endl;
	}
	cout<<ans<<endl;
}
int main(){
	solve();
}
# Verdict Execution time Memory Grader output
1 Incorrect 80 ms 157048 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 66 ms 78928 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 51 ms 157064 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1648 ms 117928 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 309 ms 92396 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3548 ms 149052 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 621 ms 92344 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2137 ms 196808 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2937 ms 210328 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 317 ms 162752 KB Output isn't correct
2 Halted 0 ms 0 KB -