oj.uz

Submission #863251

# Submission time Handle Problem Language Result Execution time Memory
863251 2023-10-19T21:36:31 Z blacktulip Sirni (COCI17_sirni) C++17
28 / 140
 5000 ms 786432 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long lo;
 
#define fi first
#define se second
#define endl "\n"
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
#define _ << " " <<
 
const lo inf = 1000000000;
const lo li = 500005;
const lo mod = 1000000007;
 
int n,m,a[li],k,flag,t,fa[li],vis[10000005];
long long cev;
string s;
vector<pair<int,pair<int,int>>> v;
pair<int,int> vis2[10000005];
set<pair<int,int>> st;
 
inline int dsu(int x){
	if(x==fa[x])return x;
	return fa[x]=dsu(fa[x]);
}
 
int main(void){
	//~ fio();
	cin>>n;
	FOR{
		fa[i]=i;
		cin>>a[i];	
	}
	sort(a+1,a+n+1);
	if(a[1]==1){cout<<"0\n";return 0;}
	FOR st.insert({a[i],i});
	FOR{
		if(a[i]==a[i-1]){
			v.pb({0,{i-1,i}});
			continue;
		}
		if(vis[a[i]]){v.pb({0,{i,vis[a[i]]}});}
		int mn=1000000000;
		int ind=-1;
		for(int j=a[i];j<=10000000;j+=a[i]){
			if(!vis[j])vis[j]=i;
			if(vis2[j].fi!=0 && j!=a[i]){if(vis2[j-a[i]].se!=vis2[j].se || j-a[i]==a[i])v.pb({vis2[j].fi-j,{i,vis2[j].se}});continue;}
			auto it=st.lower_bound({j,-inf});
			if(j==a[i])it=st.upper_bound({j,inf});
			if(it!=st.end()){
				v.pb({it->fi-j,{it->se,i}});
				if(j!=a[i])vis2[j]=*it;
			}
		}
	}
	int last=0,ind=0,cnt=1;
	for(int i=1;i<=n;i++){
		while(cnt<a[i]){
			//~ cout<<vis[cnt]<<" () "<<a[i]<<endl;
			//~ if(vis[cnt] && vis[cnt]!=i){last=cnt;ind=vis[cnt];}
			if(vis[cnt]){last=cnt;ind=vis[cnt];}
			cnt++;
		}
		if(ind)v.pb({a[i]-last,{ind,i}});
	}
	sort(v.begin(),v.end());
	for(auto go:v){
		int co=go.fi;
		int x=go.se.fi;
		int y=go.se.se;
		//~ cout<<x<<" () "<<y<<" () "<<co<<endl;
		if(dsu(x)==dsu(y))continue;
		
		fa[dsu(x)]=dsu(y);
		cev+=co;
	}
	cout<<cev<<endl;
	return 0;
}

Compilation message

sirni.cpp: In function 'int main()':
sirni.cpp:49:7: warning: unused variable 'mn' [-Wunused-variable]
   49 |   int mn=1000000000;
      |       ^~
sirni.cpp:50:7: warning: unused variable 'ind' [-Wunused-variable]
   50 |   int ind=-1;
      |       ^~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 38544 KB Output is correct
2 Incorrect 407 ms 146960 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 265 ms 44052 KB Output is correct
2 Incorrect 1390 ms 319440 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 40536 KB Output is correct
2 Correct 14 ms 19808 KB Output is correct
3 Correct 35 ms 62356 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1561 ms 83428 KB Output is correct
2 Correct 4566 ms 156256 KB Output is correct
3 Correct 2413 ms 106968 KB Output is correct

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 189 ms 55236 KB Output is correct
2 Incorrect 3039 ms 107440 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3067 ms 107260 KB Output is correct
2 Execution timed out 5022 ms 157092 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1761 ms 54276 KB Output is correct
2 Execution timed out 5022 ms 156560 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 473 ms 152228 KB Output is correct
2 Execution timed out 5056 ms 521384 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 517 ms 152488 KB Output is correct
2 Runtime error 1772 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 114 ms 125892 KB Output is correct
2 Runtime error 1863 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -