oj.uz

Submission #532970

# Submission time Handle Problem Language Result Execution time Memory
532970 2022-03-04T09:30:16 Z Koosha_mv Minerals (JOI19_minerals) C++14
85 / 100
 65 ms 3988 KB 
#include <bits/stdc++.h>
#include <algorithm>
#include <chrono>
#include <iostream>
#include <random>
#include <vector>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
#include "minerals.h"

mt19937 rndm(chrono::steady_clock::now().time_since_epoch().count());

const int N=2e5+99;

int n,last,prt,Q,dft,a[N],s[N],t[N],L[N],R[N],ps[N],mark[N];
vector<pair<int,int>> Ans;
vector<int> pos,A,B;
/*
void Answer(int a, int b){
	//cout<<a<<" edge "<<b<<endl;
}
int Query(int x){
	Q++;
	if(mark[x]==1) dft+=(mark[a[x]]==0);
	else dft-=(mark[a[x]]==0);
	//cout<<"? "<<x<<" "<<res<<endl;
	return dft;
}
*/
bool ask(int x){
	mark[x]^=1;
	int p=Query(x),res=(p!=last);
	last=p;
	return res;
}
void get(int l,int r){
	for(auto x : pos){
		if(x<l || r<=x){
			prt++;
			ask(B[x]);
		} 
	} 
	pos.clear();
	f(i,l,r){
		pos.pb(i);
		if(!mark[B[i]]) ask(B[i]),prt++;
	}
	//cout<<l<<" "<<r<<" "<<prt<<endl;
}
void solve(int l,int r,vector<int> &vec){
	//cout<<l<<" "<<r<<endl;
	shuffle(all(vec),rndm);
	if(l+1==r){
		Ans.pb({vec[0],B[l]});
		return ;
	}
	vector<int> a,b;
	int mid=(l+r+1)>>1;
	get(l,mid);
	for(auto x : vec){
		if(a.size()!=mid-l && ps[x]<ps[B[mid-1]] && (b.size()==r-mid || ask(x)==0)) a.pb(x);
		else b.pb(x);
	}
	solve(l,mid,a);
	solve(mid,r,b);
}
void Solve(int N){
	n=N;
	vector<int> p(2*n);
	iota(all(p),1);
	shuffle(all(p),rndm);
	f(i,0,2*n){
		ps[p[i]]=i;
		if(ask(p[i])){
			A.pb(p[i]);
		}
		else B.pb(p[i]);
	}
	f(i,0,n) pos.pb(i);
	solve(0,n,A);
	for(auto p : Ans){
		Answer(p.F,p.S);
	}
}
/*
4
1 4
2 5
3 6
7 8

prt1=656454
prt2=
*/
/*
main(){
	int n;
	cin>>n;
	f(i,1,n+1){
		s[i]=i,t[i]=i+n;
		//cin>>s[i]>>t[i];
		a[s[i]]=t[i];
		a[t[i]]=s[i];
	}
	Solve(n);
	eror(prt);
	eror(Q);
}
*/

Compilation message

minerals.cpp: In function 'void solve(int, int, std::vector<int>&)':
minerals.cpp:79:14: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   79 |   if(a.size()!=mid-l && ps[x]<ps[B[mid-1]] && (b.size()==r-mid || ask(x)==0)) a.pb(x);
      |      ~~~~~~~~^~~~~~~
minerals.cpp:79:56: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   79 |   if(a.size()!=mid-l && ps[x]<ps[B[mid-1]] && (b.size()==r-mid || ask(x)==0)) a.pb(x);
      |                                                ~~~~~~~~^~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 2 ms 456 KB Output is correct
3 Correct 5 ms 584 KB Output is correct
4 Correct 11 ms 968 KB Output is correct
5 Correct 19 ms 1588 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct
15 Correct 60 ms 3656 KB Output is correct
16 Correct 52 ms 3516 KB Output is correct
17 Correct 52 ms 3616 KB Output is correct
18 Correct 55 ms 3492 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct
15 Correct 60 ms 3656 KB Output is correct
16 Correct 52 ms 3516 KB Output is correct
17 Correct 52 ms 3616 KB Output is correct
18 Correct 55 ms 3492 KB Output is correct
19 Correct 55 ms 3744 KB Output is correct
20 Correct 61 ms 3712 KB Output is correct
21 Correct 54 ms 3728 KB Output is correct
22 Correct 56 ms 3520 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct
15 Correct 60 ms 3656 KB Output is correct
16 Correct 52 ms 3516 KB Output is correct
17 Correct 52 ms 3616 KB Output is correct
18 Correct 55 ms 3492 KB Output is correct
19 Correct 55 ms 3744 KB Output is correct
20 Correct 61 ms 3712 KB Output is correct
21 Correct 54 ms 3728 KB Output is correct
22 Correct 56 ms 3520 KB Output is correct
23 Correct 64 ms 3988 KB Output is correct
24 Correct 57 ms 3820 KB Output is correct
25 Correct 58 ms 3916 KB Output is correct
26 Correct 56 ms 3568 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct
15 Correct 60 ms 3656 KB Output is correct
16 Correct 52 ms 3516 KB Output is correct
17 Correct 52 ms 3616 KB Output is correct
18 Correct 55 ms 3492 KB Output is correct
19 Correct 55 ms 3744 KB Output is correct
20 Correct 61 ms 3712 KB Output is correct
21 Correct 54 ms 3728 KB Output is correct
22 Correct 56 ms 3520 KB Output is correct
23 Correct 64 ms 3988 KB Output is correct
24 Correct 57 ms 3820 KB Output is correct
25 Correct 58 ms 3916 KB Output is correct
26 Correct 56 ms 3568 KB Output is correct
27 Correct 55 ms 3836 KB Output is correct
28 Correct 65 ms 3884 KB Output is correct
29 Correct 63 ms 3896 KB Output is correct
30 Correct 65 ms 3656 KB Output is correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct
15 Correct 60 ms 3656 KB Output is correct
16 Correct 52 ms 3516 KB Output is correct
17 Correct 52 ms 3616 KB Output is correct
18 Correct 55 ms 3492 KB Output is correct
19 Correct 55 ms 3744 KB Output is correct
20 Correct 61 ms 3712 KB Output is correct
21 Correct 54 ms 3728 KB Output is correct
22 Correct 56 ms 3520 KB Output is correct
23 Correct 64 ms 3988 KB Output is correct
24 Correct 57 ms 3820 KB Output is correct
25 Correct 58 ms 3916 KB Output is correct
26 Correct 56 ms 3568 KB Output is correct
27 Correct 55 ms 3836 KB Output is correct
28 Correct 65 ms 3884 KB Output is correct
29 Correct 63 ms 3896 KB Output is correct
30 Correct 65 ms 3656 KB Output is correct
31 Incorrect 57 ms 3800 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 19 ms 1588 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 15 ms 1220 KB Output is correct
12 Correct 20 ms 1640 KB Output is correct
13 Correct 28 ms 1684 KB Output is correct
14 Correct 19 ms 1484 KB Output is correct
15 Correct 60 ms 3656 KB Output is correct
16 Correct 52 ms 3516 KB Output is correct
17 Correct 52 ms 3616 KB Output is correct
18 Correct 55 ms 3492 KB Output is correct
19 Correct 55 ms 3744 KB Output is correct
20 Correct 61 ms 3712 KB Output is correct
21 Correct 54 ms 3728 KB Output is correct
22 Correct 56 ms 3520 KB Output is correct
23 Correct 64 ms 3988 KB Output is correct
24 Correct 57 ms 3820 KB Output is correct
25 Correct 58 ms 3916 KB Output is correct
26 Correct 56 ms 3568 KB Output is correct
27 Correct 55 ms 3836 KB Output is correct
28 Correct 65 ms 3884 KB Output is correct
29 Correct 63 ms 3896 KB Output is correct
30 Correct 65 ms 3656 KB Output is correct
31 Incorrect 57 ms 3800 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -