oj.uz

Submission #532949

# Submission time Handle Problem Language Result Execution time Memory
532949 2022-03-04T09:10:03 Z Koosha_mv Minerals (JOI19_minerals) C++14
85 / 100
 68 ms 4020 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],tof[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 && (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){
		if(ask(p[i])){
			A.pb(p[i]);
			tof[p[i]]=B.size();
		}
		else B.pb(p[i]);
	}
	//dbgv(A);
	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 && (b.size()==r-mid || ask(x)==0)) a.pb(x);
      |      ~~~~~~~~^~~~~~~
minerals.cpp:79:34: 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 && (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 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
3 Correct 4 ms 584 KB Output is correct
4 Correct 8 ms 968 KB Output is correct
5 Correct 16 ms 1584 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct
15 Correct 68 ms 3592 KB Output is correct
16 Correct 53 ms 3812 KB Output is correct
17 Correct 44 ms 3832 KB Output is correct
18 Correct 49 ms 3388 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct
15 Correct 68 ms 3592 KB Output is correct
16 Correct 53 ms 3812 KB Output is correct
17 Correct 44 ms 3832 KB Output is correct
18 Correct 49 ms 3388 KB Output is correct
19 Correct 48 ms 3684 KB Output is correct
20 Correct 51 ms 3992 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 53 ms 3636 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct
15 Correct 68 ms 3592 KB Output is correct
16 Correct 53 ms 3812 KB Output is correct
17 Correct 44 ms 3832 KB Output is correct
18 Correct 49 ms 3388 KB Output is correct
19 Correct 48 ms 3684 KB Output is correct
20 Correct 51 ms 3992 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 53 ms 3636 KB Output is correct
23 Correct 49 ms 3768 KB Output is correct
24 Correct 49 ms 3740 KB Output is correct
25 Correct 54 ms 3972 KB Output is correct
26 Correct 51 ms 3712 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct
15 Correct 68 ms 3592 KB Output is correct
16 Correct 53 ms 3812 KB Output is correct
17 Correct 44 ms 3832 KB Output is correct
18 Correct 49 ms 3388 KB Output is correct
19 Correct 48 ms 3684 KB Output is correct
20 Correct 51 ms 3992 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 53 ms 3636 KB Output is correct
23 Correct 49 ms 3768 KB Output is correct
24 Correct 49 ms 3740 KB Output is correct
25 Correct 54 ms 3972 KB Output is correct
26 Correct 51 ms 3712 KB Output is correct
27 Correct 56 ms 4020 KB Output is correct
28 Correct 65 ms 3836 KB Output is correct
29 Correct 48 ms 3800 KB Output is correct
30 Correct 50 ms 3656 KB Output is correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct
15 Correct 68 ms 3592 KB Output is correct
16 Correct 53 ms 3812 KB Output is correct
17 Correct 44 ms 3832 KB Output is correct
18 Correct 49 ms 3388 KB Output is correct
19 Correct 48 ms 3684 KB Output is correct
20 Correct 51 ms 3992 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 53 ms 3636 KB Output is correct
23 Correct 49 ms 3768 KB Output is correct
24 Correct 49 ms 3740 KB Output is correct
25 Correct 54 ms 3972 KB Output is correct
26 Correct 51 ms 3712 KB Output is correct
27 Correct 56 ms 4020 KB Output is correct
28 Correct 65 ms 3836 KB Output is correct
29 Correct 48 ms 3800 KB Output is correct
30 Correct 50 ms 3656 KB Output is correct
31 Incorrect 54 ms 3704 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 328 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 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 3 ms 456 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 8 ms 968 KB Output is correct
9 Correct 16 ms 1584 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 11 ms 1224 KB Output is correct
12 Correct 19 ms 1600 KB Output is correct
13 Correct 16 ms 1588 KB Output is correct
14 Correct 16 ms 1592 KB Output is correct
15 Correct 68 ms 3592 KB Output is correct
16 Correct 53 ms 3812 KB Output is correct
17 Correct 44 ms 3832 KB Output is correct
18 Correct 49 ms 3388 KB Output is correct
19 Correct 48 ms 3684 KB Output is correct
20 Correct 51 ms 3992 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 53 ms 3636 KB Output is correct
23 Correct 49 ms 3768 KB Output is correct
24 Correct 49 ms 3740 KB Output is correct
25 Correct 54 ms 3972 KB Output is correct
26 Correct 51 ms 3712 KB Output is correct
27 Correct 56 ms 4020 KB Output is correct
28 Correct 65 ms 3836 KB Output is correct
29 Correct 48 ms 3800 KB Output is correct
30 Correct 50 ms 3656 KB Output is correct
31 Incorrect 54 ms 3704 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -