답안 #532953

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
532953 2022-03-04T09:13:09 Z Koosha_mv Minerals (JOI19_minerals) C++14
85 / 100
65 ms 3860 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 && tof[x]<mid && (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]);
	}
	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 && tof[x]<mid && (b.size()==r-mid || ask(x)==0)) a.pb(x);
      |      ~~~~~~~~^~~~~~~
minerals.cpp:79:48: 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 && tof[x]<mid && (b.size()==r-mid || ask(x)==0)) a.pb(x);
      |                                        ~~~~~~~~^~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
# 결과 실행 시간 메모리 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 10 ms 968 KB Output is correct
5 Correct 19 ms 1532 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
15 Correct 54 ms 3716 KB Output is correct
16 Correct 65 ms 3680 KB Output is correct
17 Correct 55 ms 3632 KB Output is correct
18 Correct 58 ms 3476 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
15 Correct 54 ms 3716 KB Output is correct
16 Correct 65 ms 3680 KB Output is correct
17 Correct 55 ms 3632 KB Output is correct
18 Correct 58 ms 3476 KB Output is correct
19 Correct 59 ms 3804 KB Output is correct
20 Correct 56 ms 3748 KB Output is correct
21 Correct 61 ms 3656 KB Output is correct
22 Correct 57 ms 3504 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
15 Correct 54 ms 3716 KB Output is correct
16 Correct 65 ms 3680 KB Output is correct
17 Correct 55 ms 3632 KB Output is correct
18 Correct 58 ms 3476 KB Output is correct
19 Correct 59 ms 3804 KB Output is correct
20 Correct 56 ms 3748 KB Output is correct
21 Correct 61 ms 3656 KB Output is correct
22 Correct 57 ms 3504 KB Output is correct
23 Correct 59 ms 3788 KB Output is correct
24 Correct 61 ms 3728 KB Output is correct
25 Correct 65 ms 3792 KB Output is correct
26 Correct 60 ms 3504 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
15 Correct 54 ms 3716 KB Output is correct
16 Correct 65 ms 3680 KB Output is correct
17 Correct 55 ms 3632 KB Output is correct
18 Correct 58 ms 3476 KB Output is correct
19 Correct 59 ms 3804 KB Output is correct
20 Correct 56 ms 3748 KB Output is correct
21 Correct 61 ms 3656 KB Output is correct
22 Correct 57 ms 3504 KB Output is correct
23 Correct 59 ms 3788 KB Output is correct
24 Correct 61 ms 3728 KB Output is correct
25 Correct 65 ms 3792 KB Output is correct
26 Correct 60 ms 3504 KB Output is correct
27 Correct 63 ms 3836 KB Output is correct
28 Correct 60 ms 3824 KB Output is correct
29 Correct 61 ms 3860 KB Output is correct
30 Correct 64 ms 3656 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
15 Correct 54 ms 3716 KB Output is correct
16 Correct 65 ms 3680 KB Output is correct
17 Correct 55 ms 3632 KB Output is correct
18 Correct 58 ms 3476 KB Output is correct
19 Correct 59 ms 3804 KB Output is correct
20 Correct 56 ms 3748 KB Output is correct
21 Correct 61 ms 3656 KB Output is correct
22 Correct 57 ms 3504 KB Output is correct
23 Correct 59 ms 3788 KB Output is correct
24 Correct 61 ms 3728 KB Output is correct
25 Correct 65 ms 3792 KB Output is correct
26 Correct 60 ms 3504 KB Output is correct
27 Correct 63 ms 3836 KB Output is correct
28 Correct 60 ms 3824 KB Output is correct
29 Correct 61 ms 3860 KB Output is correct
30 Correct 64 ms 3656 KB Output is correct
31 Incorrect 57 ms 3668 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 328 KB Output is correct
2 Correct 1 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 10 ms 968 KB Output is correct
9 Correct 19 ms 1532 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 17 ms 1232 KB Output is correct
12 Correct 22 ms 1548 KB Output is correct
13 Correct 18 ms 1652 KB Output is correct
14 Correct 21 ms 1556 KB Output is correct
15 Correct 54 ms 3716 KB Output is correct
16 Correct 65 ms 3680 KB Output is correct
17 Correct 55 ms 3632 KB Output is correct
18 Correct 58 ms 3476 KB Output is correct
19 Correct 59 ms 3804 KB Output is correct
20 Correct 56 ms 3748 KB Output is correct
21 Correct 61 ms 3656 KB Output is correct
22 Correct 57 ms 3504 KB Output is correct
23 Correct 59 ms 3788 KB Output is correct
24 Correct 61 ms 3728 KB Output is correct
25 Correct 65 ms 3792 KB Output is correct
26 Correct 60 ms 3504 KB Output is correct
27 Correct 63 ms 3836 KB Output is correct
28 Correct 60 ms 3824 KB Output is correct
29 Correct 61 ms 3860 KB Output is correct
30 Correct 64 ms 3656 KB Output is correct
31 Incorrect 57 ms 3668 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -