답안 #433908

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
433908 2021-06-20T12:08:33 Z alishahali1382 Minerals (JOI19_minerals) C++14
40 / 100
225 ms 6968 KB
#include "minerals.h"
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef vector<int> vi;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define SZ(x) ((int)x.size())

const int inf=1000000010;
const ll INF=1000000000000001000LL;
const int mod=1000000007;
const int MAXN=100010, LOG=20;

int n, m, k, u, v, x, y, a, b, t, ans;
int mark[MAXN], shit;
set<int> On;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int Ask(int x){
	// cerr<<"Ask "<<x<<"\n";
	auto it=On.find(x);
	if (it==On.end()) On.insert(x);
	else On.erase(it);
	return ans=Query(x);
}
bool IsOn(int x){ return On.find(x)!=On.end();}
void Set(vi vec){
	shit++;
	for (int x:vec){
		mark[x]=shit;
		if (!IsOn(x)) Ask(x);
	}
	vi rem;
	for (int x:On) if (mark[x]!=shit) rem.pb(x);
	for (int x:rem) Ask(x);
}

void divide(vi X, vi Y){
	assert(SZ(X)==SZ(Y));
	if (SZ(X)==1){
		Answer(X[0], Y[0]);
		return ;
	}
	int sz=SZ(X), mid=sz/2;
	shuffle(all(X), rng);
	vi X1, X2, Y1, Y2;
	for (int i=0; i<sz; i++){
		if (i<mid) X1.pb(X[i]);
		else X2.pb(X[i]);
	}
	Set(X1);
	for (int y:Y){
		if (SZ(Y1)==mid) Y2.pb(y);
		else if (SZ(Y2)==sz-mid) Y1.pb(y);
		else{
			int last=ans;
			if (Ask(y)==last) Y1.pb(y);
			else Y2.pb(y);
		}
	}
	divide(X1, Y1);
	divide(X2, Y2);
}

void Solve(int _n){
	n=_n;
	vi X, Y;
	for (int i=1; i<=2*n; i++){
		int last=ans;
		if (Ask(i)==last) Y.pb(i);
		else X.pb(i);
	}
	divide(X, Y);
}

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 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 7 ms 456 KB Output is correct
2 Correct 10 ms 644 KB Output is correct
3 Correct 22 ms 956 KB Output is correct
4 Correct 49 ms 1532 KB Output is correct
5 Correct 100 ms 2652 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
15 Incorrect 225 ms 6968 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
15 Incorrect 225 ms 6968 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
15 Incorrect 225 ms 6968 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
15 Incorrect 225 ms 6968 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
15 Incorrect 225 ms 6968 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 7 ms 456 KB Output is correct
6 Correct 10 ms 644 KB Output is correct
7 Correct 22 ms 956 KB Output is correct
8 Correct 49 ms 1532 KB Output is correct
9 Correct 100 ms 2652 KB Output is correct
10 Correct 7 ms 476 KB Output is correct
11 Correct 84 ms 2024 KB Output is correct
12 Correct 123 ms 2836 KB Output is correct
13 Correct 127 ms 2936 KB Output is correct
14 Correct 100 ms 2632 KB Output is correct
15 Incorrect 225 ms 6968 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -