oj.uz

Submission #433952

# Submission time Handle Problem Language Result Execution time Memory
433952 2021-06-20T12:37:36 Z alishahali1382 Minerals (JOI19_minerals) C++14
90 / 100
 97 ms 4184 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){
	mark[x]^=1;
	return ans=Query(x);
}
/*
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 ;
	}
	if (rng()%2) swap(X, Y);
	int sz=SZ(X), mid=sz/2;
	shuffle(all(Y), rng);
	sort(all(X), [](int i, int j){
		return mark[i]>mark[j];
	});
	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 x:X1) if (!mark[x]) Ask(x);
	for (int x:X2) if (mark[x]) Ask(x);

	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, P(2*n);
	iota(all(P), 1);
	shuffle(all(P), rng);
	for (int i:P){
		int last=ans;
		if (SZ(X)==n || Ask(i)==last) Y.pb(i);
		else X.pb(i);
	}
	divide(X, Y);
}

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 200 KB Output is correct
3 Correct 1 ms 200 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 2 ms 328 KB Output is correct
2 Correct 3 ms 456 KB Output is correct
3 Correct 7 ms 584 KB Output is correct
4 Correct 14 ms 840 KB Output is correct
5 Correct 29 ms 1440 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 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 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 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 KB Output is correct
15 Correct 86 ms 3760 KB Output is correct
16 Correct 81 ms 3840 KB Output is correct
17 Correct 82 ms 3704 KB Output is correct
18 Correct 81 ms 3612 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 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 KB Output is correct
15 Correct 86 ms 3760 KB Output is correct
16 Correct 81 ms 3840 KB Output is correct
17 Correct 82 ms 3704 KB Output is correct
18 Correct 81 ms 3612 KB Output is correct
19 Correct 88 ms 3776 KB Output is correct
20 Correct 90 ms 3924 KB Output is correct
21 Correct 82 ms 3796 KB Output is correct
22 Correct 93 ms 3600 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 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 KB Output is correct
15 Correct 86 ms 3760 KB Output is correct
16 Correct 81 ms 3840 KB Output is correct
17 Correct 82 ms 3704 KB Output is correct
18 Correct 81 ms 3612 KB Output is correct
19 Correct 88 ms 3776 KB Output is correct
20 Correct 90 ms 3924 KB Output is correct
21 Correct 82 ms 3796 KB Output is correct
22 Correct 93 ms 3600 KB Output is correct
23 Correct 90 ms 3904 KB Output is correct
24 Correct 87 ms 3892 KB Output is correct
25 Correct 89 ms 3960 KB Output is correct
26 Correct 85 ms 3736 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 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 KB Output is correct
15 Correct 86 ms 3760 KB Output is correct
16 Correct 81 ms 3840 KB Output is correct
17 Correct 82 ms 3704 KB Output is correct
18 Correct 81 ms 3612 KB Output is correct
19 Correct 88 ms 3776 KB Output is correct
20 Correct 90 ms 3924 KB Output is correct
21 Correct 82 ms 3796 KB Output is correct
22 Correct 93 ms 3600 KB Output is correct
23 Correct 90 ms 3904 KB Output is correct
24 Correct 87 ms 3892 KB Output is correct
25 Correct 89 ms 3960 KB Output is correct
26 Correct 85 ms 3736 KB Output is correct
27 Correct 89 ms 3904 KB Output is correct
28 Correct 94 ms 3936 KB Output is correct
29 Correct 97 ms 3908 KB Output is correct
30 Correct 94 ms 3816 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 KB Output is correct
15 Correct 86 ms 3760 KB Output is correct
16 Correct 81 ms 3840 KB Output is correct
17 Correct 82 ms 3704 KB Output is correct
18 Correct 81 ms 3612 KB Output is correct
19 Correct 88 ms 3776 KB Output is correct
20 Correct 90 ms 3924 KB Output is correct
21 Correct 82 ms 3796 KB Output is correct
22 Correct 93 ms 3600 KB Output is correct
23 Correct 90 ms 3904 KB Output is correct
24 Correct 87 ms 3892 KB Output is correct
25 Correct 89 ms 3960 KB Output is correct
26 Correct 85 ms 3736 KB Output is correct
27 Correct 89 ms 3904 KB Output is correct
28 Correct 94 ms 3936 KB Output is correct
29 Correct 97 ms 3908 KB Output is correct
30 Correct 94 ms 3816 KB Output is correct
31 Correct 89 ms 3944 KB Output is correct
32 Correct 89 ms 3948 KB Output is correct
33 Correct 86 ms 4056 KB Output is correct
34 Correct 88 ms 3940 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 456 KB Output is correct
7 Correct 7 ms 584 KB Output is correct
8 Correct 14 ms 840 KB Output is correct
9 Correct 29 ms 1440 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 19 ms 1224 KB Output is correct
12 Correct 30 ms 1568 KB Output is correct
13 Correct 29 ms 1608 KB Output is correct
14 Correct 29 ms 1524 KB Output is correct
15 Correct 86 ms 3760 KB Output is correct
16 Correct 81 ms 3840 KB Output is correct
17 Correct 82 ms 3704 KB Output is correct
18 Correct 81 ms 3612 KB Output is correct
19 Correct 88 ms 3776 KB Output is correct
20 Correct 90 ms 3924 KB Output is correct
21 Correct 82 ms 3796 KB Output is correct
22 Correct 93 ms 3600 KB Output is correct
23 Correct 90 ms 3904 KB Output is correct
24 Correct 87 ms 3892 KB Output is correct
25 Correct 89 ms 3960 KB Output is correct
26 Correct 85 ms 3736 KB Output is correct
27 Correct 89 ms 3904 KB Output is correct
28 Correct 94 ms 3936 KB Output is correct
29 Correct 97 ms 3908 KB Output is correct
30 Correct 94 ms 3816 KB Output is correct
31 Correct 89 ms 3944 KB Output is correct
32 Correct 89 ms 3948 KB Output is correct
33 Correct 86 ms 4056 KB Output is correct
34 Correct 88 ms 3940 KB Output is correct
35 Incorrect 92 ms 4184 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -