oj.uz

Submission #487292

# Submission time Handle Problem Language Result Execution time Memory
487292 2021-11-15T04:24:08 Z hohohaha Minerals (JOI19_minerals) C++14
80 / 100
 66 ms 3960 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];
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int Ask(int x){
	mark[x]^=1;
	return ans=Query(x);
}
 
void divide(vi X, vi Y){
	if (SZ(X)==1){
		Answer(X[0], Y[0]);
		return ;
	}
	int sz=SZ(X), mid=sz/2;
	shuffle(all(Y), 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]);
	}
	for (int x:X1) if (!mark[x]) Ask(x);
	for (int x:X2) if (mark[x]) Ask(x);
	for (int y:Y){
		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 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
4 Correct 11 ms 968 KB Output is correct
5 Correct 26 ms 1564 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct
15 Correct 55 ms 3728 KB Output is correct
16 Correct 61 ms 3824 KB Output is correct
17 Correct 55 ms 3680 KB Output is correct
18 Correct 57 ms 3560 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct
15 Correct 55 ms 3728 KB Output is correct
16 Correct 61 ms 3824 KB Output is correct
17 Correct 55 ms 3680 KB Output is correct
18 Correct 57 ms 3560 KB Output is correct
19 Correct 56 ms 3784 KB Output is correct
20 Correct 63 ms 3832 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 58 ms 3604 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct
15 Correct 55 ms 3728 KB Output is correct
16 Correct 61 ms 3824 KB Output is correct
17 Correct 55 ms 3680 KB Output is correct
18 Correct 57 ms 3560 KB Output is correct
19 Correct 56 ms 3784 KB Output is correct
20 Correct 63 ms 3832 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 58 ms 3604 KB Output is correct
23 Correct 62 ms 3852 KB Output is correct
24 Correct 63 ms 3892 KB Output is correct
25 Correct 58 ms 3908 KB Output is correct
26 Correct 59 ms 3836 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct
15 Correct 55 ms 3728 KB Output is correct
16 Correct 61 ms 3824 KB Output is correct
17 Correct 55 ms 3680 KB Output is correct
18 Correct 57 ms 3560 KB Output is correct
19 Correct 56 ms 3784 KB Output is correct
20 Correct 63 ms 3832 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 58 ms 3604 KB Output is correct
23 Correct 62 ms 3852 KB Output is correct
24 Correct 63 ms 3892 KB Output is correct
25 Correct 58 ms 3908 KB Output is correct
26 Correct 59 ms 3836 KB Output is correct
27 Incorrect 66 ms 3960 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct
15 Correct 55 ms 3728 KB Output is correct
16 Correct 61 ms 3824 KB Output is correct
17 Correct 55 ms 3680 KB Output is correct
18 Correct 57 ms 3560 KB Output is correct
19 Correct 56 ms 3784 KB Output is correct
20 Correct 63 ms 3832 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 58 ms 3604 KB Output is correct
23 Correct 62 ms 3852 KB Output is correct
24 Correct 63 ms 3892 KB Output is correct
25 Correct 58 ms 3908 KB Output is correct
26 Correct 59 ms 3836 KB Output is correct
27 Incorrect 66 ms 3960 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 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 648 KB Output is correct
8 Correct 11 ms 968 KB Output is correct
9 Correct 26 ms 1564 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 12 ms 1236 KB Output is correct
12 Correct 19 ms 1624 KB Output is correct
13 Correct 19 ms 1632 KB Output is correct
14 Correct 19 ms 1480 KB Output is correct
15 Correct 55 ms 3728 KB Output is correct
16 Correct 61 ms 3824 KB Output is correct
17 Correct 55 ms 3680 KB Output is correct
18 Correct 57 ms 3560 KB Output is correct
19 Correct 56 ms 3784 KB Output is correct
20 Correct 63 ms 3832 KB Output is correct
21 Correct 57 ms 3768 KB Output is correct
22 Correct 58 ms 3604 KB Output is correct
23 Correct 62 ms 3852 KB Output is correct
24 Correct 63 ms 3892 KB Output is correct
25 Correct 58 ms 3908 KB Output is correct
26 Correct 59 ms 3836 KB Output is correct
27 Incorrect 66 ms 3960 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -