oj.uz

Submission #411236

# Submission time Handle Problem Language Result Execution time Memory
411236 2021-05-24T18:41:32 Z amoo_safar Minerals (JOI19_minerals) C++17
100 / 100
 83 ms 3892 KB 
#include "minerals.h"

#include <bits/stdc++.h>
#define pb push_back

using namespace std;

const int N = 1e5;

int mk[N];
int la = 0;
bool Ask(int u){
	mk[u] ^= 1;
	int res = Query(u);
	bool ch = la != res;
	la = res;
	return ch;
}

int norm(vector<int>& A){
	int c0 = 0;
	int c1 = 0;
	int n = A.size();
	for(auto x : A)
		(mk[x] ? c1 : c0) ++;
	return (n / 2) - min(c0, c1);
}

void normalize(vector<int>& A){
	int c0 = 0;
	int c1 = 0;
	int n = A.size();
	for(auto x : A)
		(mk[x] ? c1 : c0) ++;
	int mn = 0, cnt = c0;
	if(c0 > c1) mn = 1, cnt = c1;
	for(auto x : A){
		if(cnt == (n / 2)) break;
		if(mn == mk[x]) continue;
		cnt ++;
		Ask(x);
	}
}

void solve(vector<int> A, vector<int> B){
	assert(A.size() == B.size());
	// random_shuffle(A.begin(), A.end());
	// random_shuffle(B.begin(), B.end());
	int n = A.size();
	if(n == 1){
		Answer(A[0], B[0]);
		return ;
	}
	if(norm(A) > norm(B)) swap(A, B);
	normalize(A);
	sort(A.begin(), A.end(), [&](int i, int j){
		return mk[i] > mk[j];
	});

	int sz = 0;
	for(auto x : A) if(mk[x]) sz ++;

	vector<int> A2[2], B2[2];
	for(int i = 0; i < sz; i++) A2[0].pb(A[i]);
	for(int i = sz; i < n; i++) A2[1].pb(A[i]);

	for(auto x : B){
		if(A2[0].size() == B2[0].size()){
			B2[1].pb(x);
			continue;
		}
		if(A2[1].size() == B2[1].size()){
			B2[0].pb(x);
			continue;
		}
		bool fl = Ask(x);
		B2[fl ? 1 : 0].pb(x);
	}
	solve(A2[0], B2[0]);
	solve(A2[1], B2[1]);
}

void Solve(int n) {
	vector<int> A, B;
	for(int i = 1; i <= n + n; i++)
		if(Ask(i))
			A.pb(i);
		else
			B.pb(i);
	solve(A, B);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 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 328 KB Output is correct
3 Correct 5 ms 584 KB Output is correct
4 Correct 15 ms 840 KB Output is correct
5 Correct 27 ms 1540 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 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 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 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 KB Output is correct
15 Correct 66 ms 3500 KB Output is correct
16 Correct 72 ms 3528 KB Output is correct
17 Correct 58 ms 3260 KB Output is correct
18 Correct 54 ms 3336 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 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 KB Output is correct
15 Correct 66 ms 3500 KB Output is correct
16 Correct 72 ms 3528 KB Output is correct
17 Correct 58 ms 3260 KB Output is correct
18 Correct 54 ms 3336 KB Output is correct
19 Correct 61 ms 3460 KB Output is correct
20 Correct 62 ms 3584 KB Output is correct
21 Correct 59 ms 3352 KB Output is correct
22 Correct 56 ms 3188 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 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 KB Output is correct
15 Correct 66 ms 3500 KB Output is correct
16 Correct 72 ms 3528 KB Output is correct
17 Correct 58 ms 3260 KB Output is correct
18 Correct 54 ms 3336 KB Output is correct
19 Correct 61 ms 3460 KB Output is correct
20 Correct 62 ms 3584 KB Output is correct
21 Correct 59 ms 3352 KB Output is correct
22 Correct 56 ms 3188 KB Output is correct
23 Correct 67 ms 3664 KB Output is correct
24 Correct 64 ms 3648 KB Output is correct
25 Correct 57 ms 3504 KB Output is correct
26 Correct 64 ms 3264 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 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 KB Output is correct
15 Correct 66 ms 3500 KB Output is correct
16 Correct 72 ms 3528 KB Output is correct
17 Correct 58 ms 3260 KB Output is correct
18 Correct 54 ms 3336 KB Output is correct
19 Correct 61 ms 3460 KB Output is correct
20 Correct 62 ms 3584 KB Output is correct
21 Correct 59 ms 3352 KB Output is correct
22 Correct 56 ms 3188 KB Output is correct
23 Correct 67 ms 3664 KB Output is correct
24 Correct 64 ms 3648 KB Output is correct
25 Correct 57 ms 3504 KB Output is correct
26 Correct 64 ms 3264 KB Output is correct
27 Correct 82 ms 3604 KB Output is correct
28 Correct 65 ms 3548 KB Output is correct
29 Correct 57 ms 3616 KB Output is correct
30 Correct 64 ms 3532 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 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 KB Output is correct
15 Correct 66 ms 3500 KB Output is correct
16 Correct 72 ms 3528 KB Output is correct
17 Correct 58 ms 3260 KB Output is correct
18 Correct 54 ms 3336 KB Output is correct
19 Correct 61 ms 3460 KB Output is correct
20 Correct 62 ms 3584 KB Output is correct
21 Correct 59 ms 3352 KB Output is correct
22 Correct 56 ms 3188 KB Output is correct
23 Correct 67 ms 3664 KB Output is correct
24 Correct 64 ms 3648 KB Output is correct
25 Correct 57 ms 3504 KB Output is correct
26 Correct 64 ms 3264 KB Output is correct
27 Correct 82 ms 3604 KB Output is correct
28 Correct 65 ms 3548 KB Output is correct
29 Correct 57 ms 3616 KB Output is correct
30 Correct 64 ms 3532 KB Output is correct
31 Correct 70 ms 3892 KB Output is correct
32 Correct 73 ms 3692 KB Output is correct
33 Correct 58 ms 3844 KB Output is correct
34 Correct 59 ms 3508 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 3 ms 328 KB Output is correct
7 Correct 5 ms 584 KB Output is correct
8 Correct 15 ms 840 KB Output is correct
9 Correct 27 ms 1540 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 16 ms 1096 KB Output is correct
12 Correct 22 ms 1472 KB Output is correct
13 Correct 19 ms 1516 KB Output is correct
14 Correct 22 ms 1396 KB Output is correct
15 Correct 66 ms 3500 KB Output is correct
16 Correct 72 ms 3528 KB Output is correct
17 Correct 58 ms 3260 KB Output is correct
18 Correct 54 ms 3336 KB Output is correct
19 Correct 61 ms 3460 KB Output is correct
20 Correct 62 ms 3584 KB Output is correct
21 Correct 59 ms 3352 KB Output is correct
22 Correct 56 ms 3188 KB Output is correct
23 Correct 67 ms 3664 KB Output is correct
24 Correct 64 ms 3648 KB Output is correct
25 Correct 57 ms 3504 KB Output is correct
26 Correct 64 ms 3264 KB Output is correct
27 Correct 82 ms 3604 KB Output is correct
28 Correct 65 ms 3548 KB Output is correct
29 Correct 57 ms 3616 KB Output is correct
30 Correct 64 ms 3532 KB Output is correct
31 Correct 70 ms 3892 KB Output is correct
32 Correct 73 ms 3692 KB Output is correct
33 Correct 58 ms 3844 KB Output is correct
34 Correct 59 ms 3508 KB Output is correct
35 Correct 71 ms 3692 KB Output is correct
36 Correct 83 ms 3816 KB Output is correct
37 Correct 59 ms 3840 KB Output is correct
38 Correct 60 ms 3576 KB Output is correct