Submission #836182

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
836182	2023-08-24T08:27:38 Z	gustason	Minerals (JOI19_minerals)	C++14	90 / 100	44 ms	3796 KB

minerals

#include <bits/stdc++.h>
#include "minerals.h"

using namespace std;

int last = 0;

bool ask(int x) {
	int now = Query(x);
	bool ar_naujas = (now != last);
	last = now;
	return ar_naujas;
}

#define p(x) cout << (#x) << ":\n";print(x)

void print(vector<int>& a) {
	for(int i : a) {
		cout << i << " ";
	} 
	cout << "\n";
}

void go(vector<int> pirmas, vector<int> antras, bool flag=false) {
	int n = pirmas.size(), m = (int) ceil((double) n * 0.4);
	//p(pirmas);
	//p(antras);
	
	assert(n != 0);
	if (n == 1) {
		Answer(pirmas[0], antras[0]);
		return;
	}
	
	if (flag) {
		m = n - m;
		for(int i = m; i < n; i++) {
			ask(pirmas[i]);
		}
	}
	else {
		for(int i = 0; i < m; i++) {
			ask(pirmas[i]);
		}
	}
	
	vector<int> naujas_pirmas, naujas_antras;
	random_shuffle(antras.begin(), antras.end());
	for(const auto& i : antras) {
		if ((int) naujas_pirmas.size() == n) {
			naujas_antras.push_back(i);
		}
		else if ((int) naujas_antras.size() == n-m) {
			naujas_pirmas.push_back(i);
		}
		else if (ask(i)) {
			naujas_antras.push_back(i);
		}
		else {
			naujas_pirmas.push_back(i);
		}
	}
	
	vector<int> half, other_half;
	for(int i = 0; i < n; i++) {
		if (i < m) {
			half.push_back(pirmas[i]);
		}
		else {
			other_half.push_back(pirmas[i]);
		}
	}
	
	//p(half);
	//p(naujas_pirmas);
	//p(other_half);
	//p(naujas_antras);
	
	go(half, naujas_pirmas, true);
	go(other_half, naujas_antras);
}

void Solve(int N) {
	vector<int> pirmas, antras;
	for(int i = 1; i <= 2*N; i++) {
		if (ask(i)) {
			pirmas.push_back(i);
		}
		else {
			antras.push_back(i);
		}
	}
	
	go(pirmas, antras, true);
}

Subtask #1
6.0 / 6.0

#	Verdict	Memory	Grader output
1	Correct	208 KB	Output is correct
2	Correct	208 KB	Output is correct
3	Correct	332 KB	Output is correct
4	Correct	208 KB	Output is correct

Subtask #2
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	336 KB	Output is correct
2	Correct	2 ms	464 KB	Output is correct
3	Correct	3 ms	592 KB	Output is correct
4	Correct	7 ms	976 KB	Output is correct
5	Correct	13 ms	1488 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct

Subtask #4
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct
15	Correct	35 ms	3412 KB	Output is correct
16	Correct	35 ms	3408 KB	Output is correct
17	Correct	35 ms	3356 KB	Output is correct
18	Correct	33 ms	3272 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct
15	Correct	35 ms	3412 KB	Output is correct
16	Correct	35 ms	3408 KB	Output is correct
17	Correct	35 ms	3356 KB	Output is correct
18	Correct	33 ms	3272 KB	Output is correct
19	Correct	41 ms	3536 KB	Output is correct
20	Correct	40 ms	3496 KB	Output is correct
21	Correct	35 ms	3504 KB	Output is correct
22	Correct	35 ms	3312 KB	Output is correct

Subtask #6
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct
15	Correct	35 ms	3412 KB	Output is correct
16	Correct	35 ms	3408 KB	Output is correct
17	Correct	35 ms	3356 KB	Output is correct
18	Correct	33 ms	3272 KB	Output is correct
19	Correct	41 ms	3536 KB	Output is correct
20	Correct	40 ms	3496 KB	Output is correct
21	Correct	35 ms	3504 KB	Output is correct
22	Correct	35 ms	3312 KB	Output is correct
23	Correct	37 ms	3592 KB	Output is correct
24	Correct	37 ms	3616 KB	Output is correct
25	Correct	40 ms	3536 KB	Output is correct
26	Correct	35 ms	3408 KB	Output is correct

Subtask #7
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct
15	Correct	35 ms	3412 KB	Output is correct
16	Correct	35 ms	3408 KB	Output is correct
17	Correct	35 ms	3356 KB	Output is correct
18	Correct	33 ms	3272 KB	Output is correct
19	Correct	41 ms	3536 KB	Output is correct
20	Correct	40 ms	3496 KB	Output is correct
21	Correct	35 ms	3504 KB	Output is correct
22	Correct	35 ms	3312 KB	Output is correct
23	Correct	37 ms	3592 KB	Output is correct
24	Correct	37 ms	3616 KB	Output is correct
25	Correct	40 ms	3536 KB	Output is correct
26	Correct	35 ms	3408 KB	Output is correct
27	Correct	38 ms	3792 KB	Output is correct
28	Correct	38 ms	3664 KB	Output is correct
29	Correct	37 ms	3732 KB	Output is correct
30	Correct	36 ms	3528 KB	Output is correct

Subtask #8
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct
15	Correct	35 ms	3412 KB	Output is correct
16	Correct	35 ms	3408 KB	Output is correct
17	Correct	35 ms	3356 KB	Output is correct
18	Correct	33 ms	3272 KB	Output is correct
19	Correct	41 ms	3536 KB	Output is correct
20	Correct	40 ms	3496 KB	Output is correct
21	Correct	35 ms	3504 KB	Output is correct
22	Correct	35 ms	3312 KB	Output is correct
23	Correct	37 ms	3592 KB	Output is correct
24	Correct	37 ms	3616 KB	Output is correct
25	Correct	40 ms	3536 KB	Output is correct
26	Correct	35 ms	3408 KB	Output is correct
27	Correct	38 ms	3792 KB	Output is correct
28	Correct	38 ms	3664 KB	Output is correct
29	Correct	37 ms	3732 KB	Output is correct
30	Correct	36 ms	3528 KB	Output is correct
31	Correct	44 ms	3792 KB	Output is correct
32	Correct	38 ms	3796 KB	Output is correct
33	Correct	37 ms	3776 KB	Output is correct
34	Correct	37 ms	3624 KB	Output is correct

Subtask #9
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	332 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	336 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	3 ms	592 KB	Output is correct
8	Correct	7 ms	976 KB	Output is correct
9	Correct	13 ms	1488 KB	Output is correct
10	Correct	1 ms	336 KB	Output is correct
11	Correct	10 ms	1232 KB	Output is correct
12	Correct	13 ms	1488 KB	Output is correct
13	Correct	14 ms	1488 KB	Output is correct
14	Correct	13 ms	1488 KB	Output is correct
15	Correct	35 ms	3412 KB	Output is correct
16	Correct	35 ms	3408 KB	Output is correct
17	Correct	35 ms	3356 KB	Output is correct
18	Correct	33 ms	3272 KB	Output is correct
19	Correct	41 ms	3536 KB	Output is correct
20	Correct	40 ms	3496 KB	Output is correct
21	Correct	35 ms	3504 KB	Output is correct
22	Correct	35 ms	3312 KB	Output is correct
23	Correct	37 ms	3592 KB	Output is correct
24	Correct	37 ms	3616 KB	Output is correct
25	Correct	40 ms	3536 KB	Output is correct
26	Correct	35 ms	3408 KB	Output is correct
27	Correct	38 ms	3792 KB	Output is correct
28	Correct	38 ms	3664 KB	Output is correct
29	Correct	37 ms	3732 KB	Output is correct
30	Correct	36 ms	3528 KB	Output is correct
31	Correct	44 ms	3792 KB	Output is correct
32	Correct	38 ms	3796 KB	Output is correct
33	Correct	37 ms	3776 KB	Output is correct
34	Correct	37 ms	3624 KB	Output is correct
35	Incorrect	41 ms	3792 KB	Wrong Answer [2]
36	Halted	0 ms	0 KB	-

Submission #836182

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