oj.uz

Submission #502673

# Submission time Handle Problem Language Result Execution time Memory
502673 2022-01-06T12:25:40 Z sidon Minerals (JOI19_minerals) C++17
85 / 100
 58 ms 3288 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

const int LIM = 43e3;

int A[LIM], L, R = -1, last;

#define ask(Z) (last = Query(Z))

void dfs(int l, int r, vector<int> b, bool on) {
	if(r - l < 1) return;
	if(r - l < 2) return Answer(A[l], b[0]);

	int m = (l + r) / 2;
	if(r - m > m - l) ++m;

	for(int i = l; i < m; ++i)
		ask(A[i]);

	vector<int> bL, bR;

	for(int &i : b) {
		if((int)size(bL) == m - l) {
			bR.push_back(i);
			continue;
		}
		if((int)size(bR) == r - m) {
			bL.push_back(i);
			continue;
		}
		int prev = last;
		((prev == ask(i)) ^ on ? bL : bR).push_back(i);
	}

	dfs(l, m, bL, on ^ 1);
	dfs(m, r, bR, on);
}

void Solve(int N) {

	array<int, 2> s[N+N];
	for(unsigned int i = 0, j = 12345; int(i) < N + N; ++i)
		s[i] = {int((j *= 3) >> 1), int(i)+1};
	sort(s, s+N+N);

	vector<int> b;

	for(auto &[_, i] : s) {
		if(R == N - 1 || ask(i) < R + 2) {
			b.push_back(i);
		} else A[++R] = i;
	}
	dfs(0, N, b, 1);
}

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 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 3 ms 456 KB Output is correct
4 Correct 7 ms 732 KB Output is correct
5 Correct 13 ms 1224 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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 KB Output is correct
15 Correct 50 ms 3012 KB Output is correct
16 Correct 50 ms 3056 KB Output is correct
17 Correct 35 ms 2960 KB Output is correct
18 Correct 46 ms 2956 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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 KB Output is correct
15 Correct 50 ms 3012 KB Output is correct
16 Correct 50 ms 3056 KB Output is correct
17 Correct 35 ms 2960 KB Output is correct
18 Correct 46 ms 2956 KB Output is correct
19 Correct 58 ms 3140 KB Output is correct
20 Correct 53 ms 3144 KB Output is correct
21 Correct 36 ms 3004 KB Output is correct
22 Correct 41 ms 2876 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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 KB Output is correct
15 Correct 50 ms 3012 KB Output is correct
16 Correct 50 ms 3056 KB Output is correct
17 Correct 35 ms 2960 KB Output is correct
18 Correct 46 ms 2956 KB Output is correct
19 Correct 58 ms 3140 KB Output is correct
20 Correct 53 ms 3144 KB Output is correct
21 Correct 36 ms 3004 KB Output is correct
22 Correct 41 ms 2876 KB Output is correct
23 Correct 43 ms 3192 KB Output is correct
24 Correct 42 ms 3156 KB Output is correct
25 Correct 38 ms 3132 KB Output is correct
26 Correct 51 ms 3044 KB Output is correct

Subtask #7
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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 KB Output is correct
15 Correct 50 ms 3012 KB Output is correct
16 Correct 50 ms 3056 KB Output is correct
17 Correct 35 ms 2960 KB Output is correct
18 Correct 46 ms 2956 KB Output is correct
19 Correct 58 ms 3140 KB Output is correct
20 Correct 53 ms 3144 KB Output is correct
21 Correct 36 ms 3004 KB Output is correct
22 Correct 41 ms 2876 KB Output is correct
23 Correct 43 ms 3192 KB Output is correct
24 Correct 42 ms 3156 KB Output is correct
25 Correct 38 ms 3132 KB Output is correct
26 Correct 51 ms 3044 KB Output is correct
27 Correct 43 ms 3204 KB Output is correct
28 Correct 46 ms 3260 KB Output is correct
29 Correct 39 ms 3148 KB Output is correct
30 Correct 58 ms 3132 KB Output is correct

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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 KB Output is correct
15 Correct 50 ms 3012 KB Output is correct
16 Correct 50 ms 3056 KB Output is correct
17 Correct 35 ms 2960 KB Output is correct
18 Correct 46 ms 2956 KB Output is correct
19 Correct 58 ms 3140 KB Output is correct
20 Correct 53 ms 3144 KB Output is correct
21 Correct 36 ms 3004 KB Output is correct
22 Correct 41 ms 2876 KB Output is correct
23 Correct 43 ms 3192 KB Output is correct
24 Correct 42 ms 3156 KB Output is correct
25 Correct 38 ms 3132 KB Output is correct
26 Correct 51 ms 3044 KB Output is correct
27 Correct 43 ms 3204 KB Output is correct
28 Correct 46 ms 3260 KB Output is correct
29 Correct 39 ms 3148 KB Output is correct
30 Correct 58 ms 3132 KB Output is correct
31 Incorrect 48 ms 3288 KB Wrong Answer [2]
32 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 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 3 ms 456 KB Output is correct
8 Correct 7 ms 732 KB Output is correct
9 Correct 13 ms 1224 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 1016 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 20 ms 1320 KB Output is correct
15 Correct 50 ms 3012 KB Output is correct
16 Correct 50 ms 3056 KB Output is correct
17 Correct 35 ms 2960 KB Output is correct
18 Correct 46 ms 2956 KB Output is correct
19 Correct 58 ms 3140 KB Output is correct
20 Correct 53 ms 3144 KB Output is correct
21 Correct 36 ms 3004 KB Output is correct
22 Correct 41 ms 2876 KB Output is correct
23 Correct 43 ms 3192 KB Output is correct
24 Correct 42 ms 3156 KB Output is correct
25 Correct 38 ms 3132 KB Output is correct
26 Correct 51 ms 3044 KB Output is correct
27 Correct 43 ms 3204 KB Output is correct
28 Correct 46 ms 3260 KB Output is correct
29 Correct 39 ms 3148 KB Output is correct
30 Correct 58 ms 3132 KB Output is correct
31 Incorrect 48 ms 3288 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -