oj.uz

Submission #502704

# Submission time Handle Problem Language Result Execution time Memory
502704 2022-01-06T13:19:04 Z sidon Minerals (JOI19_minerals) C++17
90 / 100
 50 ms 3412 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(l < m-1 && m - l == r - m) --m;
	if(l < m-1 && m - l + 1 == r - m) --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 0 ms 200 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 328 KB Output is correct
3 Correct 4 ms 456 KB Output is correct
4 Correct 7 ms 844 KB Output is correct
5 Correct 17 ms 1308 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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 KB Output is correct
15 Correct 45 ms 3072 KB Output is correct
16 Correct 41 ms 3012 KB Output is correct
17 Correct 36 ms 3052 KB Output is correct
18 Correct 40 ms 2860 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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 KB Output is correct
15 Correct 45 ms 3072 KB Output is correct
16 Correct 41 ms 3012 KB Output is correct
17 Correct 36 ms 3052 KB Output is correct
18 Correct 40 ms 2860 KB Output is correct
19 Correct 43 ms 3148 KB Output is correct
20 Correct 43 ms 3132 KB Output is correct
21 Correct 36 ms 3104 KB Output is correct
22 Correct 40 ms 3004 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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 KB Output is correct
15 Correct 45 ms 3072 KB Output is correct
16 Correct 41 ms 3012 KB Output is correct
17 Correct 36 ms 3052 KB Output is correct
18 Correct 40 ms 2860 KB Output is correct
19 Correct 43 ms 3148 KB Output is correct
20 Correct 43 ms 3132 KB Output is correct
21 Correct 36 ms 3104 KB Output is correct
22 Correct 40 ms 3004 KB Output is correct
23 Correct 42 ms 3228 KB Output is correct
24 Correct 42 ms 3148 KB Output is correct
25 Correct 39 ms 3136 KB Output is correct
26 Correct 46 ms 3204 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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 KB Output is correct
15 Correct 45 ms 3072 KB Output is correct
16 Correct 41 ms 3012 KB Output is correct
17 Correct 36 ms 3052 KB Output is correct
18 Correct 40 ms 2860 KB Output is correct
19 Correct 43 ms 3148 KB Output is correct
20 Correct 43 ms 3132 KB Output is correct
21 Correct 36 ms 3104 KB Output is correct
22 Correct 40 ms 3004 KB Output is correct
23 Correct 42 ms 3228 KB Output is correct
24 Correct 42 ms 3148 KB Output is correct
25 Correct 39 ms 3136 KB Output is correct
26 Correct 46 ms 3204 KB Output is correct
27 Correct 50 ms 3292 KB Output is correct
28 Correct 50 ms 3300 KB Output is correct
29 Correct 38 ms 3148 KB Output is correct
30 Correct 44 ms 3148 KB Output is correct

Subtask #8
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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 KB Output is correct
15 Correct 45 ms 3072 KB Output is correct
16 Correct 41 ms 3012 KB Output is correct
17 Correct 36 ms 3052 KB Output is correct
18 Correct 40 ms 2860 KB Output is correct
19 Correct 43 ms 3148 KB Output is correct
20 Correct 43 ms 3132 KB Output is correct
21 Correct 36 ms 3104 KB Output is correct
22 Correct 40 ms 3004 KB Output is correct
23 Correct 42 ms 3228 KB Output is correct
24 Correct 42 ms 3148 KB Output is correct
25 Correct 39 ms 3136 KB Output is correct
26 Correct 46 ms 3204 KB Output is correct
27 Correct 50 ms 3292 KB Output is correct
28 Correct 50 ms 3300 KB Output is correct
29 Correct 38 ms 3148 KB Output is correct
30 Correct 44 ms 3148 KB Output is correct
31 Correct 46 ms 3360 KB Output is correct
32 Correct 50 ms 3284 KB Output is correct
33 Correct 40 ms 3300 KB Output is correct
34 Correct 47 ms 3156 KB Output is correct

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 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 456 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 17 ms 1308 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 13 ms 968 KB Output is correct
12 Correct 15 ms 1312 KB Output is correct
13 Correct 16 ms 1272 KB Output is correct
14 Correct 16 ms 1328 KB Output is correct
15 Correct 45 ms 3072 KB Output is correct
16 Correct 41 ms 3012 KB Output is correct
17 Correct 36 ms 3052 KB Output is correct
18 Correct 40 ms 2860 KB Output is correct
19 Correct 43 ms 3148 KB Output is correct
20 Correct 43 ms 3132 KB Output is correct
21 Correct 36 ms 3104 KB Output is correct
22 Correct 40 ms 3004 KB Output is correct
23 Correct 42 ms 3228 KB Output is correct
24 Correct 42 ms 3148 KB Output is correct
25 Correct 39 ms 3136 KB Output is correct
26 Correct 46 ms 3204 KB Output is correct
27 Correct 50 ms 3292 KB Output is correct
28 Correct 50 ms 3300 KB Output is correct
29 Correct 38 ms 3148 KB Output is correct
30 Correct 44 ms 3148 KB Output is correct
31 Correct 46 ms 3360 KB Output is correct
32 Correct 50 ms 3284 KB Output is correct
33 Correct 40 ms 3300 KB Output is correct
34 Correct 47 ms 3156 KB Output is correct
35 Incorrect 47 ms 3412 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -