oj.uz

Submission #502711

# Submission time Handle Problem Language Result Execution time Memory
502711 2022-01-06T13:34:10 Z sidon Minerals (JOI19_minerals) C++17
90 / 100
 57 ms 3380 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;
	if(l < m-1 && m - l + 2 == 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 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 1 ms 328 KB Output is correct
2 Correct 2 ms 328 KB Output is correct
3 Correct 4 ms 584 KB Output is correct
4 Correct 10 ms 840 KB Output is correct
5 Correct 14 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 KB Output is correct
15 Correct 46 ms 3080 KB Output is correct
16 Correct 46 ms 3088 KB Output is correct
17 Correct 37 ms 2940 KB Output is correct
18 Correct 40 ms 2908 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 KB Output is correct
15 Correct 46 ms 3080 KB Output is correct
16 Correct 46 ms 3088 KB Output is correct
17 Correct 37 ms 2940 KB Output is correct
18 Correct 40 ms 2908 KB Output is correct
19 Correct 48 ms 3148 KB Output is correct
20 Correct 57 ms 3144 KB Output is correct
21 Correct 40 ms 3064 KB Output is correct
22 Correct 41 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 KB Output is correct
15 Correct 46 ms 3080 KB Output is correct
16 Correct 46 ms 3088 KB Output is correct
17 Correct 37 ms 2940 KB Output is correct
18 Correct 40 ms 2908 KB Output is correct
19 Correct 48 ms 3148 KB Output is correct
20 Correct 57 ms 3144 KB Output is correct
21 Correct 40 ms 3064 KB Output is correct
22 Correct 41 ms 3004 KB Output is correct
23 Correct 52 ms 3204 KB Output is correct
24 Correct 45 ms 3232 KB Output is correct
25 Correct 37 ms 3180 KB Output is correct
26 Correct 42 ms 2996 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 KB Output is correct
15 Correct 46 ms 3080 KB Output is correct
16 Correct 46 ms 3088 KB Output is correct
17 Correct 37 ms 2940 KB Output is correct
18 Correct 40 ms 2908 KB Output is correct
19 Correct 48 ms 3148 KB Output is correct
20 Correct 57 ms 3144 KB Output is correct
21 Correct 40 ms 3064 KB Output is correct
22 Correct 41 ms 3004 KB Output is correct
23 Correct 52 ms 3204 KB Output is correct
24 Correct 45 ms 3232 KB Output is correct
25 Correct 37 ms 3180 KB Output is correct
26 Correct 42 ms 2996 KB Output is correct
27 Correct 49 ms 3288 KB Output is correct
28 Correct 47 ms 3276 KB Output is correct
29 Correct 44 ms 3160 KB Output is correct
30 Correct 44 ms 3120 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 KB Output is correct
15 Correct 46 ms 3080 KB Output is correct
16 Correct 46 ms 3088 KB Output is correct
17 Correct 37 ms 2940 KB Output is correct
18 Correct 40 ms 2908 KB Output is correct
19 Correct 48 ms 3148 KB Output is correct
20 Correct 57 ms 3144 KB Output is correct
21 Correct 40 ms 3064 KB Output is correct
22 Correct 41 ms 3004 KB Output is correct
23 Correct 52 ms 3204 KB Output is correct
24 Correct 45 ms 3232 KB Output is correct
25 Correct 37 ms 3180 KB Output is correct
26 Correct 42 ms 2996 KB Output is correct
27 Correct 49 ms 3288 KB Output is correct
28 Correct 47 ms 3276 KB Output is correct
29 Correct 44 ms 3160 KB Output is correct
30 Correct 44 ms 3120 KB Output is correct
31 Correct 46 ms 3304 KB Output is correct
32 Correct 52 ms 3380 KB Output is correct
33 Correct 45 ms 3320 KB Output is correct
34 Correct 45 ms 3272 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 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 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 10 ms 840 KB Output is correct
9 Correct 14 ms 1224 KB Output is correct
10 Correct 2 ms 328 KB Output is correct
11 Correct 12 ms 968 KB Output is correct
12 Correct 15 ms 1380 KB Output is correct
13 Correct 15 ms 1380 KB Output is correct
14 Correct 15 ms 1280 KB Output is correct
15 Correct 46 ms 3080 KB Output is correct
16 Correct 46 ms 3088 KB Output is correct
17 Correct 37 ms 2940 KB Output is correct
18 Correct 40 ms 2908 KB Output is correct
19 Correct 48 ms 3148 KB Output is correct
20 Correct 57 ms 3144 KB Output is correct
21 Correct 40 ms 3064 KB Output is correct
22 Correct 41 ms 3004 KB Output is correct
23 Correct 52 ms 3204 KB Output is correct
24 Correct 45 ms 3232 KB Output is correct
25 Correct 37 ms 3180 KB Output is correct
26 Correct 42 ms 2996 KB Output is correct
27 Correct 49 ms 3288 KB Output is correct
28 Correct 47 ms 3276 KB Output is correct
29 Correct 44 ms 3160 KB Output is correct
30 Correct 44 ms 3120 KB Output is correct
31 Correct 46 ms 3304 KB Output is correct
32 Correct 52 ms 3380 KB Output is correct
33 Correct 45 ms 3320 KB Output is correct
34 Correct 45 ms 3272 KB Output is correct
35 Incorrect 47 ms 3328 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -