oj.uz

Submission #530326

# Submission time Handle Problem Language Result Execution time Memory
530326 2022-02-25T05:15:47 Z fhvirus Minerals (JOI19_minerals) C++17
85 / 100
 53 ms 3324 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

namespace {

bool query(int x) {
	static int lst = 0;
	int cur = Query(x);
	int ans = lst ^ cur;
	lst = cur;
	return ans;
}

void solve(vector<int> a, vector<int> b, bool in) {
	int n = a.size(), m = ceil(n * .38);
	if (n == 0) return;
	if (n == 1) { Answer(a[0], b[0]); return; }
	if (in) for (int i = n - 1; i >= m; --i) query(a[i]);
	else    for (int i = 0; i < m; ++i) query(a[i]);
	random_shuffle(begin(b), end(b));
	vector<int> bl, br;
	for (const int& i: b) {
		bool go_l = (bl.size() < m and (br.size() == n - m or !query(i)));
		(go_l ? bl : br).emplace_back(i);
	}
	solve(vector<int>(begin(a), begin(a) + m), bl, true);
	solve(vector<int>(begin(a) + m, end(a)), br, false);
}

}

void Solve(int N) {
	vector<int> a, b;
	for (int i = 1; i <= N * 2; ++i)
		(query(i) ? b : a).emplace_back(i);
	solve(a, b, true);
}

Compilation message

minerals.cpp: In function 'void {anonymous}::solve(std::vector<int>, std::vector<int>, bool)':
minerals.cpp:24:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |   bool go_l = (bl.size() < m and (br.size() == n - m or !query(i)));
      |                ~~~~~~~~~~^~~
minerals.cpp:24:45: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |   bool go_l = (bl.size() < m and (br.size() == n - m or !query(i)));
      |                                   ~~~~~~~~~~^~~~~~~~

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 584 KB Output is correct
4 Correct 8 ms 840 KB Output is correct
5 Correct 16 ms 1352 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 KB Output is correct
15 Correct 44 ms 2956 KB Output is correct
16 Correct 48 ms 2964 KB Output is correct
17 Correct 44 ms 2956 KB Output is correct
18 Correct 45 ms 2856 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 KB Output is correct
15 Correct 44 ms 2956 KB Output is correct
16 Correct 48 ms 2964 KB Output is correct
17 Correct 44 ms 2956 KB Output is correct
18 Correct 45 ms 2856 KB Output is correct
19 Correct 48 ms 3024 KB Output is correct
20 Correct 46 ms 3116 KB Output is correct
21 Correct 40 ms 3056 KB Output is correct
22 Correct 42 ms 3052 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 KB Output is correct
15 Correct 44 ms 2956 KB Output is correct
16 Correct 48 ms 2964 KB Output is correct
17 Correct 44 ms 2956 KB Output is correct
18 Correct 45 ms 2856 KB Output is correct
19 Correct 48 ms 3024 KB Output is correct
20 Correct 46 ms 3116 KB Output is correct
21 Correct 40 ms 3056 KB Output is correct
22 Correct 42 ms 3052 KB Output is correct
23 Correct 46 ms 3096 KB Output is correct
24 Correct 53 ms 3160 KB Output is correct
25 Correct 43 ms 3156 KB Output is correct
26 Correct 43 ms 2960 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 KB Output is correct
15 Correct 44 ms 2956 KB Output is correct
16 Correct 48 ms 2964 KB Output is correct
17 Correct 44 ms 2956 KB Output is correct
18 Correct 45 ms 2856 KB Output is correct
19 Correct 48 ms 3024 KB Output is correct
20 Correct 46 ms 3116 KB Output is correct
21 Correct 40 ms 3056 KB Output is correct
22 Correct 42 ms 3052 KB Output is correct
23 Correct 46 ms 3096 KB Output is correct
24 Correct 53 ms 3160 KB Output is correct
25 Correct 43 ms 3156 KB Output is correct
26 Correct 43 ms 2960 KB Output is correct
27 Correct 49 ms 3324 KB Output is correct
28 Correct 53 ms 3156 KB Output is correct
29 Correct 42 ms 3256 KB Output is correct
30 Correct 45 ms 3004 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 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 KB Output is correct
15 Correct 44 ms 2956 KB Output is correct
16 Correct 48 ms 2964 KB Output is correct
17 Correct 44 ms 2956 KB Output is correct
18 Correct 45 ms 2856 KB Output is correct
19 Correct 48 ms 3024 KB Output is correct
20 Correct 46 ms 3116 KB Output is correct
21 Correct 40 ms 3056 KB Output is correct
22 Correct 42 ms 3052 KB Output is correct
23 Correct 46 ms 3096 KB Output is correct
24 Correct 53 ms 3160 KB Output is correct
25 Correct 43 ms 3156 KB Output is correct
26 Correct 43 ms 2960 KB Output is correct
27 Correct 49 ms 3324 KB Output is correct
28 Correct 53 ms 3156 KB Output is correct
29 Correct 42 ms 3256 KB Output is correct
30 Correct 45 ms 3004 KB Output is correct
31 Incorrect 47 ms 3268 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 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 584 KB Output is correct
8 Correct 8 ms 840 KB Output is correct
9 Correct 16 ms 1352 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 10 ms 968 KB Output is correct
12 Correct 17 ms 1396 KB Output is correct
13 Correct 15 ms 1352 KB Output is correct
14 Correct 15 ms 1284 KB Output is correct
15 Correct 44 ms 2956 KB Output is correct
16 Correct 48 ms 2964 KB Output is correct
17 Correct 44 ms 2956 KB Output is correct
18 Correct 45 ms 2856 KB Output is correct
19 Correct 48 ms 3024 KB Output is correct
20 Correct 46 ms 3116 KB Output is correct
21 Correct 40 ms 3056 KB Output is correct
22 Correct 42 ms 3052 KB Output is correct
23 Correct 46 ms 3096 KB Output is correct
24 Correct 53 ms 3160 KB Output is correct
25 Correct 43 ms 3156 KB Output is correct
26 Correct 43 ms 2960 KB Output is correct
27 Correct 49 ms 3324 KB Output is correct
28 Correct 53 ms 3156 KB Output is correct
29 Correct 42 ms 3256 KB Output is correct
30 Correct 45 ms 3004 KB Output is correct
31 Incorrect 47 ms 3268 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -