oj.uz

Submission #250195

# Submission time Handle Problem Language Result Execution time Memory
250195 2020-07-17T06:41:14 Z shenxy Minerals (JOI19_minerals) C++14
100 / 100
 49 ms 2544 KB 
#include "minerals.h"
#include <algorithm>
#include <vector>
using namespace std;
vector<int> firsts, ans;
int lquery = 0;
void recurse(vector<int> &v, int l, int r, bool has = true) {
	if (l != r) {
		int m = l + (r - l) * 0.38;
		for (int i = l; i <= m; ++i) lquery = Query(firsts[i]);
		vector<int> a, b;
		for (int i: v) {
			if (a.size() != m - l + 1 && b.size() != r - m) {
				int x = Query(i);
				if (has == (x != lquery)) a.push_back(i);
				else b.push_back(i);
				if (x != lquery) lquery = x;
			} else if (a.size() != m - l + 1) a.push_back(i);
			else b.push_back(i);
		}
		recurse(a, l, m, !has);
		recurse(b, m + 1, r, has);
	} else ans.push_back(v[0]);
}
void Solve(int N) {
	vector<int> duds;
	for (int i = 1; i <= 2 * N; ++i) {
		int x = Query(i);
		if (x != lquery) firsts.push_back(i), lquery = x;
		else duds.push_back(i);
	}
  	random_shuffle(firsts.begin(), firsts.end());
	recurse(duds, 0, N - 1);
	for (int i = 0; i < N; ++i) Answer(firsts[i], ans[i]);
}

Compilation message

minerals.cpp: In function 'void recurse(std::vector<int>&, int, int, bool)':
minerals.cpp:13:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (a.size() != m - l + 1 && b.size() != r - m) {
        ~~~~~~~~~^~~~~~~~~~~~
minerals.cpp:13:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (a.size() != m - l + 1 && b.size() != r - m) {
                                 ~~~~~~~~~^~~~~~~~
minerals.cpp:18:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    } else if (a.size() != m - l + 1) a.push_back(i);
               ~~~~~~~~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Correct 7 ms 768 KB Output is correct
5 Correct 14 ms 1152 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct
15 Correct 43 ms 2292 KB Output is correct
16 Correct 41 ms 2292 KB Output is correct
17 Correct 44 ms 2292 KB Output is correct
18 Correct 44 ms 2164 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct
15 Correct 43 ms 2292 KB Output is correct
16 Correct 41 ms 2292 KB Output is correct
17 Correct 44 ms 2292 KB Output is correct
18 Correct 44 ms 2164 KB Output is correct
19 Correct 47 ms 2292 KB Output is correct
20 Correct 42 ms 2292 KB Output is correct
21 Correct 45 ms 2292 KB Output is correct
22 Correct 44 ms 2164 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct
15 Correct 43 ms 2292 KB Output is correct
16 Correct 41 ms 2292 KB Output is correct
17 Correct 44 ms 2292 KB Output is correct
18 Correct 44 ms 2164 KB Output is correct
19 Correct 47 ms 2292 KB Output is correct
20 Correct 42 ms 2292 KB Output is correct
21 Correct 45 ms 2292 KB Output is correct
22 Correct 44 ms 2164 KB Output is correct
23 Correct 41 ms 2420 KB Output is correct
24 Correct 43 ms 2292 KB Output is correct
25 Correct 43 ms 2420 KB Output is correct
26 Correct 40 ms 2292 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct
15 Correct 43 ms 2292 KB Output is correct
16 Correct 41 ms 2292 KB Output is correct
17 Correct 44 ms 2292 KB Output is correct
18 Correct 44 ms 2164 KB Output is correct
19 Correct 47 ms 2292 KB Output is correct
20 Correct 42 ms 2292 KB Output is correct
21 Correct 45 ms 2292 KB Output is correct
22 Correct 44 ms 2164 KB Output is correct
23 Correct 41 ms 2420 KB Output is correct
24 Correct 43 ms 2292 KB Output is correct
25 Correct 43 ms 2420 KB Output is correct
26 Correct 40 ms 2292 KB Output is correct
27 Correct 49 ms 2544 KB Output is correct
28 Correct 43 ms 2420 KB Output is correct
29 Correct 43 ms 2460 KB Output is correct
30 Correct 40 ms 2292 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct
15 Correct 43 ms 2292 KB Output is correct
16 Correct 41 ms 2292 KB Output is correct
17 Correct 44 ms 2292 KB Output is correct
18 Correct 44 ms 2164 KB Output is correct
19 Correct 47 ms 2292 KB Output is correct
20 Correct 42 ms 2292 KB Output is correct
21 Correct 45 ms 2292 KB Output is correct
22 Correct 44 ms 2164 KB Output is correct
23 Correct 41 ms 2420 KB Output is correct
24 Correct 43 ms 2292 KB Output is correct
25 Correct 43 ms 2420 KB Output is correct
26 Correct 40 ms 2292 KB Output is correct
27 Correct 49 ms 2544 KB Output is correct
28 Correct 43 ms 2420 KB Output is correct
29 Correct 43 ms 2460 KB Output is correct
30 Correct 40 ms 2292 KB Output is correct
31 Correct 44 ms 2420 KB Output is correct
32 Correct 45 ms 2408 KB Output is correct
33 Correct 41 ms 2420 KB Output is correct
34 Correct 41 ms 2260 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 4 ms 512 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 14 ms 1152 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 896 KB Output is correct
12 Correct 14 ms 1152 KB Output is correct
13 Correct 14 ms 1152 KB Output is correct
14 Correct 14 ms 1280 KB Output is correct
15 Correct 43 ms 2292 KB Output is correct
16 Correct 41 ms 2292 KB Output is correct
17 Correct 44 ms 2292 KB Output is correct
18 Correct 44 ms 2164 KB Output is correct
19 Correct 47 ms 2292 KB Output is correct
20 Correct 42 ms 2292 KB Output is correct
21 Correct 45 ms 2292 KB Output is correct
22 Correct 44 ms 2164 KB Output is correct
23 Correct 41 ms 2420 KB Output is correct
24 Correct 43 ms 2292 KB Output is correct
25 Correct 43 ms 2420 KB Output is correct
26 Correct 40 ms 2292 KB Output is correct
27 Correct 49 ms 2544 KB Output is correct
28 Correct 43 ms 2420 KB Output is correct
29 Correct 43 ms 2460 KB Output is correct
30 Correct 40 ms 2292 KB Output is correct
31 Correct 44 ms 2420 KB Output is correct
32 Correct 45 ms 2408 KB Output is correct
33 Correct 41 ms 2420 KB Output is correct
34 Correct 41 ms 2260 KB Output is correct
35 Correct 46 ms 2420 KB Output is correct
36 Correct 46 ms 2420 KB Output is correct
37 Correct 42 ms 2464 KB Output is correct
38 Correct 42 ms 2292 KB Output is correct