Submission #256406

# Submission time Handle Problem Language Result Execution time Memory
256406 2020-08-02T16:15:15 Z SpeedOfMagic Detecting Molecules (IOI16_molecules) C++17
19 / 100
1 ms 372 KB
#include <bits/stdc++.h>

#include "molecules.h"

using namespace std;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<pair<int, int>> ww;
	for (size_t i = 0; i < w.size(); ++i)
		ww.push_back({w[i], i});
	sort(ww.begin(), ww.end());
	int cur = 0;
	vector<int> result;
	for (int i = 0; i < ww.size(); ++i) {
		if (cur + ww[i].first < l) {
			result.push_back(ww[i].second);
			cur += ww[i].first;
		} else if (cur + ww[i].first <= u) {
			result.push_back(ww[i].second);
			cur += ww[i].first;
			break;
		} else {
			break;
		}
	}
	if (cur >= l) {
		sort(result.begin(), result.end());
		return result;
	} else {
		int j = 0;
		for (int i = ww.size() - 1; i >= 0 && j < result.size(); --i) {
			cur -= w[result[j]];
			cur += ww[i].first;
			result[j] = ww[i].second;
			++j;
			if (cur >= l) {
				assert(cur <= u);
				sort(result.begin(), result.end());
				return result;
			}
		}
		return {};
	}
}

Compilation message

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < ww.size(); ++i) {
                  ~~^~~~~~~~~~~
molecules.cpp:31:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = ww.size() - 1; i >= 0 && j < result.size(); --i) {
                                         ~~^~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB OK (n = 1, answer = NO)
2 Correct 0 ms 256 KB OK (n = 1, answer = NO)
3 Correct 1 ms 256 KB OK (n = 1, answer = YES)
4 Correct 0 ms 256 KB OK (n = 2, answer = YES)
5 Correct 0 ms 256 KB OK (n = 2, answer = YES)
6 Correct 0 ms 256 KB OK (n = 3, answer = YES)
7 Correct 0 ms 256 KB OK (n = 3, answer = YES)
8 Correct 0 ms 256 KB OK (n = 3, answer = YES)
9 Correct 0 ms 368 KB OK (n = 3, answer = YES)
10 Correct 0 ms 256 KB OK (n = 3, answer = YES)
11 Correct 0 ms 256 KB OK (n = 3, answer = YES)
12 Correct 0 ms 256 KB OK (n = 3, answer = YES)
13 Correct 0 ms 256 KB OK (n = 3, answer = NO)
14 Correct 0 ms 256 KB OK (n = 3, answer = YES)
15 Correct 0 ms 256 KB OK (n = 3, answer = YES)
16 Correct 0 ms 256 KB OK (n = 3, answer = NO)
17 Correct 0 ms 256 KB OK (n = 3, answer = NO)
18 Correct 0 ms 372 KB OK (n = 100, answer = NO)
19 Correct 0 ms 256 KB OK (n = 100, answer = YES)
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB OK (n = 12, answer = YES)
2 Correct 0 ms 256 KB OK (n = 12, answer = YES)
3 Correct 0 ms 256 KB OK (n = 12, answer = NO)
4 Correct 0 ms 256 KB OK (n = 12, answer = NO)
5 Correct 1 ms 256 KB OK (n = 12, answer = YES)
6 Correct 0 ms 256 KB OK (n = 12, answer = YES)
7 Correct 0 ms 256 KB OK (n = 12, answer = YES)
8 Correct 0 ms 256 KB OK (n = 12, answer = YES)
9 Correct 0 ms 256 KB OK (n = 6, answer = YES)
10 Correct 0 ms 256 KB OK (n = 12, answer = YES)
11 Correct 0 ms 256 KB OK (n = 100, answer = NO)
12 Correct 0 ms 256 KB OK (n = 100, answer = YES)
13 Correct 0 ms 256 KB OK (n = 100, answer = NO)
14 Correct 1 ms 256 KB OK (n = 100, answer = YES)
15 Correct 0 ms 256 KB OK (n = 100, answer = YES)
16 Correct 0 ms 256 KB OK (n = 100, answer = YES)
17 Correct 0 ms 256 KB OK (n = 100, answer = YES)
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB OK (n = 1, answer = NO)
2 Correct 0 ms 256 KB OK (n = 1, answer = NO)
3 Correct 1 ms 256 KB OK (n = 1, answer = YES)
4 Correct 0 ms 256 KB OK (n = 2, answer = YES)
5 Correct 0 ms 256 KB OK (n = 2, answer = YES)
6 Correct 0 ms 256 KB OK (n = 3, answer = YES)
7 Correct 0 ms 256 KB OK (n = 3, answer = YES)
8 Correct 0 ms 256 KB OK (n = 3, answer = YES)
9 Correct 0 ms 368 KB OK (n = 3, answer = YES)
10 Correct 0 ms 256 KB OK (n = 3, answer = YES)
11 Correct 0 ms 256 KB OK (n = 3, answer = YES)
12 Correct 0 ms 256 KB OK (n = 3, answer = YES)
13 Correct 0 ms 256 KB OK (n = 3, answer = NO)
14 Correct 0 ms 256 KB OK (n = 3, answer = YES)
15 Correct 0 ms 256 KB OK (n = 3, answer = YES)
16 Correct 0 ms 256 KB OK (n = 3, answer = NO)
17 Correct 0 ms 256 KB OK (n = 3, answer = NO)
18 Correct 0 ms 372 KB OK (n = 100, answer = NO)
19 Correct 0 ms 256 KB OK (n = 100, answer = YES)
20 Correct 0 ms 256 KB OK (n = 12, answer = YES)
21 Correct 0 ms 256 KB OK (n = 12, answer = YES)
22 Correct 0 ms 256 KB OK (n = 12, answer = NO)
23 Correct 0 ms 256 KB OK (n = 12, answer = NO)
24 Correct 1 ms 256 KB OK (n = 12, answer = YES)
25 Correct 0 ms 256 KB OK (n = 12, answer = YES)
26 Correct 0 ms 256 KB OK (n = 12, answer = YES)
27 Correct 0 ms 256 KB OK (n = 12, answer = YES)
28 Correct 0 ms 256 KB OK (n = 6, answer = YES)
29 Correct 0 ms 256 KB OK (n = 12, answer = YES)
30 Correct 0 ms 256 KB OK (n = 100, answer = NO)
31 Correct 0 ms 256 KB OK (n = 100, answer = YES)
32 Correct 0 ms 256 KB OK (n = 100, answer = NO)
33 Correct 1 ms 256 KB OK (n = 100, answer = YES)
34 Correct 0 ms 256 KB OK (n = 100, answer = YES)
35 Correct 0 ms 256 KB OK (n = 100, answer = YES)
36 Correct 0 ms 256 KB OK (n = 100, answer = YES)
37 Correct 0 ms 256 KB OK (n = 28, answer = YES)
38 Correct 0 ms 256 KB OK (n = 27, answer = YES)
39 Correct 0 ms 256 KB OK (n = 90, answer = YES)
40 Correct 0 ms 256 KB OK (n = 100, answer = YES)
41 Correct 1 ms 256 KB OK (n = 100, answer = YES)
42 Correct 0 ms 256 KB OK (n = 10, answer = YES)
43 Correct 0 ms 256 KB OK (n = 100, answer = YES)
44 Correct 0 ms 256 KB OK (n = 100, answer = YES)
45 Correct 0 ms 256 KB OK (n = 100, answer = YES)
46 Correct 0 ms 256 KB OK (n = 100, answer = YES)
47 Incorrect 0 ms 256 KB item #0 is taken twice
48 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB OK (n = 1, answer = NO)
2 Correct 0 ms 256 KB OK (n = 1, answer = NO)
3 Correct 1 ms 256 KB OK (n = 1, answer = YES)
4 Correct 0 ms 256 KB OK (n = 2, answer = YES)
5 Correct 0 ms 256 KB OK (n = 2, answer = YES)
6 Correct 0 ms 256 KB OK (n = 3, answer = YES)
7 Correct 0 ms 256 KB OK (n = 3, answer = YES)
8 Correct 0 ms 256 KB OK (n = 3, answer = YES)
9 Correct 0 ms 368 KB OK (n = 3, answer = YES)
10 Correct 0 ms 256 KB OK (n = 3, answer = YES)
11 Correct 0 ms 256 KB OK (n = 3, answer = YES)
12 Correct 0 ms 256 KB OK (n = 3, answer = YES)
13 Correct 0 ms 256 KB OK (n = 3, answer = NO)
14 Correct 0 ms 256 KB OK (n = 3, answer = YES)
15 Correct 0 ms 256 KB OK (n = 3, answer = YES)
16 Correct 0 ms 256 KB OK (n = 3, answer = NO)
17 Correct 0 ms 256 KB OK (n = 3, answer = NO)
18 Correct 0 ms 372 KB OK (n = 100, answer = NO)
19 Correct 0 ms 256 KB OK (n = 100, answer = YES)
20 Correct 0 ms 256 KB OK (n = 12, answer = YES)
21 Correct 0 ms 256 KB OK (n = 12, answer = YES)
22 Correct 0 ms 256 KB OK (n = 12, answer = NO)
23 Correct 0 ms 256 KB OK (n = 12, answer = NO)
24 Correct 1 ms 256 KB OK (n = 12, answer = YES)
25 Correct 0 ms 256 KB OK (n = 12, answer = YES)
26 Correct 0 ms 256 KB OK (n = 12, answer = YES)
27 Correct 0 ms 256 KB OK (n = 12, answer = YES)
28 Correct 0 ms 256 KB OK (n = 6, answer = YES)
29 Correct 0 ms 256 KB OK (n = 12, answer = YES)
30 Correct 0 ms 256 KB OK (n = 100, answer = NO)
31 Correct 0 ms 256 KB OK (n = 100, answer = YES)
32 Correct 0 ms 256 KB OK (n = 100, answer = NO)
33 Correct 1 ms 256 KB OK (n = 100, answer = YES)
34 Correct 0 ms 256 KB OK (n = 100, answer = YES)
35 Correct 0 ms 256 KB OK (n = 100, answer = YES)
36 Correct 0 ms 256 KB OK (n = 100, answer = YES)
37 Correct 0 ms 256 KB OK (n = 28, answer = YES)
38 Correct 0 ms 256 KB OK (n = 27, answer = YES)
39 Correct 0 ms 256 KB OK (n = 90, answer = YES)
40 Correct 0 ms 256 KB OK (n = 100, answer = YES)
41 Correct 1 ms 256 KB OK (n = 100, answer = YES)
42 Correct 0 ms 256 KB OK (n = 10, answer = YES)
43 Correct 0 ms 256 KB OK (n = 100, answer = YES)
44 Correct 0 ms 256 KB OK (n = 100, answer = YES)
45 Correct 0 ms 256 KB OK (n = 100, answer = YES)
46 Correct 0 ms 256 KB OK (n = 100, answer = YES)
47 Incorrect 0 ms 256 KB item #0 is taken twice
48 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB OK (n = 1, answer = NO)
2 Correct 0 ms 256 KB OK (n = 1, answer = NO)
3 Correct 1 ms 256 KB OK (n = 1, answer = YES)
4 Correct 0 ms 256 KB OK (n = 2, answer = YES)
5 Correct 0 ms 256 KB OK (n = 2, answer = YES)
6 Correct 0 ms 256 KB OK (n = 3, answer = YES)
7 Correct 0 ms 256 KB OK (n = 3, answer = YES)
8 Correct 0 ms 256 KB OK (n = 3, answer = YES)
9 Correct 0 ms 368 KB OK (n = 3, answer = YES)
10 Correct 0 ms 256 KB OK (n = 3, answer = YES)
11 Correct 0 ms 256 KB OK (n = 3, answer = YES)
12 Correct 0 ms 256 KB OK (n = 3, answer = YES)
13 Correct 0 ms 256 KB OK (n = 3, answer = NO)
14 Correct 0 ms 256 KB OK (n = 3, answer = YES)
15 Correct 0 ms 256 KB OK (n = 3, answer = YES)
16 Correct 0 ms 256 KB OK (n = 3, answer = NO)
17 Correct 0 ms 256 KB OK (n = 3, answer = NO)
18 Correct 0 ms 372 KB OK (n = 100, answer = NO)
19 Correct 0 ms 256 KB OK (n = 100, answer = YES)
20 Correct 0 ms 256 KB OK (n = 12, answer = YES)
21 Correct 0 ms 256 KB OK (n = 12, answer = YES)
22 Correct 0 ms 256 KB OK (n = 12, answer = NO)
23 Correct 0 ms 256 KB OK (n = 12, answer = NO)
24 Correct 1 ms 256 KB OK (n = 12, answer = YES)
25 Correct 0 ms 256 KB OK (n = 12, answer = YES)
26 Correct 0 ms 256 KB OK (n = 12, answer = YES)
27 Correct 0 ms 256 KB OK (n = 12, answer = YES)
28 Correct 0 ms 256 KB OK (n = 6, answer = YES)
29 Correct 0 ms 256 KB OK (n = 12, answer = YES)
30 Correct 0 ms 256 KB OK (n = 100, answer = NO)
31 Correct 0 ms 256 KB OK (n = 100, answer = YES)
32 Correct 0 ms 256 KB OK (n = 100, answer = NO)
33 Correct 1 ms 256 KB OK (n = 100, answer = YES)
34 Correct 0 ms 256 KB OK (n = 100, answer = YES)
35 Correct 0 ms 256 KB OK (n = 100, answer = YES)
36 Correct 0 ms 256 KB OK (n = 100, answer = YES)
37 Correct 0 ms 256 KB OK (n = 28, answer = YES)
38 Correct 0 ms 256 KB OK (n = 27, answer = YES)
39 Correct 0 ms 256 KB OK (n = 90, answer = YES)
40 Correct 0 ms 256 KB OK (n = 100, answer = YES)
41 Correct 1 ms 256 KB OK (n = 100, answer = YES)
42 Correct 0 ms 256 KB OK (n = 10, answer = YES)
43 Correct 0 ms 256 KB OK (n = 100, answer = YES)
44 Correct 0 ms 256 KB OK (n = 100, answer = YES)
45 Correct 0 ms 256 KB OK (n = 100, answer = YES)
46 Correct 0 ms 256 KB OK (n = 100, answer = YES)
47 Incorrect 0 ms 256 KB item #0 is taken twice
48 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB OK (n = 1, answer = NO)
2 Correct 0 ms 256 KB OK (n = 1, answer = NO)
3 Correct 1 ms 256 KB OK (n = 1, answer = YES)
4 Correct 0 ms 256 KB OK (n = 2, answer = YES)
5 Correct 0 ms 256 KB OK (n = 2, answer = YES)
6 Correct 0 ms 256 KB OK (n = 3, answer = YES)
7 Correct 0 ms 256 KB OK (n = 3, answer = YES)
8 Correct 0 ms 256 KB OK (n = 3, answer = YES)
9 Correct 0 ms 368 KB OK (n = 3, answer = YES)
10 Correct 0 ms 256 KB OK (n = 3, answer = YES)
11 Correct 0 ms 256 KB OK (n = 3, answer = YES)
12 Correct 0 ms 256 KB OK (n = 3, answer = YES)
13 Correct 0 ms 256 KB OK (n = 3, answer = NO)
14 Correct 0 ms 256 KB OK (n = 3, answer = YES)
15 Correct 0 ms 256 KB OK (n = 3, answer = YES)
16 Correct 0 ms 256 KB OK (n = 3, answer = NO)
17 Correct 0 ms 256 KB OK (n = 3, answer = NO)
18 Correct 0 ms 372 KB OK (n = 100, answer = NO)
19 Correct 0 ms 256 KB OK (n = 100, answer = YES)
20 Correct 0 ms 256 KB OK (n = 12, answer = YES)
21 Correct 0 ms 256 KB OK (n = 12, answer = YES)
22 Correct 0 ms 256 KB OK (n = 12, answer = NO)
23 Correct 0 ms 256 KB OK (n = 12, answer = NO)
24 Correct 1 ms 256 KB OK (n = 12, answer = YES)
25 Correct 0 ms 256 KB OK (n = 12, answer = YES)
26 Correct 0 ms 256 KB OK (n = 12, answer = YES)
27 Correct 0 ms 256 KB OK (n = 12, answer = YES)
28 Correct 0 ms 256 KB OK (n = 6, answer = YES)
29 Correct 0 ms 256 KB OK (n = 12, answer = YES)
30 Correct 0 ms 256 KB OK (n = 100, answer = NO)
31 Correct 0 ms 256 KB OK (n = 100, answer = YES)
32 Correct 0 ms 256 KB OK (n = 100, answer = NO)
33 Correct 1 ms 256 KB OK (n = 100, answer = YES)
34 Correct 0 ms 256 KB OK (n = 100, answer = YES)
35 Correct 0 ms 256 KB OK (n = 100, answer = YES)
36 Correct 0 ms 256 KB OK (n = 100, answer = YES)
37 Correct 0 ms 256 KB OK (n = 28, answer = YES)
38 Correct 0 ms 256 KB OK (n = 27, answer = YES)
39 Correct 0 ms 256 KB OK (n = 90, answer = YES)
40 Correct 0 ms 256 KB OK (n = 100, answer = YES)
41 Correct 1 ms 256 KB OK (n = 100, answer = YES)
42 Correct 0 ms 256 KB OK (n = 10, answer = YES)
43 Correct 0 ms 256 KB OK (n = 100, answer = YES)
44 Correct 0 ms 256 KB OK (n = 100, answer = YES)
45 Correct 0 ms 256 KB OK (n = 100, answer = YES)
46 Correct 0 ms 256 KB OK (n = 100, answer = YES)
47 Incorrect 0 ms 256 KB item #0 is taken twice
48 Halted 0 ms 0 KB -