oj.uz

Submission #849579

# Submission time Handle Problem Language Result Execution time Memory
849579 2023-09-15T03:22:22 Z iee A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 21 ms 1996 KB 
#include <bits/stdc++.h>

#include "books.h"

using namespace std;
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
//	 books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
//	 g++ books_sample.cpp sample_grader.cpp
// in this folder.
//

void solve(int N, int K, long long A, int S) {
	vector<int> av;
	for (int i = 1; i <= N; i++) {
		av.push_back(i);
	}
	vector<long long> mem(N + 1, -1);
	auto query = [&](int x) {
		if (mem[x] != -1) return mem[x];
		return mem[x] = skim(x);
	};
	long long sm = 0;
	for (int i = 1; i < K; i++) {
		sm += query(i);
	}
	int l = K, r = N;
	while (l < r) {
		int mid = (l + r + 1) >> 1;
		if (query(mid) + sm <= A * 2) l = mid;
		else r = mid - 1;
	}
	vector<int> p;
	for (int i = 1; i < K; i++) {
		p.push_back(i);
	}
	for (int i = l - K + 1; i <= l; i++) {
		p.push_back(i);
	}
	sort(p.begin(), p.end()), p.erase(unique(p.begin(), p.end()), p.end());
	for (int s = 0; s < (1 << p.size()); s++) {
		if (__builtin_popcount(s) == K) {
			long long sum = 0;
			vector<int> v;
			for (int i = 0; i < p.size(); i++) {
				if (s >> i & 1) {
					sum += query(p[i]);
					v.push_back(p[i]);
				}
			}
			if (sum >= A && sum <= A * 2) {
				answer(v);
			}
		}
	}
	impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |    for (int i = 0; i < p.size(); i++) {
      |                    ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 856 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 1 ms 856 KB Output is correct
12 Correct 18 ms 856 KB Output is correct
13 Correct 1 ms 856 KB Output is correct
14 Correct 9 ms 856 KB Output is correct
15 Correct 9 ms 856 KB Output is correct
16 Correct 18 ms 856 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1744 KB Output is correct
3 Correct 1 ms 1744 KB Output is correct
4 Correct 1 ms 1744 KB Output is correct
5 Correct 1 ms 1568 KB Output is correct
6 Correct 1 ms 1744 KB Output is correct
7 Correct 1 ms 1744 KB Output is correct
8 Correct 18 ms 1744 KB Output is correct
9 Correct 1 ms 1744 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1744 KB Output is correct
3 Correct 1 ms 1744 KB Output is correct
4 Correct 1 ms 1744 KB Output is correct
5 Correct 1 ms 1568 KB Output is correct
6 Correct 1 ms 1744 KB Output is correct
7 Correct 1 ms 1744 KB Output is correct
8 Correct 18 ms 1744 KB Output is correct
9 Correct 1 ms 1744 KB Output is correct
10 Correct 1 ms 1568 KB Output is correct
11 Correct 1 ms 1744 KB Output is correct
12 Correct 1 ms 1564 KB Output is correct
13 Correct 1 ms 1744 KB Output is correct
14 Correct 1 ms 1744 KB Output is correct
15 Correct 1 ms 1744 KB Output is correct
16 Correct 1 ms 1568 KB Output is correct
17 Correct 21 ms 1744 KB Output is correct
18 Correct 1 ms 1744 KB Output is correct
19 Correct 1 ms 1744 KB Output is correct
20 Correct 1 ms 1744 KB Output is correct
21 Correct 1 ms 1744 KB Output is correct
22 Correct 1 ms 1744 KB Output is correct
23 Correct 9 ms 1744 KB Output is correct
24 Correct 10 ms 1744 KB Output is correct
25 Correct 9 ms 1744 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1744 KB Output is correct
3 Correct 1 ms 1744 KB Output is correct
4 Correct 1 ms 1744 KB Output is correct
5 Correct 1 ms 1568 KB Output is correct
6 Correct 1 ms 1744 KB Output is correct
7 Correct 1 ms 1744 KB Output is correct
8 Correct 18 ms 1744 KB Output is correct
9 Correct 1 ms 1744 KB Output is correct
10 Correct 1 ms 1568 KB Output is correct
11 Correct 1 ms 1744 KB Output is correct
12 Correct 1 ms 1564 KB Output is correct
13 Correct 1 ms 1744 KB Output is correct
14 Correct 1 ms 1744 KB Output is correct
15 Correct 1 ms 1744 KB Output is correct
16 Correct 1 ms 1568 KB Output is correct
17 Correct 21 ms 1744 KB Output is correct
18 Correct 1 ms 1744 KB Output is correct
19 Correct 1 ms 1744 KB Output is correct
20 Correct 1 ms 1744 KB Output is correct
21 Correct 1 ms 1744 KB Output is correct
22 Correct 1 ms 1744 KB Output is correct
23 Correct 9 ms 1744 KB Output is correct
24 Correct 10 ms 1744 KB Output is correct
25 Correct 9 ms 1744 KB Output is correct
26 Correct 1 ms 1572 KB Output is correct
27 Correct 1 ms 1744 KB Output is correct
28 Correct 1 ms 1744 KB Output is correct
29 Correct 1 ms 1744 KB Output is correct
30 Correct 1 ms 1572 KB Output is correct
31 Correct 1 ms 1744 KB Output is correct
32 Correct 1 ms 1572 KB Output is correct
33 Correct 18 ms 1744 KB Output is correct
34 Correct 1 ms 1744 KB Output is correct
35 Correct 1 ms 1744 KB Output is correct
36 Correct 2 ms 1744 KB Output is correct
37 Correct 1 ms 1744 KB Output is correct
38 Correct 1 ms 1744 KB Output is correct
39 Correct 10 ms 1744 KB Output is correct
40 Correct 9 ms 1572 KB Output is correct
41 Correct 9 ms 1744 KB Output is correct
42 Correct 1 ms 1744 KB Output is correct
43 Correct 1 ms 1568 KB Output is correct
44 Correct 1 ms 1744 KB Output is correct
45 Correct 1 ms 1744 KB Output is correct
46 Correct 2 ms 1744 KB Output is correct
47 Correct 2 ms 1572 KB Output is correct
48 Correct 9 ms 1744 KB Output is correct
49 Correct 9 ms 1744 KB Output is correct
50 Correct 19 ms 1744 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1744 KB Output is correct
3 Correct 1 ms 1744 KB Output is correct
4 Correct 1 ms 1744 KB Output is correct
5 Correct 1 ms 1568 KB Output is correct
6 Correct 1 ms 1744 KB Output is correct
7 Correct 1 ms 1744 KB Output is correct
8 Correct 18 ms 1744 KB Output is correct
9 Correct 1 ms 1744 KB Output is correct
10 Correct 1 ms 1568 KB Output is correct
11 Correct 1 ms 1744 KB Output is correct
12 Correct 1 ms 1564 KB Output is correct
13 Correct 1 ms 1744 KB Output is correct
14 Correct 1 ms 1744 KB Output is correct
15 Correct 1 ms 1744 KB Output is correct
16 Correct 1 ms 1568 KB Output is correct
17 Correct 21 ms 1744 KB Output is correct
18 Correct 1 ms 1744 KB Output is correct
19 Correct 1 ms 1744 KB Output is correct
20 Correct 1 ms 1744 KB Output is correct
21 Correct 1 ms 1744 KB Output is correct
22 Correct 1 ms 1744 KB Output is correct
23 Correct 9 ms 1744 KB Output is correct
24 Correct 10 ms 1744 KB Output is correct
25 Correct 9 ms 1744 KB Output is correct
26 Correct 1 ms 1744 KB Output is correct
27 Correct 1 ms 1744 KB Output is correct
28 Correct 1 ms 1488 KB Output is correct
29 Correct 1 ms 1744 KB Output is correct
30 Correct 1 ms 1744 KB Output is correct
31 Correct 1 ms 1488 KB Output is correct
32 Correct 1 ms 1744 KB Output is correct
33 Correct 18 ms 1744 KB Output is correct
34 Correct 1 ms 1744 KB Output is correct
35 Correct 1 ms 1744 KB Output is correct
36 Correct 1 ms 1744 KB Output is correct
37 Correct 1 ms 1572 KB Output is correct
38 Correct 1 ms 1744 KB Output is correct
39 Correct 10 ms 1744 KB Output is correct
40 Correct 9 ms 1744 KB Output is correct
41 Correct 9 ms 1704 KB Output is correct
42 Correct 1 ms 1928 KB Output is correct
43 Correct 1 ms 1744 KB Output is correct
44 Correct 1 ms 1744 KB Output is correct
45 Correct 1 ms 1744 KB Output is correct
46 Correct 1 ms 1488 KB Output is correct
47 Correct 18 ms 1488 KB Output is correct
48 Correct 9 ms 1744 KB Output is correct
49 Correct 9 ms 1744 KB Output is correct
50 Correct 9 ms 1744 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1740 KB Output is correct
2 Correct 1 ms 1744 KB Output is correct
3 Correct 1 ms 1744 KB Output is correct
4 Correct 1 ms 1744 KB Output is correct
5 Correct 1 ms 1568 KB Output is correct
6 Correct 1 ms 1744 KB Output is correct
7 Correct 1 ms 1744 KB Output is correct
8 Correct 18 ms 1744 KB Output is correct
9 Correct 1 ms 1744 KB Output is correct
10 Correct 1 ms 1568 KB Output is correct
11 Correct 1 ms 1744 KB Output is correct
12 Correct 1 ms 1564 KB Output is correct
13 Correct 1 ms 1744 KB Output is correct
14 Correct 1 ms 1744 KB Output is correct
15 Correct 1 ms 1744 KB Output is correct
16 Correct 1 ms 1568 KB Output is correct
17 Correct 21 ms 1744 KB Output is correct
18 Correct 1 ms 1744 KB Output is correct
19 Correct 1 ms 1744 KB Output is correct
20 Correct 1 ms 1744 KB Output is correct
21 Correct 1 ms 1744 KB Output is correct
22 Correct 1 ms 1744 KB Output is correct
23 Correct 9 ms 1744 KB Output is correct
24 Correct 10 ms 1744 KB Output is correct
25 Correct 9 ms 1744 KB Output is correct
26 Correct 1 ms 1572 KB Output is correct
27 Correct 1 ms 1744 KB Output is correct
28 Correct 1 ms 1744 KB Output is correct
29 Correct 1 ms 1744 KB Output is correct
30 Correct 1 ms 1572 KB Output is correct
31 Correct 1 ms 1744 KB Output is correct
32 Correct 1 ms 1572 KB Output is correct
33 Correct 18 ms 1744 KB Output is correct
34 Correct 1 ms 1744 KB Output is correct
35 Correct 1 ms 1744 KB Output is correct
36 Correct 2 ms 1744 KB Output is correct
37 Correct 1 ms 1744 KB Output is correct
38 Correct 1 ms 1744 KB Output is correct
39 Correct 10 ms 1744 KB Output is correct
40 Correct 9 ms 1572 KB Output is correct
41 Correct 9 ms 1744 KB Output is correct
42 Correct 1 ms 1744 KB Output is correct
43 Correct 1 ms 1568 KB Output is correct
44 Correct 1 ms 1744 KB Output is correct
45 Correct 1 ms 1744 KB Output is correct
46 Correct 2 ms 1744 KB Output is correct
47 Correct 2 ms 1572 KB Output is correct
48 Correct 9 ms 1744 KB Output is correct
49 Correct 9 ms 1744 KB Output is correct
50 Correct 19 ms 1744 KB Output is correct
51 Correct 1 ms 1744 KB Output is correct
52 Correct 1 ms 1744 KB Output is correct
53 Correct 1 ms 1488 KB Output is correct
54 Correct 1 ms 1744 KB Output is correct
55 Correct 1 ms 1744 KB Output is correct
56 Correct 1 ms 1488 KB Output is correct
57 Correct 1 ms 1744 KB Output is correct
58 Correct 18 ms 1744 KB Output is correct
59 Correct 1 ms 1744 KB Output is correct
60 Correct 1 ms 1744 KB Output is correct
61 Correct 1 ms 1744 KB Output is correct
62 Correct 1 ms 1572 KB Output is correct
63 Correct 1 ms 1744 KB Output is correct
64 Correct 10 ms 1744 KB Output is correct
65 Correct 9 ms 1744 KB Output is correct
66 Correct 9 ms 1704 KB Output is correct
67 Correct 1 ms 1928 KB Output is correct
68 Correct 1 ms 1744 KB Output is correct
69 Correct 1 ms 1744 KB Output is correct
70 Correct 1 ms 1744 KB Output is correct
71 Correct 1 ms 1488 KB Output is correct
72 Correct 18 ms 1488 KB Output is correct
73 Correct 9 ms 1744 KB Output is correct
74 Correct 9 ms 1744 KB Output is correct
75 Correct 9 ms 1744 KB Output is correct
76 Correct 0 ms 344 KB Output is correct
77 Correct 0 ms 344 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 0 ms 344 KB Output is correct
81 Correct 1 ms 344 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 344 KB Output is correct
84 Correct 1 ms 856 KB Output is correct
85 Correct 1 ms 856 KB Output is correct
86 Correct 1 ms 852 KB Output is correct
87 Correct 18 ms 724 KB Output is correct
88 Correct 1 ms 856 KB Output is correct
89 Correct 9 ms 856 KB Output is correct
90 Correct 11 ms 856 KB Output is correct
91 Correct 18 ms 856 KB Output is correct
92 Correct 1 ms 1744 KB Output is correct
93 Correct 2 ms 1744 KB Output is correct
94 Correct 1 ms 1744 KB Output is correct
95 Correct 1 ms 1744 KB Output is correct
96 Correct 1 ms 1744 KB Output is correct
97 Correct 1 ms 1744 KB Output is correct
98 Correct 1 ms 1488 KB Output is correct
99 Correct 18 ms 1744 KB Output is correct
100 Correct 1 ms 1744 KB Output is correct
101 Correct 1 ms 1744 KB Output is correct
102 Correct 1 ms 1744 KB Output is correct
103 Correct 1 ms 1744 KB Output is correct
104 Correct 1 ms 1744 KB Output is correct
105 Correct 11 ms 1996 KB Output is correct
106 Correct 9 ms 1744 KB Output is correct
107 Correct 9 ms 1744 KB Output is correct
108 Correct 1 ms 1744 KB Output is correct
109 Correct 1 ms 1572 KB Output is correct
110 Correct 1 ms 1744 KB Output is correct
111 Correct 1 ms 1744 KB Output is correct
112 Correct 1 ms 1488 KB Output is correct
113 Correct 2 ms 1744 KB Output is correct
114 Correct 10 ms 1488 KB Output is correct
115 Correct 9 ms 1744 KB Output is correct
116 Correct 18 ms 1488 KB Output is correct
117 Correct 2 ms 1744 KB Output is correct
118 Correct 1 ms 1488 KB Output is correct
119 Correct 2 ms 1740 KB Output is correct
120 Correct 1 ms 1744 KB Output is correct
121 Correct 1 ms 1744 KB Output is correct
122 Correct 18 ms 1744 KB Output is correct
123 Correct 9 ms 1744 KB Output is correct
124 Correct 9 ms 1744 KB Output is correct
125 Correct 10 ms 1744 KB Output is correct
126 Correct 1 ms 1744 KB Output is correct
127 Correct 1 ms 1744 KB Output is correct
128 Correct 1 ms 1744 KB Output is correct
129 Correct 1 ms 1576 KB Output is correct
130 Correct 2 ms 1996 KB Output is correct
131 Correct 18 ms 1576 KB Output is correct
132 Correct 1 ms 1996 KB Output is correct
133 Correct 9 ms 1744 KB Output is correct
134 Correct 9 ms 1744 KB Output is correct
135 Correct 18 ms 1744 KB Output is correct