oj.uz

Submission #417087

# Submission time Handle Problem Language Result Execution time Memory
417087 2021-06-03T11:38:00 Z keko37 A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 2 ms 328 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.
//

typedef long long llint;

const int MAXN = 100005;
int n;
llint val[MAXN], bio[MAXN];

vector <int> get_bio () {
	vector <int> res;
	for (int i = 1; i <= n; i++) {
		if (bio[i]) res.push_back(i);
	}
	return res;
}

void solve (int N, int k, llint a, int s) {
	n = N;
	llint sum = 0;
	for (int i = 1; i <= k - 1; i++) {
		val[i] = skim(i);
		sum += val[i];
	}
	
	if (sum >= a) {
		sum += skim(k);
		if (a <= sum && sum <= 2 * a) {
			vector <int> tmp;
			for (int i = 1; i <= k; i++) {
				tmp.push_back(i);
			}
			answer(tmp);
		} else {
			impossible();
		}
		return;
	}
	
	int lo = k, hi = n + 1;
	while (lo < hi) {
		int mid = (lo + hi) / 2;
		val[mid] = skim(mid);
		if (val[mid] > a) {
			hi = mid;
		} else {
			lo = mid + 1;
		}
	}
	
	if (lo != n + 1 && sum + val[lo] <= 2 * a) {
		vector <int> tmp;
		for (int i = 1; i <= k - 1; i++) tmp.push_back(i);
		tmp.push_back(lo);
		answer(tmp);
		return;
	}
	if (lo == k) return;
	
	val[lo - 1] = skim(lo - 1);
	sum += val[lo - 1];
	for (int i = 1; i <= k - 1; i++) bio[i] = 1;
	bio[lo - 1] = 1;
	if (a <= sum && sum <= 2 * a) {
		answer(get_bio());
		return;
	}
	for (int i = 1; i <= k - 1; i++) {
		sum -= val[k - i];
		bio[k - i] = 0;
		val[lo - 1 - i] = skim(lo - 1 - i);
		sum += val[lo - 1 - i];
		bio[lo - 1 - i] = 1;
		if (a <= sum && sum <= 2 * a) {
			answer(get_bio());
			return;
		}
	}
	impossible();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 0 ms 308 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 0 ms 300 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 1 ms 328 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 280 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 328 KB Output is correct
9 Correct 1 ms 296 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 280 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 328 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 288 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 2 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 300 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 280 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 328 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 288 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 2 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 1 ms 280 KB Output is correct
29 Correct 0 ms 280 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 0 ms 200 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 292 KB Output is correct
36 Correct 1 ms 296 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 300 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 1 ms 296 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 320 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 288 KB Output is correct
47 Correct 1 ms 288 KB Output is correct
48 Correct 1 ms 292 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 300 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 280 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 328 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 288 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 2 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 296 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 1 ms 292 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 ms 200 KB Output is correct
31 Correct 1 ms 200 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 280 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 1 ms 200 KB Output is correct
36 Correct 1 ms 284 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 200 KB Output is correct
40 Correct 1 ms 280 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 1 ms 292 KB Output is correct
43 Correct 1 ms 280 KB Output is correct
44 Correct 1 ms 200 KB Output is correct
45 Correct 1 ms 276 KB Output is correct
46 Correct 2 ms 200 KB Output is correct
47 Correct 1 ms 300 KB Output is correct
48 Correct 1 ms 288 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 300 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 KB Output is correct
2 Correct 1 ms 280 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 ms 200 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 2 ms 328 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 288 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 2 ms 292 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 1 ms 280 KB Output is correct
29 Correct 0 ms 280 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 0 ms 200 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 292 KB Output is correct
36 Correct 1 ms 296 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 300 KB Output is correct
39 Correct 1 ms 300 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 1 ms 296 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 320 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 288 KB Output is correct
47 Correct 1 ms 288 KB Output is correct
48 Correct 1 ms 292 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 300 KB Output is correct
51 Correct 1 ms 296 KB Output is correct
52 Correct 1 ms 328 KB Output is correct
53 Correct 1 ms 292 KB Output is correct
54 Correct 1 ms 200 KB Output is correct
55 Correct 1 ms 200 KB Output is correct
56 Correct 1 ms 200 KB Output is correct
57 Correct 1 ms 200 KB Output is correct
58 Correct 1 ms 280 KB Output is correct
59 Correct 1 ms 200 KB Output is correct
60 Correct 1 ms 200 KB Output is correct
61 Correct 1 ms 284 KB Output is correct
62 Correct 1 ms 200 KB Output is correct
63 Correct 1 ms 200 KB Output is correct
64 Correct 1 ms 200 KB Output is correct
65 Correct 1 ms 280 KB Output is correct
66 Correct 1 ms 200 KB Output is correct
67 Correct 1 ms 292 KB Output is correct
68 Correct 1 ms 280 KB Output is correct
69 Correct 1 ms 200 KB Output is correct
70 Correct 1 ms 276 KB Output is correct
71 Correct 2 ms 200 KB Output is correct
72 Correct 1 ms 300 KB Output is correct
73 Correct 1 ms 288 KB Output is correct
74 Correct 1 ms 328 KB Output is correct
75 Correct 1 ms 300 KB Output is correct
76 Correct 1 ms 200 KB Output is correct
77 Correct 1 ms 200 KB Output is correct
78 Correct 1 ms 200 KB Output is correct
79 Correct 1 ms 200 KB Output is correct
80 Correct 1 ms 200 KB Output is correct
81 Correct 1 ms 200 KB Output is correct
82 Correct 1 ms 256 KB Output is correct
83 Correct 1 ms 200 KB Output is correct
84 Correct 1 ms 300 KB Output is correct
85 Correct 1 ms 300 KB Output is correct
86 Correct 1 ms 300 KB Output is correct
87 Correct 2 ms 296 KB Output is correct
88 Correct 1 ms 300 KB Output is correct
89 Correct 1 ms 328 KB Output is correct
90 Correct 1 ms 296 KB Output is correct
91 Correct 1 ms 328 KB Output is correct
92 Correct 1 ms 292 KB Output is correct
93 Correct 1 ms 200 KB Output is correct
94 Correct 1 ms 292 KB Output is correct
95 Correct 1 ms 200 KB Output is correct
96 Correct 1 ms 200 KB Output is correct
97 Correct 1 ms 200 KB Output is correct
98 Correct 1 ms 200 KB Output is correct
99 Correct 2 ms 300 KB Output is correct
100 Correct 1 ms 200 KB Output is correct
101 Correct 1 ms 200 KB Output is correct
102 Correct 1 ms 280 KB Output is correct
103 Correct 1 ms 200 KB Output is correct
104 Correct 1 ms 200 KB Output is correct
105 Correct 1 ms 304 KB Output is correct
106 Correct 1 ms 200 KB Output is correct
107 Correct 1 ms 296 KB Output is correct
108 Correct 1 ms 200 KB Output is correct
109 Correct 1 ms 200 KB Output is correct
110 Correct 1 ms 280 KB Output is correct
111 Correct 1 ms 280 KB Output is correct
112 Correct 1 ms 200 KB Output is correct
113 Correct 1 ms 288 KB Output is correct
114 Correct 1 ms 328 KB Output is correct
115 Correct 1 ms 296 KB Output is correct
116 Correct 1 ms 320 KB Output is correct
117 Correct 1 ms 328 KB Output is correct
118 Correct 1 ms 200 KB Output is correct
119 Correct 1 ms 284 KB Output is correct
120 Correct 1 ms 320 KB Output is correct
121 Correct 1 ms 276 KB Output is correct
122 Correct 1 ms 328 KB Output is correct
123 Correct 1 ms 288 KB Output is correct
124 Correct 1 ms 304 KB Output is correct
125 Correct 1 ms 328 KB Output is correct
126 Correct 2 ms 284 KB Output is correct
127 Correct 1 ms 280 KB Output is correct
128 Correct 1 ms 288 KB Output is correct
129 Correct 1 ms 280 KB Output is correct
130 Correct 2 ms 288 KB Output is correct
131 Correct 1 ms 200 KB Output is correct
132 Correct 1 ms 200 KB Output is correct
133 Correct 1 ms 328 KB Output is correct
134 Correct 1 ms 304 KB Output is correct
135 Correct 1 ms 304 KB Output is correct