oj.uz

Submission #406190

# Submission time Handle Problem Language Result Execution time Memory
406190 2021-05-17T09:18:35 Z shenxy A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 3 ms 272 KB 
#include "books.h"
#include <algorithm>
#include <vector>
using namespace std;
/*long long skim(int i){return i;}
void answer(vector<int> v){}
void impossible(){}*/
void solve(int N, int K, long long A, int S) {
	if (skim(1) > A) impossible();
	int l = 1, r = N;
	while (l != r) {
		if (skim((l + r) / 2 + 1) <= A) l = (l + r) / 2 + 1;
		else r = (l + r) / 2;
	}
	vector<long long> x, pos;
	if (r <= 2 * K) {
		for (int i = 1; i <= r; ++i) pos.push_back(i), x.push_back(skim(i));
	} else {
		for (int i = 1; i <= K; ++i) pos.push_back(i), x.push_back(skim(i));
		for (int i = r - K + 1; i <= r; ++i) pos.push_back(i), x.push_back(skim(i));
	}
	if (r != N && r >= K - 1) {
		long long sum = 0;
		for (int i = 0; i < K - 1; ++i) sum += x[i];
		sum += skim(r + 1);
		if (sum <= 2 * A) {
			vector<int> ans;
			for (int i = 1; i < K; ++i) ans.push_back(i);
			ans.push_back(r + 1);
			answer(ans);
		}
	}
	if (r < K) impossible();
	long long sum = 0;
	for (int i = 0; i < K; ++i) sum += x[i];
	if (sum > 2 * A) impossible();
	if (sum >= A) {
		vector<int> ans;
		for (int i = 1; i <= K; ++i) ans.push_back(i);
		answer(ans);
	}
	for (int i = K; i < x.size(); ++i) {
		sum += x[i] - x[i - K];
		if (sum >= A) {
			vector<int> ans;
			for (int j = i; j > i - K; --j) ans.push_back(pos[j]);
			answer(ans);
		}
	}
    impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |  for (int i = K; i < x.size(); ++i) {
      |                  ~~^~~~~~~~~~

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 200 KB Output is correct
3 Correct 1 ms 200 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 1 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 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
9 Correct 1 ms 200 KB Output is correct
10 Correct 2 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 ms 200 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 2 ms 200 KB Output is correct
16 Correct 2 ms 200 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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
9 Correct 1 ms 200 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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
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 200 KB Output is correct
13 Correct 1 ms 200 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 200 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 200 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 200 KB Output is correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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
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 200 KB Output is correct
13 Correct 1 ms 200 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 200 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 200 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 200 KB Output is correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 2 ms 200 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 200 KB Output is correct
34 Correct 2 ms 200 KB Output is correct
35 Correct 2 ms 200 KB Output is correct
36 Correct 1 ms 200 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 200 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 1 ms 200 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 1 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 200 KB Output is correct
47 Correct 2 ms 200 KB Output is correct
48 Correct 2 ms 200 KB Output is correct
49 Correct 1 ms 200 KB Output is correct
50 Correct 2 ms 200 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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
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 200 KB Output is correct
13 Correct 1 ms 200 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 200 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 200 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 200 KB Output is correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 2 ms 200 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 200 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 2 ms 200 KB Output is correct
36 Correct 1 ms 200 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 200 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 1 ms 200 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 2 ms 200 KB Output is correct
47 Correct 1 ms 200 KB Output is correct
48 Correct 2 ms 200 KB Output is correct
49 Correct 1 ms 200 KB Output is correct
50 Correct 2 ms 200 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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
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 200 KB Output is correct
13 Correct 1 ms 200 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 200 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 200 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 200 KB Output is correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 1 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 2 ms 200 KB Output is correct
28 Correct 2 ms 200 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 200 KB Output is correct
34 Correct 2 ms 200 KB Output is correct
35 Correct 2 ms 200 KB Output is correct
36 Correct 1 ms 200 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 200 KB Output is correct
41 Correct 1 ms 200 KB Output is correct
42 Correct 1 ms 200 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 1 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 200 KB Output is correct
47 Correct 2 ms 200 KB Output is correct
48 Correct 2 ms 200 KB Output is correct
49 Correct 1 ms 200 KB Output is correct
50 Correct 2 ms 200 KB Output is correct
51 Correct 1 ms 200 KB Output is correct
52 Correct 1 ms 200 KB Output is correct
53 Correct 2 ms 200 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 200 KB Output is correct
59 Correct 1 ms 200 KB Output is correct
60 Correct 2 ms 200 KB Output is correct
61 Correct 1 ms 200 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 200 KB Output is correct
66 Correct 1 ms 200 KB Output is correct
67 Correct 1 ms 200 KB Output is correct
68 Correct 1 ms 200 KB Output is correct
69 Correct 1 ms 200 KB Output is correct
70 Correct 1 ms 200 KB Output is correct
71 Correct 2 ms 200 KB Output is correct
72 Correct 1 ms 200 KB Output is correct
73 Correct 2 ms 200 KB Output is correct
74 Correct 1 ms 200 KB Output is correct
75 Correct 2 ms 200 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 2 ms 200 KB Output is correct
82 Correct 1 ms 200 KB Output is correct
83 Correct 1 ms 200 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 1 ms 256 KB Output is correct
86 Correct 2 ms 200 KB Output is correct
87 Correct 2 ms 200 KB Output is correct
88 Correct 1 ms 200 KB Output is correct
89 Correct 1 ms 200 KB Output is correct
90 Correct 1 ms 200 KB Output is correct
91 Correct 1 ms 200 KB Output is correct
92 Correct 1 ms 200 KB Output is correct
93 Correct 1 ms 200 KB Output is correct
94 Correct 1 ms 200 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 1 ms 200 KB Output is correct
100 Correct 3 ms 200 KB Output is correct
101 Correct 1 ms 200 KB Output is correct
102 Correct 1 ms 200 KB Output is correct
103 Correct 1 ms 200 KB Output is correct
104 Correct 1 ms 200 KB Output is correct
105 Correct 2 ms 200 KB Output is correct
106 Correct 1 ms 200 KB Output is correct
107 Correct 2 ms 220 KB Output is correct
108 Correct 2 ms 200 KB Output is correct
109 Correct 1 ms 256 KB Output is correct
110 Correct 2 ms 200 KB Output is correct
111 Correct 1 ms 200 KB Output is correct
112 Correct 2 ms 200 KB Output is correct
113 Correct 2 ms 200 KB Output is correct
114 Correct 1 ms 200 KB Output is correct
115 Correct 1 ms 200 KB Output is correct
116 Correct 1 ms 272 KB Output is correct
117 Correct 1 ms 200 KB Output is correct
118 Correct 1 ms 200 KB Output is correct
119 Correct 1 ms 200 KB Output is correct
120 Correct 1 ms 220 KB Output is correct
121 Correct 1 ms 200 KB Output is correct
122 Correct 1 ms 200 KB Output is correct
123 Correct 1 ms 200 KB Output is correct
124 Correct 2 ms 200 KB Output is correct
125 Correct 1 ms 200 KB Output is correct
126 Correct 1 ms 200 KB Output is correct
127 Correct 1 ms 200 KB Output is correct
128 Correct 2 ms 200 KB Output is correct
129 Correct 1 ms 200 KB Output is correct
130 Correct 1 ms 200 KB Output is correct
131 Correct 1 ms 200 KB Output is correct
132 Correct 2 ms 200 KB Output is correct
133 Correct 1 ms 200 KB Output is correct
134 Correct 1 ms 200 KB Output is correct
135 Correct 2 ms 200 KB Output is correct