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Submission #575317

# Submission time Handle Problem Language Result Execution time Memory
575317 2022-06-10T07:47:22 Z timreizin A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 3 ms 1104 KB 
#include <vector>
#include <deque>
#include "books.h"

using namespace std;

using ll = long long;

void solve(int n, int k, long long a, int s)
{
    vector<ll> x(n + 1);
    ll sum = 0;
    for (int i = 1; i < k; ++i)
    {
        x[i] = skim(i);
        sum += x[i];
    }
    if (sum > 2 * a)
    {
        impossible();
        return;
    }
    if (sum >= a)
    {
        sum += skim(k);
        if (sum > 2 * a) impossible();
        else
        {
            vector<int> res;
            for (int i = 1; i <= k; ++i) res.push_back(i);
            answer(res);
        }
        return;
    }
    //sum of first k - 1 - < a
    ll d = a - sum;
    ll i = 0;
    for (int j = 19; j >= 0; --j)
    {
        if (i + (1 << j) <= n)
        {
            x[i + (1 << j)] = skim(i + (1 << j));
            if (x[i + (1 << j)] <= d + a) i += (1 << j);
        }
    }
    //i = last <= d + a
    if (i < k)
    {
        impossible();
        return;
    }
    if (x[i] >= d)
    {
        vector<int> res;
        for (int i = 1; i < k; ++i) res.push_back(i);
        res.push_back(i);
        answer(res);
        return;
    }
    sum += x[i];
    deque<int> res;
    for (int i = 1; i < k; ++i) res.push_back(i);
    res.push_back(i);
    for (int j = 1, w = i - 1; j < k; ++j, --w)
    {
        if (w == k - 1) break;
        ll val = skim(w);
        sum -= x[j];
        sum += val;
        res.pop_front();
        res.push_back(w);
        if (sum >= a)
        {
            vector<int> res2;
            for (int i : res) res2.push_back(i);
            answer(res2);
        }
    }
    impossible();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 464 KB Output is correct
10 Correct 1 ms 464 KB Output is correct
11 Correct 1 ms 464 KB Output is correct
12 Correct 1 ms 464 KB Output is correct
13 Correct 1 ms 464 KB Output is correct
14 Correct 1 ms 464 KB Output is correct
15 Correct 1 ms 464 KB Output is correct
16 Correct 2 ms 464 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 976 KB Output is correct
2 Correct 2 ms 976 KB Output is correct
3 Correct 2 ms 976 KB Output is correct
4 Correct 2 ms 976 KB Output is correct
5 Correct 1 ms 976 KB Output is correct
6 Correct 1 ms 976 KB Output is correct
7 Correct 1 ms 976 KB Output is correct
8 Correct 1 ms 976 KB Output is correct
9 Correct 1 ms 976 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 976 KB Output is correct
2 Correct 2 ms 976 KB Output is correct
3 Correct 2 ms 976 KB Output is correct
4 Correct 2 ms 976 KB Output is correct
5 Correct 1 ms 976 KB Output is correct
6 Correct 1 ms 976 KB Output is correct
7 Correct 1 ms 976 KB Output is correct
8 Correct 1 ms 976 KB Output is correct
9 Correct 1 ms 976 KB Output is correct
10 Correct 3 ms 976 KB Output is correct
11 Correct 2 ms 976 KB Output is correct
12 Correct 1 ms 976 KB Output is correct
13 Correct 1 ms 976 KB Output is correct
14 Correct 1 ms 976 KB Output is correct
15 Correct 1 ms 976 KB Output is correct
16 Correct 1 ms 976 KB Output is correct
17 Correct 3 ms 976 KB Output is correct
18 Correct 1 ms 976 KB Output is correct
19 Correct 1 ms 976 KB Output is correct
20 Correct 2 ms 976 KB Output is correct
21 Correct 1 ms 976 KB Output is correct
22 Correct 1 ms 976 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 1048 KB Output is correct
25 Correct 2 ms 976 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 976 KB Output is correct
2 Correct 2 ms 976 KB Output is correct
3 Correct 2 ms 976 KB Output is correct
4 Correct 2 ms 976 KB Output is correct
5 Correct 1 ms 976 KB Output is correct
6 Correct 1 ms 976 KB Output is correct
7 Correct 1 ms 976 KB Output is correct
8 Correct 1 ms 976 KB Output is correct
9 Correct 1 ms 976 KB Output is correct
10 Correct 3 ms 976 KB Output is correct
11 Correct 2 ms 976 KB Output is correct
12 Correct 1 ms 976 KB Output is correct
13 Correct 1 ms 976 KB Output is correct
14 Correct 1 ms 976 KB Output is correct
15 Correct 1 ms 976 KB Output is correct
16 Correct 1 ms 976 KB Output is correct
17 Correct 3 ms 976 KB Output is correct
18 Correct 1 ms 976 KB Output is correct
19 Correct 1 ms 976 KB Output is correct
20 Correct 2 ms 976 KB Output is correct
21 Correct 1 ms 976 KB Output is correct
22 Correct 1 ms 976 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 1048 KB Output is correct
25 Correct 2 ms 976 KB Output is correct
26 Correct 1 ms 1044 KB Output is correct
27 Correct 1 ms 1104 KB Output is correct
28 Correct 1 ms 1048 KB Output is correct
29 Correct 1 ms 1052 KB Output is correct
30 Correct 1 ms 1044 KB Output is correct
31 Correct 1 ms 976 KB Output is correct
32 Correct 1 ms 976 KB Output is correct
33 Correct 2 ms 1044 KB Output is correct
34 Correct 1 ms 1048 KB Output is correct
35 Correct 1 ms 1044 KB Output is correct
36 Correct 1 ms 968 KB Output is correct
37 Correct 1 ms 1044 KB Output is correct
38 Correct 1 ms 1044 KB Output is correct
39 Correct 1 ms 1040 KB Output is correct
40 Correct 1 ms 976 KB Output is correct
41 Correct 1 ms 976 KB Output is correct
42 Correct 1 ms 980 KB Output is correct
43 Correct 1 ms 976 KB Output is correct
44 Correct 1 ms 1040 KB Output is correct
45 Correct 1 ms 976 KB Output is correct
46 Correct 1 ms 1044 KB Output is correct
47 Correct 1 ms 1048 KB Output is correct
48 Correct 2 ms 1036 KB Output is correct
49 Correct 1 ms 1044 KB Output is correct
50 Correct 1 ms 1048 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 976 KB Output is correct
2 Correct 2 ms 976 KB Output is correct
3 Correct 2 ms 976 KB Output is correct
4 Correct 2 ms 976 KB Output is correct
5 Correct 1 ms 976 KB Output is correct
6 Correct 1 ms 976 KB Output is correct
7 Correct 1 ms 976 KB Output is correct
8 Correct 1 ms 976 KB Output is correct
9 Correct 1 ms 976 KB Output is correct
10 Correct 3 ms 976 KB Output is correct
11 Correct 2 ms 976 KB Output is correct
12 Correct 1 ms 976 KB Output is correct
13 Correct 1 ms 976 KB Output is correct
14 Correct 1 ms 976 KB Output is correct
15 Correct 1 ms 976 KB Output is correct
16 Correct 1 ms 976 KB Output is correct
17 Correct 3 ms 976 KB Output is correct
18 Correct 1 ms 976 KB Output is correct
19 Correct 1 ms 976 KB Output is correct
20 Correct 2 ms 976 KB Output is correct
21 Correct 1 ms 976 KB Output is correct
22 Correct 1 ms 976 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 1048 KB Output is correct
25 Correct 2 ms 976 KB Output is correct
26 Correct 1 ms 1044 KB Output is correct
27 Correct 1 ms 1040 KB Output is correct
28 Correct 1 ms 976 KB Output is correct
29 Correct 1 ms 976 KB Output is correct
30 Correct 1 ms 1044 KB Output is correct
31 Correct 1 ms 1048 KB Output is correct
32 Correct 1 ms 976 KB Output is correct
33 Correct 1 ms 1052 KB Output is correct
34 Correct 1 ms 976 KB Output is correct
35 Correct 1 ms 1040 KB Output is correct
36 Correct 1 ms 1048 KB Output is correct
37 Correct 1 ms 1048 KB Output is correct
38 Correct 1 ms 1048 KB Output is correct
39 Correct 1 ms 976 KB Output is correct
40 Correct 1 ms 976 KB Output is correct
41 Correct 1 ms 1048 KB Output is correct
42 Correct 1 ms 1044 KB Output is correct
43 Correct 1 ms 1044 KB Output is correct
44 Correct 2 ms 1024 KB Output is correct
45 Correct 1 ms 1052 KB Output is correct
46 Correct 1 ms 976 KB Output is correct
47 Correct 1 ms 1048 KB Output is correct
48 Correct 1 ms 1052 KB Output is correct
49 Correct 1 ms 976 KB Output is correct
50 Correct 1 ms 1052 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 976 KB Output is correct
2 Correct 2 ms 976 KB Output is correct
3 Correct 2 ms 976 KB Output is correct
4 Correct 2 ms 976 KB Output is correct
5 Correct 1 ms 976 KB Output is correct
6 Correct 1 ms 976 KB Output is correct
7 Correct 1 ms 976 KB Output is correct
8 Correct 1 ms 976 KB Output is correct
9 Correct 1 ms 976 KB Output is correct
10 Correct 3 ms 976 KB Output is correct
11 Correct 2 ms 976 KB Output is correct
12 Correct 1 ms 976 KB Output is correct
13 Correct 1 ms 976 KB Output is correct
14 Correct 1 ms 976 KB Output is correct
15 Correct 1 ms 976 KB Output is correct
16 Correct 1 ms 976 KB Output is correct
17 Correct 3 ms 976 KB Output is correct
18 Correct 1 ms 976 KB Output is correct
19 Correct 1 ms 976 KB Output is correct
20 Correct 2 ms 976 KB Output is correct
21 Correct 1 ms 976 KB Output is correct
22 Correct 1 ms 976 KB Output is correct
23 Correct 1 ms 976 KB Output is correct
24 Correct 1 ms 1048 KB Output is correct
25 Correct 2 ms 976 KB Output is correct
26 Correct 1 ms 1044 KB Output is correct
27 Correct 1 ms 1104 KB Output is correct
28 Correct 1 ms 1048 KB Output is correct
29 Correct 1 ms 1052 KB Output is correct
30 Correct 1 ms 1044 KB Output is correct
31 Correct 1 ms 976 KB Output is correct
32 Correct 1 ms 976 KB Output is correct
33 Correct 2 ms 1044 KB Output is correct
34 Correct 1 ms 1048 KB Output is correct
35 Correct 1 ms 1044 KB Output is correct
36 Correct 1 ms 968 KB Output is correct
37 Correct 1 ms 1044 KB Output is correct
38 Correct 1 ms 1044 KB Output is correct
39 Correct 1 ms 1040 KB Output is correct
40 Correct 1 ms 976 KB Output is correct
41 Correct 1 ms 976 KB Output is correct
42 Correct 1 ms 980 KB Output is correct
43 Correct 1 ms 976 KB Output is correct
44 Correct 1 ms 1040 KB Output is correct
45 Correct 1 ms 976 KB Output is correct
46 Correct 1 ms 1044 KB Output is correct
47 Correct 1 ms 1048 KB Output is correct
48 Correct 2 ms 1036 KB Output is correct
49 Correct 1 ms 1044 KB Output is correct
50 Correct 1 ms 1048 KB Output is correct
51 Correct 1 ms 1044 KB Output is correct
52 Correct 1 ms 1040 KB Output is correct
53 Correct 1 ms 976 KB Output is correct
54 Correct 1 ms 976 KB Output is correct
55 Correct 1 ms 1044 KB Output is correct
56 Correct 1 ms 1048 KB Output is correct
57 Correct 1 ms 976 KB Output is correct
58 Correct 1 ms 1052 KB Output is correct
59 Correct 1 ms 976 KB Output is correct
60 Correct 1 ms 1040 KB Output is correct
61 Correct 1 ms 1048 KB Output is correct
62 Correct 1 ms 1048 KB Output is correct
63 Correct 1 ms 1048 KB Output is correct
64 Correct 1 ms 976 KB Output is correct
65 Correct 1 ms 976 KB Output is correct
66 Correct 1 ms 1048 KB Output is correct
67 Correct 1 ms 1044 KB Output is correct
68 Correct 1 ms 1044 KB Output is correct
69 Correct 2 ms 1024 KB Output is correct
70 Correct 1 ms 1052 KB Output is correct
71 Correct 1 ms 976 KB Output is correct
72 Correct 1 ms 1048 KB Output is correct
73 Correct 1 ms 1052 KB Output is correct
74 Correct 1 ms 976 KB Output is correct
75 Correct 1 ms 1052 KB Output is correct
76 Correct 1 ms 208 KB Output is correct
77 Correct 1 ms 208 KB Output is correct
78 Correct 1 ms 208 KB Output is correct
79 Correct 2 ms 208 KB Output is correct
80 Correct 2 ms 208 KB Output is correct
81 Correct 2 ms 208 KB Output is correct
82 Correct 1 ms 208 KB Output is correct
83 Correct 1 ms 208 KB Output is correct
84 Correct 2 ms 404 KB Output is correct
85 Correct 1 ms 464 KB Output is correct
86 Correct 1 ms 464 KB Output is correct
87 Correct 1 ms 464 KB Output is correct
88 Correct 1 ms 464 KB Output is correct
89 Correct 1 ms 464 KB Output is correct
90 Correct 1 ms 464 KB Output is correct
91 Correct 1 ms 464 KB Output is correct
92 Correct 1 ms 1048 KB Output is correct
93 Correct 1 ms 1052 KB Output is correct
94 Correct 1 ms 1028 KB Output is correct
95 Correct 1 ms 976 KB Output is correct
96 Correct 1 ms 1048 KB Output is correct
97 Correct 1 ms 976 KB Output is correct
98 Correct 1 ms 976 KB Output is correct
99 Correct 2 ms 1048 KB Output is correct
100 Correct 1 ms 1048 KB Output is correct
101 Correct 1 ms 1104 KB Output is correct
102 Correct 1 ms 1040 KB Output is correct
103 Correct 1 ms 1048 KB Output is correct
104 Correct 1 ms 1048 KB Output is correct
105 Correct 1 ms 976 KB Output is correct
106 Correct 1 ms 976 KB Output is correct
107 Correct 1 ms 1048 KB Output is correct
108 Correct 1 ms 976 KB Output is correct
109 Correct 1 ms 976 KB Output is correct
110 Correct 1 ms 976 KB Output is correct
111 Correct 1 ms 1048 KB Output is correct
112 Correct 1 ms 1048 KB Output is correct
113 Correct 1 ms 1044 KB Output is correct
114 Correct 1 ms 1052 KB Output is correct
115 Correct 1 ms 976 KB Output is correct
116 Correct 1 ms 1044 KB Output is correct
117 Correct 1 ms 976 KB Output is correct
118 Correct 1 ms 1048 KB Output is correct
119 Correct 1 ms 1040 KB Output is correct
120 Correct 1 ms 1048 KB Output is correct
121 Correct 1 ms 1040 KB Output is correct
122 Correct 1 ms 1040 KB Output is correct
123 Correct 1 ms 976 KB Output is correct
124 Correct 1 ms 1032 KB Output is correct
125 Correct 1 ms 976 KB Output is correct
126 Correct 1 ms 976 KB Output is correct
127 Correct 1 ms 1044 KB Output is correct
128 Correct 1 ms 1044 KB Output is correct
129 Correct 1 ms 976 KB Output is correct
130 Correct 1 ms 1044 KB Output is correct
131 Correct 1 ms 1048 KB Output is correct
132 Correct 1 ms 1052 KB Output is correct
133 Correct 1 ms 1048 KB Output is correct
134 Correct 1 ms 1052 KB Output is correct
135 Correct 1 ms 976 KB Output is correct