oj.uz

Submission #918309

# Submission time Handle Problem Language Result Execution time Memory
918309 2024-01-29T15:17:26 Z aykhn A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 1 ms 760 KB 
#include <bits/stdc++.h>
#include "books.h"
using namespace std;
const int MXN = 1e5 + 5;

long long a[MXN];

long long val(long long i)
{
    return !a[i] ? a[i] = skim(i) : a[i];
}

void solve(int N, int K, long long A, int S) 
{
    if (K > N)
    {
        impossible();
        return;
    }
    long long l = 1, r = N + 1;
    while (l < r)
    {
        long long mid = (l + r) >> 1;
        if (val(mid) >= A) r = mid;
        else l = mid + 1;
    }
    if (l < K)
    {
        impossible();
        return;
    }
    if (l < N + 1)
    {
        long long res = 0;
        for (long long i = 1; i < K; i++)
        {
            res += val(i);
        }
        res += val(l);
        if (A <= res && res <= 2*A)
        {
            vector<int> v(K - 1);
            iota(v.begin(), v.end(), 1);
            v.push_back(l);
            answer(v);
            return;
        }
    }
    long long m = l - 1;
    set<long long> s;
    // min sub
    for (long long i = 1; i <= K; i++) s.insert(i);
    // max sub
    for (long long i = m - K + 1; i <= m; i++) s.insert(i);
    vector<long long> arr;
    for (long long x : s) arr.push_back(x);
    long long res = 0;
    for (long long i = 0; i < K; i++) res += val(arr[i]);
    for (long long i = 0; i + K <= arr.size(); i++)
    {
        if (res >= A)
        {
            vector<int> v;
            for (long long j = i; j < i + K; j++) v.push_back(arr[j]);
            answer(v);
            return;
        }
        if (i + K == arr.size()) break;
        res -= val(arr[i]);
        res += val(arr[i + K]);
    }
    impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:59:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     for (long long i = 0; i + K <= arr.size(); i++)
      |                           ~~~~~~^~~~~~~~~~~~~
books.cpp:68:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |         if (i + K == arr.size()) break;
      |             ~~~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 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

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 760 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 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 1 ms 344 KB Output is correct
8 Correct 0 ms 596 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 500 KB Output is correct
16 Correct 1 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 440 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 440 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 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 440 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 440 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 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 0 ms 440 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 0 ms 448 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 444 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 440 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 440 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 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 0 ms 440 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 0 ms 448 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 444 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 0 ms 600 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 444 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 0 ms 444 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 0 ms 448 KB Output is correct
40 Correct 0 ms 452 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 600 KB Output is correct
43 Correct 0 ms 600 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 600 KB Output is correct
46 Correct 0 ms 600 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 344 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 440 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 440 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 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 0 ms 440 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 0 ms 448 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 444 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 448 KB Output is correct
28 Correct 1 ms 600 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 440 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 0 ms 600 KB Output is correct
36 Correct 1 ms 672 KB Output is correct
37 Correct 1 ms 600 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 0 ms 440 KB Output is correct
40 Correct 1 ms 596 KB Output is correct
41 Correct 1 ms 600 KB Output is correct
42 Correct 1 ms 444 KB Output is correct
43 Correct 0 ms 600 KB Output is correct
44 Correct 0 ms 344 KB Output is correct
45 Correct 1 ms 344 KB Output is correct
46 Correct 0 ms 600 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 608 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 1 ms 444 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 440 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 0 ms 440 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 600 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 0 ms 440 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 0 ms 448 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 444 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 600 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 0 ms 600 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 444 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 0 ms 444 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 0 ms 448 KB Output is correct
40 Correct 0 ms 452 KB Output is correct
41 Correct 0 ms 344 KB Output is correct
42 Correct 1 ms 600 KB Output is correct
43 Correct 0 ms 600 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 600 KB Output is correct
46 Correct 0 ms 600 KB Output is correct
47 Correct 1 ms 344 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 1 ms 600 KB Output is correct
52 Correct 1 ms 448 KB Output is correct
53 Correct 1 ms 600 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 440 KB Output is correct
57 Correct 1 ms 344 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 460 KB Output is correct
60 Correct 0 ms 600 KB Output is correct
61 Correct 1 ms 672 KB Output is correct
62 Correct 1 ms 600 KB Output is correct
63 Correct 1 ms 344 KB Output is correct
64 Correct 0 ms 440 KB Output is correct
65 Correct 1 ms 596 KB Output is correct
66 Correct 1 ms 600 KB Output is correct
67 Correct 1 ms 444 KB Output is correct
68 Correct 0 ms 600 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 1 ms 344 KB Output is correct
71 Correct 0 ms 600 KB Output is correct
72 Correct 0 ms 344 KB Output is correct
73 Correct 0 ms 608 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 1 ms 444 KB Output is correct
76 Correct 1 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 1 ms 344 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 1 ms 344 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 344 KB Output is correct
86 Correct 0 ms 448 KB Output is correct
87 Correct 1 ms 344 KB Output is correct
88 Correct 0 ms 600 KB Output is correct
89 Correct 1 ms 344 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 1 ms 344 KB Output is correct
92 Correct 1 ms 440 KB Output is correct
93 Correct 1 ms 600 KB Output is correct
94 Correct 1 ms 440 KB Output is correct
95 Correct 1 ms 708 KB Output is correct
96 Correct 1 ms 600 KB Output is correct
97 Correct 1 ms 344 KB Output is correct
98 Correct 0 ms 600 KB Output is correct
99 Correct 1 ms 600 KB Output is correct
100 Correct 1 ms 344 KB Output is correct
101 Correct 1 ms 440 KB Output is correct
102 Correct 0 ms 344 KB Output is correct
103 Correct 0 ms 600 KB Output is correct
104 Correct 0 ms 344 KB Output is correct
105 Correct 1 ms 344 KB Output is correct
106 Correct 0 ms 696 KB Output is correct
107 Correct 0 ms 344 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 0 ms 448 KB Output is correct
110 Correct 0 ms 348 KB Output is correct
111 Correct 1 ms 600 KB Output is correct
112 Correct 1 ms 344 KB Output is correct
113 Correct 0 ms 608 KB Output is correct
114 Correct 0 ms 600 KB Output is correct
115 Correct 0 ms 608 KB Output is correct
116 Correct 1 ms 600 KB Output is correct
117 Correct 1 ms 596 KB Output is correct
118 Correct 1 ms 600 KB Output is correct
119 Correct 1 ms 600 KB Output is correct
120 Correct 0 ms 608 KB Output is correct
121 Correct 0 ms 600 KB Output is correct
122 Correct 0 ms 344 KB Output is correct
123 Correct 1 ms 608 KB Output is correct
124 Correct 0 ms 344 KB Output is correct
125 Correct 0 ms 344 KB Output is correct
126 Correct 1 ms 748 KB Output is correct
127 Correct 0 ms 344 KB Output is correct
128 Correct 0 ms 608 KB Output is correct
129 Correct 1 ms 344 KB Output is correct
130 Correct 1 ms 600 KB Output is correct
131 Correct 0 ms 344 KB Output is correct
132 Correct 0 ms 436 KB Output is correct
133 Correct 0 ms 596 KB Output is correct
134 Correct 0 ms 600 KB Output is correct
135 Correct 1 ms 344 KB Output is correct