oj.uz

Submission #726855

# Submission time Handle Problem Language Result Execution time Memory
726855 2023-04-19T12:51:07 Z finn__ A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 2 ms 420 KB 
#include <bits/stdc++.h>
#include "books.h"
using namespace std;

constexpr size_t N = 100001;

long long cache[N];

long long query(int i) { return cache[i] ? cache[i] : cache[i] = skim(i); }

void solve(int N, int K, long long A, int S)
{
    int a = 1, b = N;
    while (a < b)
    {
        int mid = (a + b) / 2;
        if (query(mid) <= A)
            a = mid + 1;
        else
            b = mid;
    }
    long long sum = 0;
    for (size_t i = 1; i < K; ++i)
        sum += query(i);
    if (query(a) <= A)
        ++a;
    if (a <= N && query(a) + sum <= 2 * A)
    {
        vector<int> v(K);
        iota(v.begin(), v.begin() + K - 1, 1);
        v.back() = a;
        answer(v);
    }
    sum += query(K);
    if (A <= sum && sum <= 2 * A)
    {
        vector<int> v(K);
        iota(v.begin(), v.end(), 1);
        answer(v);
    }
    if (2 * K >= a)
    {
        for (size_t i = K + 1; i < a; ++i)
        {
            sum -= query(i - K);
            sum += query(i);
            if (A <= sum && sum <= 2 * A)
            {
                vector<int> v;
                iota(v.begin(), v.end(), i - K + 1);
                answer(v);
            }
        }
    }
    else
    {
        for (size_t i = 0; i < K; ++i)
        {
            sum -= query(K - i);
            sum += query(a - K + i);
            if (A <= sum && sum <= 2 * A)
            {
                vector<int> v(K);
                iota(v.begin(), v.begin() + K - i - 1, 1);
                iota(v.begin() + K - i - 1, v.end(), a - K);
                answer(v);
            }
        }
    }
    impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:23:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     for (size_t i = 1; i < K; ++i)
      |                        ~~^~~
books.cpp:43:34: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   43 |         for (size_t i = K + 1; i < a; ++i)
      |                                ~~^~~
books.cpp:57:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   57 |         for (size_t i = 0; i < K; ++i)
      |                            ~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 256 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 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 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 304 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 308 KB Output is correct
16 Correct 1 ms 304 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 2 ms 420 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 304 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 2 ms 420 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 292 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 336 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 2 ms 420 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 292 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 416 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 2 ms 304 KB Output is correct
36 Correct 1 ms 292 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 300 KB Output is correct
39 Correct 1 ms 292 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 208 KB Output is correct
43 Correct 1 ms 304 KB Output is correct
44 Correct 1 ms 304 KB Output is correct
45 Correct 1 ms 304 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 1 ms 292 KB Output is correct
48 Correct 1 ms 304 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 ms 304 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 2 ms 420 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 292 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 1 ms 304 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 292 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 324 KB Output is correct
32 Correct 1 ms 288 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 304 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 304 KB Output is correct
37 Correct 1 ms 308 KB Output is correct
38 Correct 1 ms 292 KB Output is correct
39 Correct 1 ms 288 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 1 ms 316 KB Output is correct
42 Correct 1 ms 304 KB Output is correct
43 Correct 1 ms 316 KB Output is correct
44 Correct 1 ms 288 KB Output is correct
45 Correct 1 ms 296 KB Output is correct
46 Correct 1 ms 308 KB Output is correct
47 Correct 2 ms 316 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 1 ms 316 KB Output is correct
50 Correct 1 ms 320 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 2 ms 420 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 292 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 312 KB Output is correct
15 Correct 1 ms 292 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 308 KB Output is correct
30 Correct 1 ms 304 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 1 ms 308 KB Output is correct
33 Correct 1 ms 416 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 2 ms 304 KB Output is correct
36 Correct 1 ms 292 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 300 KB Output is correct
39 Correct 1 ms 292 KB Output is correct
40 Correct 1 ms 308 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 208 KB Output is correct
43 Correct 1 ms 304 KB Output is correct
44 Correct 1 ms 304 KB Output is correct
45 Correct 1 ms 304 KB Output is correct
46 Correct 1 ms 304 KB Output is correct
47 Correct 1 ms 292 KB Output is correct
48 Correct 1 ms 304 KB Output is correct
49 Correct 1 ms 300 KB Output is correct
50 Correct 1 ms 304 KB Output is correct
51 Correct 1 ms 300 KB Output is correct
52 Correct 1 ms 304 KB Output is correct
53 Correct 1 ms 308 KB Output is correct
54 Correct 1 ms 292 KB Output is correct
55 Correct 1 ms 312 KB Output is correct
56 Correct 1 ms 324 KB Output is correct
57 Correct 1 ms 288 KB Output is correct
58 Correct 1 ms 300 KB Output is correct
59 Correct 1 ms 304 KB Output is correct
60 Correct 1 ms 304 KB Output is correct
61 Correct 1 ms 304 KB Output is correct
62 Correct 1 ms 308 KB Output is correct
63 Correct 1 ms 292 KB Output is correct
64 Correct 1 ms 288 KB Output is correct
65 Correct 1 ms 304 KB Output is correct
66 Correct 1 ms 316 KB Output is correct
67 Correct 1 ms 304 KB Output is correct
68 Correct 1 ms 316 KB Output is correct
69 Correct 1 ms 288 KB Output is correct
70 Correct 1 ms 296 KB Output is correct
71 Correct 1 ms 308 KB Output is correct
72 Correct 2 ms 316 KB Output is correct
73 Correct 1 ms 296 KB Output is correct
74 Correct 1 ms 316 KB Output is correct
75 Correct 1 ms 320 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 0 ms 208 KB Output is correct
78 Correct 1 ms 208 KB Output is correct
79 Correct 1 ms 208 KB Output is correct
80 Correct 1 ms 208 KB Output is correct
81 Correct 1 ms 240 KB Output is correct
82 Correct 1 ms 220 KB Output is correct
83 Correct 1 ms 216 KB Output is correct
84 Correct 1 ms 312 KB Output is correct
85 Correct 2 ms 316 KB Output is correct
86 Correct 1 ms 304 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 1 ms 308 KB Output is correct
89 Correct 1 ms 304 KB Output is correct
90 Correct 1 ms 336 KB Output is correct
91 Correct 1 ms 300 KB Output is correct
92 Correct 1 ms 300 KB Output is correct
93 Correct 1 ms 308 KB Output is correct
94 Correct 2 ms 308 KB Output is correct
95 Correct 1 ms 296 KB Output is correct
96 Correct 1 ms 304 KB Output is correct
97 Correct 1 ms 284 KB Output is correct
98 Correct 1 ms 316 KB Output is correct
99 Correct 1 ms 312 KB Output is correct
100 Correct 1 ms 324 KB Output is correct
101 Correct 1 ms 304 KB Output is correct
102 Correct 1 ms 220 KB Output is correct
103 Correct 1 ms 316 KB Output is correct
104 Correct 1 ms 304 KB Output is correct
105 Correct 1 ms 308 KB Output is correct
106 Correct 1 ms 292 KB Output is correct
107 Correct 1 ms 208 KB Output is correct
108 Correct 1 ms 300 KB Output is correct
109 Correct 1 ms 328 KB Output is correct
110 Correct 1 ms 300 KB Output is correct
111 Correct 1 ms 292 KB Output is correct
112 Correct 1 ms 296 KB Output is correct
113 Correct 1 ms 292 KB Output is correct
114 Correct 1 ms 304 KB Output is correct
115 Correct 1 ms 288 KB Output is correct
116 Correct 2 ms 316 KB Output is correct
117 Correct 1 ms 320 KB Output is correct
118 Correct 1 ms 304 KB Output is correct
119 Correct 1 ms 300 KB Output is correct
120 Correct 1 ms 304 KB Output is correct
121 Correct 1 ms 212 KB Output is correct
122 Correct 1 ms 300 KB Output is correct
123 Correct 1 ms 304 KB Output is correct
124 Correct 1 ms 304 KB Output is correct
125 Correct 1 ms 304 KB Output is correct
126 Correct 1 ms 312 KB Output is correct
127 Correct 1 ms 288 KB Output is correct
128 Correct 1 ms 300 KB Output is correct
129 Correct 1 ms 300 KB Output is correct
130 Correct 2 ms 300 KB Output is correct
131 Correct 2 ms 296 KB Output is correct
132 Correct 1 ms 304 KB Output is correct
133 Correct 1 ms 308 KB Output is correct
134 Correct 1 ms 308 KB Output is correct
135 Correct 2 ms 300 KB Output is correct