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Submission #859483

# Submission time Handle Problem Language Result Execution time Memory
859483 2023-10-10T08:21:36 Z maks007 A Difficult(y) Choice (BOI21_books) C++14
100 / 100
 53 ms 1412 KB 
#include <bits/stdc++.h>
 
#include "books.h"
// #include "grader.cpp"
 
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.
//
 
void solve(int n, int k, long long a, int s) {
    int l = 0, r = n - 1;
    vector <long long> mp(n, -1);
    map <long long, int> rev;
    while(l < r) {
        int mid = (l + r + 1) / 2;
        mp[mid] = skim(mid + 1);
        rev[mp[mid]] = mid;
        if(mp[mid] >= a) r = mid - 1;
        else l = mid; 
    }
    l ++;
    l = min(l, n-1);
    vector <long long> v;
    for(int i = 0; i < k; i ++) {
        if(mp[i] == -1) {
            mp[i] = skim(i+1);
            rev[mp[i]] = i;
        }
        v.push_back(mp[i]);
    }
    for(int i = l; i >= max(0, l-k+1); i --) {
        if(mp[i] == -1) {
            mp[i] = skim(i+1);
            rev[mp[i]] = i;
        }
        v.push_back(mp[i]);
    }
    for(int mask = 0; mask < (1 << (int)v.size()); mask ++) {
        if(__builtin_popcount(mask) != k) continue;
        long long sum = 0;
        vector <int> ans;
        for(int i = 0; i < v.size(); i ++) {
            if(mask & (1 << i)) {
                sum += v[i];
                ans.push_back(rev[v[i]] + 1);
            }
        }
        if(sum >= a && sum <= 2LL * a) {
            answer(ans);
        }
    }
    impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:50:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         for(int i = 0; i < v.size(); i ++) {
      |                        ~~^~~~~~~~~~

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 0 ms 344 KB Output is correct
4 Correct 1 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 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 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
9 Correct 0 ms 820 KB Output is correct
10 Correct 0 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 45 ms 820 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 0 ms 856 KB Output is correct
15 Correct 1 ms 644 KB Output is correct
16 Correct 45 ms 648 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 1 ms 1368 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 45 ms 1368 KB Output is correct
9 Correct 1 ms 1368 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 1 ms 1368 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 45 ms 1368 KB Output is correct
9 Correct 1 ms 1368 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1404 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1368 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1192 KB Output is correct
16 Correct 1 ms 1364 KB Output is correct
17 Correct 45 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1232 KB Output is correct
20 Correct 1 ms 1112 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 1 ms 1200 KB Output is correct
23 Correct 1 ms 1112 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1368 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 1 ms 1368 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 45 ms 1368 KB Output is correct
9 Correct 1 ms 1368 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1404 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1368 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1192 KB Output is correct
16 Correct 1 ms 1364 KB Output is correct
17 Correct 45 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1232 KB Output is correct
20 Correct 1 ms 1112 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 1 ms 1200 KB Output is correct
23 Correct 1 ms 1112 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1368 KB Output is correct
26 Correct 1 ms 1112 KB Output is correct
27 Correct 1 ms 1112 KB Output is correct
28 Correct 1 ms 1112 KB Output is correct
29 Correct 1 ms 1368 KB Output is correct
30 Correct 1 ms 1112 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 51 ms 1368 KB Output is correct
34 Correct 1 ms 1368 KB Output is correct
35 Correct 1 ms 1368 KB Output is correct
36 Correct 1 ms 1112 KB Output is correct
37 Correct 1 ms 1192 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 1 ms 1232 KB Output is correct
40 Correct 1 ms 1112 KB Output is correct
41 Correct 1 ms 1232 KB Output is correct
42 Correct 1 ms 1112 KB Output is correct
43 Correct 1 ms 1368 KB Output is correct
44 Correct 1 ms 1368 KB Output is correct
45 Correct 1 ms 1112 KB Output is correct
46 Correct 1 ms 1396 KB Output is correct
47 Correct 5 ms 1112 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1368 KB Output is correct
50 Correct 45 ms 1112 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 1 ms 1368 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 45 ms 1368 KB Output is correct
9 Correct 1 ms 1368 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1404 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1368 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1192 KB Output is correct
16 Correct 1 ms 1364 KB Output is correct
17 Correct 45 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1232 KB Output is correct
20 Correct 1 ms 1112 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 1 ms 1200 KB Output is correct
23 Correct 1 ms 1112 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1368 KB Output is correct
26 Correct 1 ms 1112 KB Output is correct
27 Correct 1 ms 1240 KB Output is correct
28 Correct 1 ms 1232 KB Output is correct
29 Correct 1 ms 1196 KB Output is correct
30 Correct 1 ms 1112 KB Output is correct
31 Correct 1 ms 1368 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 45 ms 1408 KB Output is correct
34 Correct 1 ms 1368 KB Output is correct
35 Correct 1 ms 1368 KB Output is correct
36 Correct 1 ms 1368 KB Output is correct
37 Correct 1 ms 1368 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 1 ms 1408 KB Output is correct
40 Correct 1 ms 1112 KB Output is correct
41 Correct 1 ms 1368 KB Output is correct
42 Correct 1 ms 1112 KB Output is correct
43 Correct 1 ms 1112 KB Output is correct
44 Correct 1 ms 1368 KB Output is correct
45 Correct 1 ms 1312 KB Output is correct
46 Correct 1 ms 1232 KB Output is correct
47 Correct 45 ms 1112 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1112 KB Output is correct
50 Correct 1 ms 1368 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 1 ms 1368 KB Output is correct
5 Correct 1 ms 1112 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 45 ms 1368 KB Output is correct
9 Correct 1 ms 1368 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1404 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1368 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1192 KB Output is correct
16 Correct 1 ms 1364 KB Output is correct
17 Correct 45 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1232 KB Output is correct
20 Correct 1 ms 1112 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 1 ms 1200 KB Output is correct
23 Correct 1 ms 1112 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1368 KB Output is correct
26 Correct 1 ms 1112 KB Output is correct
27 Correct 1 ms 1112 KB Output is correct
28 Correct 1 ms 1112 KB Output is correct
29 Correct 1 ms 1368 KB Output is correct
30 Correct 1 ms 1112 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 51 ms 1368 KB Output is correct
34 Correct 1 ms 1368 KB Output is correct
35 Correct 1 ms 1368 KB Output is correct
36 Correct 1 ms 1112 KB Output is correct
37 Correct 1 ms 1192 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 1 ms 1232 KB Output is correct
40 Correct 1 ms 1112 KB Output is correct
41 Correct 1 ms 1232 KB Output is correct
42 Correct 1 ms 1112 KB Output is correct
43 Correct 1 ms 1368 KB Output is correct
44 Correct 1 ms 1368 KB Output is correct
45 Correct 1 ms 1112 KB Output is correct
46 Correct 1 ms 1396 KB Output is correct
47 Correct 5 ms 1112 KB Output is correct
48 Correct 1 ms 1112 KB Output is correct
49 Correct 1 ms 1368 KB Output is correct
50 Correct 45 ms 1112 KB Output is correct
51 Correct 1 ms 1112 KB Output is correct
52 Correct 1 ms 1240 KB Output is correct
53 Correct 1 ms 1232 KB Output is correct
54 Correct 1 ms 1196 KB Output is correct
55 Correct 1 ms 1112 KB Output is correct
56 Correct 1 ms 1368 KB Output is correct
57 Correct 1 ms 1112 KB Output is correct
58 Correct 45 ms 1408 KB Output is correct
59 Correct 1 ms 1368 KB Output is correct
60 Correct 1 ms 1368 KB Output is correct
61 Correct 1 ms 1368 KB Output is correct
62 Correct 1 ms 1368 KB Output is correct
63 Correct 1 ms 1112 KB Output is correct
64 Correct 1 ms 1408 KB Output is correct
65 Correct 1 ms 1112 KB Output is correct
66 Correct 1 ms 1368 KB Output is correct
67 Correct 1 ms 1112 KB Output is correct
68 Correct 1 ms 1112 KB Output is correct
69 Correct 1 ms 1368 KB Output is correct
70 Correct 1 ms 1312 KB Output is correct
71 Correct 1 ms 1232 KB Output is correct
72 Correct 45 ms 1112 KB Output is correct
73 Correct 1 ms 1112 KB Output is correct
74 Correct 1 ms 1112 KB Output is correct
75 Correct 1 ms 1368 KB Output is correct
76 Correct 1 ms 344 KB Output is correct
77 Correct 0 ms 344 KB Output is correct
78 Correct 1 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 0 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 0 ms 344 KB Output is correct
84 Correct 0 ms 824 KB Output is correct
85 Correct 0 ms 600 KB Output is correct
86 Correct 2 ms 644 KB Output is correct
87 Correct 45 ms 600 KB Output is correct
88 Correct 0 ms 600 KB Output is correct
89 Correct 1 ms 600 KB Output is correct
90 Correct 0 ms 600 KB Output is correct
91 Correct 49 ms 856 KB Output is correct
92 Correct 1 ms 1112 KB Output is correct
93 Correct 1 ms 1232 KB Output is correct
94 Correct 1 ms 1204 KB Output is correct
95 Correct 1 ms 1112 KB Output is correct
96 Correct 1 ms 1112 KB Output is correct
97 Correct 1 ms 1368 KB Output is correct
98 Correct 1 ms 1112 KB Output is correct
99 Correct 45 ms 1112 KB Output is correct
100 Correct 1 ms 1112 KB Output is correct
101 Correct 1 ms 1232 KB Output is correct
102 Correct 1 ms 1112 KB Output is correct
103 Correct 1 ms 1112 KB Output is correct
104 Correct 1 ms 1112 KB Output is correct
105 Correct 1 ms 1112 KB Output is correct
106 Correct 1 ms 1112 KB Output is correct
107 Correct 1 ms 1212 KB Output is correct
108 Correct 1 ms 1112 KB Output is correct
109 Correct 1 ms 1112 KB Output is correct
110 Correct 1 ms 1112 KB Output is correct
111 Correct 1 ms 1112 KB Output is correct
112 Correct 1 ms 1368 KB Output is correct
113 Correct 5 ms 1412 KB Output is correct
114 Correct 1 ms 1112 KB Output is correct
115 Correct 1 ms 1232 KB Output is correct
116 Correct 45 ms 1112 KB Output is correct
117 Correct 1 ms 1112 KB Output is correct
118 Correct 1 ms 1196 KB Output is correct
119 Correct 1 ms 1112 KB Output is correct
120 Correct 1 ms 1200 KB Output is correct
121 Correct 1 ms 1236 KB Output is correct
122 Correct 45 ms 1112 KB Output is correct
123 Correct 1 ms 1112 KB Output is correct
124 Correct 1 ms 1368 KB Output is correct
125 Correct 1 ms 1240 KB Output is correct
126 Correct 1 ms 1112 KB Output is correct
127 Correct 1 ms 1192 KB Output is correct
128 Correct 1 ms 1112 KB Output is correct
129 Correct 1 ms 1368 KB Output is correct
130 Correct 3 ms 1368 KB Output is correct
131 Correct 45 ms 1368 KB Output is correct
132 Correct 1 ms 1112 KB Output is correct
133 Correct 1 ms 1112 KB Output is correct
134 Correct 1 ms 1232 KB Output is correct
135 Correct 53 ms 1268 KB Output is correct