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Submission #985964

# Submission time Handle Problem Language Result Execution time Memory
985964 2024-05-19T12:49:17 Z AlphaMale06 A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 42 ms 1620 KB 
#include <bits/stdc++.h>
#include "books.h"
using namespace std;

using ll = long long;

//void impossible();
//long long skim(int pos);
//void answer(vector<int> v);

void solve(int n, int k, ll A, int s) {
    ll a[n+1];
    ll sum=0;
    vector<int> opened;
    for(int i=1; i<=k; i++){
        a[i]=skim(i);
        sum+=a[i];
        opened.push_back(i);
    }
    if(sum>=A && sum<=2*A){
        vector<int> ans;
        for(int i=1; i<=k; i++)ans.push_back(i);
        answer(ans);
        return;
    }
    else if(k==n || sum>2*A){
        impossible();
        return;
    }
    sum-=a[k];
    int l=k+1, r=n;
    while(l<=r){
        int s = l+r>>1;
        a[s]=skim(s);
        if(sum+a[s]<=2*A)l=s+1;
        else r=s-1;
    }
    for(int i=r; i>=max(k+1, r-k+1); i--){
        a[i]=skim(i);
        opened.push_back(i);
    }
    sort(opened.begin(), opened.end());
    n=opened.size();
    int mask = 1<<n;
    for(int i=1; i< mask; i++){
        if(__builtin_popcount(i)!=k)continue;
        vector<int> ans;
        ll nsum=0;
        for(int j=0; j<n; j++){
            if(i & (1<<j)){
                ans.push_back(opened[j]);
                nsum+=a[opened[j]];
            }
        }
        if(nsum>=A && nsum<=2*A){
            answer(ans);
            return;
        }
    }
    impossible();
}

Compilation message

books.cpp: In function 'void solve(int, int, ll, int)':
books.cpp:33:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   33 |         int s = l+r>>1;
      |                 ~^~

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 0 ms 344 KB Output is correct
5 Correct 0 ms 344 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 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 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 34 ms 600 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 18 ms 600 KB Output is correct
15 Correct 17 ms 600 KB Output is correct
16 Correct 34 ms 600 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1192 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 1368 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 34 ms 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1192 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 1368 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 34 ms 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 1 ms 1368 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1368 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 35 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1368 KB Output is correct
21 Correct 1 ms 1364 KB Output is correct
22 Correct 2 ms 1112 KB Output is correct
23 Correct 17 ms 1368 KB Output is correct
24 Correct 18 ms 1112 KB Output is correct
25 Correct 18 ms 1112 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1192 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 1368 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 34 ms 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 1 ms 1368 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1368 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 35 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1368 KB Output is correct
21 Correct 1 ms 1364 KB Output is correct
22 Correct 2 ms 1112 KB Output is correct
23 Correct 17 ms 1368 KB Output is correct
24 Correct 18 ms 1112 KB Output is correct
25 Correct 18 ms 1112 KB Output is correct
26 Correct 1 ms 1112 KB Output is correct
27 Correct 1 ms 1368 KB Output is correct
28 Correct 1 ms 1124 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 1368 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 34 ms 1368 KB Output is correct
34 Correct 1 ms 1112 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 1196 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 18 ms 1112 KB Output is correct
40 Correct 18 ms 1112 KB Output is correct
41 Correct 18 ms 1368 KB Output is correct
42 Correct 1 ms 1112 KB Output is correct
43 Correct 1 ms 1192 KB Output is correct
44 Correct 1 ms 1168 KB Output is correct
45 Correct 1 ms 1112 KB Output is correct
46 Correct 1 ms 1436 KB Output is correct
47 Correct 2 ms 1112 KB Output is correct
48 Correct 17 ms 1368 KB Output is correct
49 Correct 18 ms 1112 KB Output is correct
50 Correct 35 ms 1200 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1192 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 1368 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 34 ms 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 1 ms 1368 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1368 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 35 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1368 KB Output is correct
21 Correct 1 ms 1364 KB Output is correct
22 Correct 2 ms 1112 KB Output is correct
23 Correct 17 ms 1368 KB Output is correct
24 Correct 18 ms 1112 KB Output is correct
25 Correct 18 ms 1112 KB Output is correct
26 Correct 1 ms 1112 KB Output is correct
27 Correct 1 ms 1368 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 1368 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 38 ms 1196 KB Output is correct
34 Correct 1 ms 1112 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 1368 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 18 ms 1112 KB Output is correct
40 Correct 20 ms 1112 KB Output is correct
41 Correct 18 ms 1112 KB Output is correct
42 Correct 1 ms 1196 KB Output is correct
43 Correct 1 ms 1112 KB Output is correct
44 Correct 1 ms 1436 KB Output is correct
45 Correct 1 ms 1112 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 34 ms 1112 KB Output is correct
48 Correct 20 ms 1112 KB Output is correct
49 Correct 18 ms 1368 KB Output is correct
50 Correct 25 ms 1112 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1192 KB Output is correct
4 Correct 1 ms 1112 KB Output is correct
5 Correct 1 ms 1368 KB Output is correct
6 Correct 1 ms 1112 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 34 ms 1368 KB Output is correct
9 Correct 1 ms 1112 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 1 ms 1368 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1368 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 35 ms 1368 KB Output is correct
18 Correct 1 ms 1112 KB Output is correct
19 Correct 1 ms 1112 KB Output is correct
20 Correct 1 ms 1368 KB Output is correct
21 Correct 1 ms 1364 KB Output is correct
22 Correct 2 ms 1112 KB Output is correct
23 Correct 17 ms 1368 KB Output is correct
24 Correct 18 ms 1112 KB Output is correct
25 Correct 18 ms 1112 KB Output is correct
26 Correct 1 ms 1112 KB Output is correct
27 Correct 1 ms 1368 KB Output is correct
28 Correct 1 ms 1124 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 1368 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 34 ms 1368 KB Output is correct
34 Correct 1 ms 1112 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 1196 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 18 ms 1112 KB Output is correct
40 Correct 18 ms 1112 KB Output is correct
41 Correct 18 ms 1368 KB Output is correct
42 Correct 1 ms 1112 KB Output is correct
43 Correct 1 ms 1192 KB Output is correct
44 Correct 1 ms 1168 KB Output is correct
45 Correct 1 ms 1112 KB Output is correct
46 Correct 1 ms 1436 KB Output is correct
47 Correct 2 ms 1112 KB Output is correct
48 Correct 17 ms 1368 KB Output is correct
49 Correct 18 ms 1112 KB Output is correct
50 Correct 35 ms 1200 KB Output is correct
51 Correct 1 ms 1112 KB Output is correct
52 Correct 1 ms 1368 KB Output is correct
53 Correct 1 ms 1112 KB Output is correct
54 Correct 1 ms 1368 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 38 ms 1196 KB Output is correct
59 Correct 1 ms 1112 KB Output is correct
60 Correct 1 ms 1368 KB Output is correct
61 Correct 1 ms 1112 KB Output is correct
62 Correct 1 ms 1368 KB Output is correct
63 Correct 1 ms 1112 KB Output is correct
64 Correct 18 ms 1112 KB Output is correct
65 Correct 20 ms 1112 KB Output is correct
66 Correct 18 ms 1112 KB Output is correct
67 Correct 1 ms 1196 KB Output is correct
68 Correct 1 ms 1112 KB Output is correct
69 Correct 1 ms 1436 KB Output is correct
70 Correct 1 ms 1112 KB Output is correct
71 Correct 1 ms 1112 KB Output is correct
72 Correct 34 ms 1112 KB Output is correct
73 Correct 20 ms 1112 KB Output is correct
74 Correct 18 ms 1368 KB Output is correct
75 Correct 25 ms 1112 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 0 ms 344 KB Output is correct
81 Correct 1 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 1 ms 600 KB Output is correct
85 Correct 1 ms 600 KB Output is correct
86 Correct 1 ms 600 KB Output is correct
87 Correct 42 ms 600 KB Output is correct
88 Correct 1 ms 756 KB Output is correct
89 Correct 17 ms 600 KB Output is correct
90 Correct 17 ms 600 KB Output is correct
91 Correct 34 ms 600 KB Output is correct
92 Correct 1 ms 1112 KB Output is correct
93 Correct 1 ms 1368 KB Output is correct
94 Correct 1 ms 1620 KB Output is correct
95 Correct 1 ms 1368 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 36 ms 1368 KB Output is correct
100 Correct 1 ms 1112 KB Output is correct
101 Correct 1 ms 1268 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 18 ms 1368 KB Output is correct
106 Correct 17 ms 1112 KB Output is correct
107 Correct 18 ms 1408 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 1368 KB Output is correct
111 Correct 1 ms 1112 KB Output is correct
112 Correct 1 ms 1112 KB Output is correct
113 Correct 2 ms 1368 KB Output is correct
114 Correct 18 ms 1112 KB Output is correct
115 Correct 17 ms 1188 KB Output is correct
116 Correct 34 ms 1112 KB Output is correct
117 Correct 1 ms 1112 KB Output is correct
118 Correct 1 ms 1368 KB Output is correct
119 Correct 1 ms 1112 KB Output is correct
120 Correct 1 ms 1368 KB Output is correct
121 Correct 1 ms 1112 KB Output is correct
122 Correct 34 ms 1200 KB Output is correct
123 Correct 18 ms 1112 KB Output is correct
124 Correct 18 ms 1344 KB Output is correct
125 Correct 18 ms 1112 KB Output is correct
126 Correct 1 ms 1112 KB Output is correct
127 Correct 1 ms 1368 KB Output is correct
128 Correct 1 ms 1112 KB Output is correct
129 Correct 1 ms 1368 KB Output is correct
130 Correct 2 ms 1112 KB Output is correct
131 Correct 34 ms 1368 KB Output is correct
132 Correct 1 ms 1112 KB Output is correct
133 Correct 20 ms 1368 KB Output is correct
134 Correct 18 ms 1112 KB Output is correct
135 Correct 35 ms 1112 KB Output is correct