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Submission #906276

# Submission time Handle Problem Language Result Execution time Memory
906276 2024-01-13T22:35:52 Z Ahmed57 A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 2 ms 1404 KB 
#include "books.h"
#include <bits/stdc++.h>
 
using namespace std;
 
void solve(int n,int k,long long a,int s){
    int l = 1 , r = n , ans = n+1;
    while(l<=r){
        int mid = (l+r)/2;
        if(skim(mid)>a){
            ans = mid;
            r = mid-1;
        }else l = mid+1;
    }
    long long arr[k+1];
    long long las[n+1];
    long long all = 0;
    for(int i= 1;i<=k;i++){
        arr[i] = skim(i);
        if(i<k){
            all+=arr[i];
        }
    }
    for(int i = min(ans,n);i>=max(1,ans-k);i--){
        las[i] = skim(i);
    }
    if(ans<=n&&all+las[ans]>=a&&all+las[ans]<=2*a&&k-1+(ans>=k)==k){
        vector<int> an;
        for(int i = 1;i<k;i++)an.push_back(i);
        an.push_back(ans);
        answer(an);return ;
    }
    all = 0;
    for(int i = 0;i<=k;i++){
        if(i)all+=arr[k-i+1];
        long long extra = 0 , cnt = 0;
        for(int j = max((i?k+1:1),ans-k);j<min(ans,max((i?k+1:1),ans-k)+(k-i));j++){
            extra+=las[j];
            cnt++;
        }
        if(all+extra>=a&&all+extra<=2*a&&cnt+i==k){
            vector<int> an;
            for(int j = k;j>=k-i+1;j--)an.push_back(j);
            for(int j = max((i?k+1:1),ans-k);j<max((i?k+1:1),ans-k)+(k-i);j++)an.push_back(j);
            answer(an);return ;
        }
    }
    impossible();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 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 1 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 1 ms 440 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 432 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 600 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 1368 KB Output is correct
3 Correct 1 ms 1368 KB Output is correct
4 Correct 1 ms 1204 KB Output is correct
5 Correct 1 ms 1204 KB Output is correct
6 Correct 1 ms 1200 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1112 KB Output is correct
9 Correct 1 ms 1200 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 1368 KB Output is correct
3 Correct 1 ms 1368 KB Output is correct
4 Correct 1 ms 1204 KB Output is correct
5 Correct 1 ms 1204 KB Output is correct
6 Correct 1 ms 1200 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1112 KB Output is correct
9 Correct 1 ms 1200 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1204 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1204 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1208 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 1 ms 1208 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 1 ms 1112 KB Output is correct
23 Correct 1 ms 1368 KB Output is correct
24 Correct 1 ms 1112 KB Output is correct
25 Correct 1 ms 1112 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 1368 KB Output is correct
3 Correct 1 ms 1368 KB Output is correct
4 Correct 1 ms 1204 KB Output is correct
5 Correct 1 ms 1204 KB Output is correct
6 Correct 1 ms 1200 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1112 KB Output is correct
9 Correct 1 ms 1200 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1204 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1204 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1208 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 1 ms 1208 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 1 ms 1112 KB Output is correct
23 Correct 1 ms 1368 KB Output is correct
24 Correct 1 ms 1112 KB Output is correct
25 Correct 1 ms 1112 KB Output is correct
26 Correct 2 ms 1364 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 1112 KB Output is correct
30 Correct 1 ms 1208 KB Output is correct
31 Correct 1 ms 1112 KB Output is correct
32 Correct 1 ms 1204 KB Output is correct
33 Correct 1 ms 1200 KB Output is correct
34 Correct 1 ms 1112 KB Output is correct
35 Correct 1 ms 1204 KB Output is correct
36 Correct 1 ms 1112 KB Output is correct
37 Correct 1 ms 1200 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 1 ms 1112 KB Output is correct
40 Correct 1 ms 1112 KB Output is correct
41 Correct 1 ms 1112 KB Output is correct
42 Correct 1 ms 1404 KB Output is correct
43 Correct 2 ms 1112 KB Output is correct
44 Correct 1 ms 1112 KB Output is correct
45 Correct 1 ms 1368 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 1 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 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 1368 KB Output is correct
3 Correct 1 ms 1368 KB Output is correct
4 Correct 1 ms 1204 KB Output is correct
5 Correct 1 ms 1204 KB Output is correct
6 Correct 1 ms 1200 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1112 KB Output is correct
9 Correct 1 ms 1200 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1204 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1204 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1208 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 1 ms 1208 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 1 ms 1112 KB Output is correct
23 Correct 1 ms 1368 KB Output is correct
24 Correct 1 ms 1112 KB Output is correct
25 Correct 1 ms 1112 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 1112 KB Output is correct
30 Correct 1 ms 1108 KB Output is correct
31 Correct 1 ms 1112 KB Output is correct
32 Correct 1 ms 1112 KB Output is correct
33 Correct 1 ms 1368 KB Output is correct
34 Correct 1 ms 1112 KB Output is correct
35 Correct 1 ms 1112 KB Output is correct
36 Correct 1 ms 1200 KB Output is correct
37 Correct 1 ms 1112 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 1 ms 1112 KB Output is correct
40 Correct 1 ms 1368 KB Output is correct
41 Correct 1 ms 1112 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 1196 KB Output is correct
45 Correct 1 ms 1112 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 1 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 1 ms 1200 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 1368 KB Output is correct
3 Correct 1 ms 1368 KB Output is correct
4 Correct 1 ms 1204 KB Output is correct
5 Correct 1 ms 1204 KB Output is correct
6 Correct 1 ms 1200 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1112 KB Output is correct
9 Correct 1 ms 1200 KB Output is correct
10 Correct 1 ms 1112 KB Output is correct
11 Correct 1 ms 1204 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1204 KB Output is correct
14 Correct 1 ms 1112 KB Output is correct
15 Correct 1 ms 1208 KB Output is correct
16 Correct 1 ms 1112 KB Output is correct
17 Correct 1 ms 1208 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 1 ms 1112 KB Output is correct
23 Correct 1 ms 1368 KB Output is correct
24 Correct 1 ms 1112 KB Output is correct
25 Correct 1 ms 1112 KB Output is correct
26 Correct 2 ms 1364 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 1112 KB Output is correct
30 Correct 1 ms 1208 KB Output is correct
31 Correct 1 ms 1112 KB Output is correct
32 Correct 1 ms 1204 KB Output is correct
33 Correct 1 ms 1200 KB Output is correct
34 Correct 1 ms 1112 KB Output is correct
35 Correct 1 ms 1204 KB Output is correct
36 Correct 1 ms 1112 KB Output is correct
37 Correct 1 ms 1200 KB Output is correct
38 Correct 1 ms 1112 KB Output is correct
39 Correct 1 ms 1112 KB Output is correct
40 Correct 1 ms 1112 KB Output is correct
41 Correct 1 ms 1112 KB Output is correct
42 Correct 1 ms 1404 KB Output is correct
43 Correct 2 ms 1112 KB Output is correct
44 Correct 1 ms 1112 KB Output is correct
45 Correct 1 ms 1368 KB Output is correct
46 Correct 1 ms 1112 KB Output is correct
47 Correct 1 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 1112 KB Output is correct
51 Correct 1 ms 1112 KB Output is correct
52 Correct 1 ms 1112 KB Output is correct
53 Correct 1 ms 1112 KB Output is correct
54 Correct 1 ms 1112 KB Output is correct
55 Correct 1 ms 1108 KB Output is correct
56 Correct 1 ms 1112 KB Output is correct
57 Correct 1 ms 1112 KB Output is correct
58 Correct 1 ms 1368 KB Output is correct
59 Correct 1 ms 1112 KB Output is correct
60 Correct 1 ms 1112 KB Output is correct
61 Correct 1 ms 1200 KB Output is correct
62 Correct 1 ms 1112 KB Output is correct
63 Correct 1 ms 1112 KB Output is correct
64 Correct 1 ms 1112 KB Output is correct
65 Correct 1 ms 1368 KB Output is correct
66 Correct 1 ms 1112 KB Output is correct
67 Correct 1 ms 1112 KB Output is correct
68 Correct 1 ms 1368 KB Output is correct
69 Correct 1 ms 1196 KB Output is correct
70 Correct 1 ms 1112 KB Output is correct
71 Correct 1 ms 1112 KB Output is correct
72 Correct 1 ms 1112 KB Output is correct
73 Correct 1 ms 1112 KB Output is correct
74 Correct 1 ms 1368 KB Output is correct
75 Correct 1 ms 1200 KB Output is correct
76 Correct 1 ms 344 KB Output is correct
77 Correct 1 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 600 KB Output is correct
83 Correct 0 ms 344 KB Output is correct
84 Correct 1 ms 600 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 600 KB Output is correct
87 Correct 1 ms 600 KB Output is correct
88 Correct 1 ms 600 KB Output is correct
89 Correct 1 ms 600 KB Output is correct
90 Correct 1 ms 600 KB Output is correct
91 Correct 0 ms 600 KB Output is correct
92 Correct 1 ms 1112 KB Output is correct
93 Correct 1 ms 1112 KB Output is correct
94 Correct 1 ms 1112 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 1068 KB Output is correct
98 Correct 1 ms 1200 KB Output is correct
99 Correct 1 ms 1112 KB Output is correct
100 Correct 1 ms 1112 KB Output is correct
101 Correct 1 ms 1200 KB Output is correct
102 Correct 1 ms 1368 KB Output is correct
103 Correct 1 ms 1112 KB Output is correct
104 Correct 1 ms 1116 KB Output is correct
105 Correct 1 ms 1112 KB Output is correct
106 Correct 1 ms 1112 KB Output is correct
107 Correct 2 ms 1108 KB Output is correct
108 Correct 1 ms 1364 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 1200 KB Output is correct
113 Correct 1 ms 1112 KB Output is correct
114 Correct 1 ms 1204 KB Output is correct
115 Correct 2 ms 1268 KB Output is correct
116 Correct 1 ms 1200 KB Output is correct
117 Correct 1 ms 1204 KB Output is correct
118 Correct 1 ms 1112 KB Output is correct
119 Correct 1 ms 1368 KB Output is correct
120 Correct 1 ms 1112 KB Output is correct
121 Correct 1 ms 1368 KB Output is correct
122 Correct 1 ms 1112 KB Output is correct
123 Correct 1 ms 1204 KB Output is correct
124 Correct 1 ms 1112 KB Output is correct
125 Correct 1 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 1 ms 1112 KB Output is correct
131 Correct 1 ms 1112 KB Output is correct
132 Correct 1 ms 1112 KB Output is correct
133 Correct 1 ms 1204 KB Output is correct
134 Correct 1 ms 1112 KB Output is correct
135 Correct 1 ms 1368 KB Output is correct