oj.uz

Submission #488367

# Submission time Handle Problem Language Result Execution time Memory
488367 2021-11-18T18:17:20 Z Jarif_Rahman A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 1 ms 1100 KB 
#include "books.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

vector<ll> v;
ll Skim(int in){
    if(v[in] == -1) v[in] = skim(in+1);
    return v[in];
}


void solve(int n, int k, ll A, int S){
    v.resize(n, -1);

    ll s = 0;
    vector<int> ans;

    for(int i = 0; i < k-1; i++) s+=Skim(i);

    int a = k-1, b = n-1;
    while(a < b){
        int md = (a+b)/2;
        if(Skim(md) < A) a = md+1;
        else b = md;
    }

    if(Skim(a) < A) a = n;

    if(s <= 2*A && a != n && s+Skim(a) >= A && s+Skim(a) <= 2*A){
        for(int i = 0; i < k-1; i++) ans.pb(i+1);
        ans.pb(a+1);
        answer(ans);
    }

    if(a == 0) impossible();
    n = a-1;
    if(n < k-1) impossible();

    a = 0, b = k-1;
    s+=Skim(k-1);
    if(s >= A && s <= 2*A){
        for(int i = 0; i < k; i++) ans.pb(i+1);
        answer(ans);
    }

    for(int i = 0; i < min(k, n-k+1); i++){
        s-=Skim(i);
        s+=Skim(n-i);
        if(s >= A && s <= 2*A){
            for(int j = i+1; j < k; j++) ans.pb(j+1);
            for(int j = n-i; j <= n; j++) ans.pb(j+1);
            answer(ans);
        }
    }

    impossible();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 0 ms 200 KB Output is correct
7 Correct 0 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 0 ms 200 KB Output is correct
7 Correct 0 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct
9 Correct 1 ms 456 KB Output is correct
10 Correct 1 ms 456 KB Output is correct
11 Correct 1 ms 456 KB Output is correct
12 Correct 1 ms 456 KB Output is correct
13 Correct 1 ms 456 KB Output is correct
14 Correct 1 ms 456 KB Output is correct
15 Correct 1 ms 456 KB Output is correct
16 Correct 1 ms 456 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 968 KB Output is correct
2 Correct 1 ms 968 KB Output is correct
3 Correct 1 ms 968 KB Output is correct
4 Correct 1 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 1064 KB Output is correct
7 Correct 1 ms 968 KB Output is correct
8 Correct 1 ms 968 KB Output is correct
9 Correct 1 ms 968 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 968 KB Output is correct
2 Correct 1 ms 968 KB Output is correct
3 Correct 1 ms 968 KB Output is correct
4 Correct 1 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 1064 KB Output is correct
7 Correct 1 ms 968 KB Output is correct
8 Correct 1 ms 968 KB Output is correct
9 Correct 1 ms 968 KB Output is correct
10 Correct 1 ms 968 KB Output is correct
11 Correct 1 ms 968 KB Output is correct
12 Correct 1 ms 968 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 1 ms 1096 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 1 ms 968 KB Output is correct
19 Correct 1 ms 968 KB Output is correct
20 Correct 1 ms 968 KB Output is correct
21 Correct 1 ms 968 KB Output is correct
22 Correct 1 ms 984 KB Output is correct
23 Correct 1 ms 968 KB Output is correct
24 Correct 1 ms 968 KB Output is correct
25 Correct 1 ms 968 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 968 KB Output is correct
2 Correct 1 ms 968 KB Output is correct
3 Correct 1 ms 968 KB Output is correct
4 Correct 1 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 1064 KB Output is correct
7 Correct 1 ms 968 KB Output is correct
8 Correct 1 ms 968 KB Output is correct
9 Correct 1 ms 968 KB Output is correct
10 Correct 1 ms 968 KB Output is correct
11 Correct 1 ms 968 KB Output is correct
12 Correct 1 ms 968 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 1 ms 1096 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 1 ms 968 KB Output is correct
19 Correct 1 ms 968 KB Output is correct
20 Correct 1 ms 968 KB Output is correct
21 Correct 1 ms 968 KB Output is correct
22 Correct 1 ms 984 KB Output is correct
23 Correct 1 ms 968 KB Output is correct
24 Correct 1 ms 968 KB Output is correct
25 Correct 1 ms 968 KB Output is correct
26 Correct 1 ms 968 KB Output is correct
27 Correct 1 ms 968 KB Output is correct
28 Correct 1 ms 968 KB Output is correct
29 Correct 1 ms 1028 KB Output is correct
30 Correct 1 ms 968 KB Output is correct
31 Correct 1 ms 968 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 968 KB Output is correct
34 Correct 1 ms 968 KB Output is correct
35 Correct 1 ms 968 KB Output is correct
36 Correct 1 ms 968 KB Output is correct
37 Correct 1 ms 968 KB Output is correct
38 Correct 1 ms 968 KB Output is correct
39 Correct 1 ms 968 KB Output is correct
40 Correct 1 ms 968 KB Output is correct
41 Correct 1 ms 968 KB Output is correct
42 Correct 1 ms 1096 KB Output is correct
43 Correct 1 ms 968 KB Output is correct
44 Correct 1 ms 968 KB Output is correct
45 Correct 1 ms 968 KB Output is correct
46 Correct 1 ms 968 KB Output is correct
47 Correct 1 ms 968 KB Output is correct
48 Correct 1 ms 968 KB Output is correct
49 Correct 1 ms 968 KB Output is correct
50 Correct 1 ms 968 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 968 KB Output is correct
2 Correct 1 ms 968 KB Output is correct
3 Correct 1 ms 968 KB Output is correct
4 Correct 1 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 1064 KB Output is correct
7 Correct 1 ms 968 KB Output is correct
8 Correct 1 ms 968 KB Output is correct
9 Correct 1 ms 968 KB Output is correct
10 Correct 1 ms 968 KB Output is correct
11 Correct 1 ms 968 KB Output is correct
12 Correct 1 ms 968 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 1 ms 1096 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 1 ms 968 KB Output is correct
19 Correct 1 ms 968 KB Output is correct
20 Correct 1 ms 968 KB Output is correct
21 Correct 1 ms 968 KB Output is correct
22 Correct 1 ms 984 KB Output is correct
23 Correct 1 ms 968 KB Output is correct
24 Correct 1 ms 968 KB Output is correct
25 Correct 1 ms 968 KB Output is correct
26 Correct 1 ms 968 KB Output is correct
27 Correct 1 ms 968 KB Output is correct
28 Correct 1 ms 968 KB Output is correct
29 Correct 1 ms 968 KB Output is correct
30 Correct 1 ms 968 KB Output is correct
31 Correct 1 ms 968 KB Output is correct
32 Correct 1 ms 968 KB Output is correct
33 Correct 1 ms 968 KB Output is correct
34 Correct 1 ms 968 KB Output is correct
35 Correct 1 ms 968 KB Output is correct
36 Correct 1 ms 968 KB Output is correct
37 Correct 1 ms 968 KB Output is correct
38 Correct 1 ms 968 KB Output is correct
39 Correct 1 ms 968 KB Output is correct
40 Correct 1 ms 968 KB Output is correct
41 Correct 1 ms 972 KB Output is correct
42 Correct 1 ms 972 KB Output is correct
43 Correct 1 ms 1100 KB Output is correct
44 Correct 1 ms 968 KB Output is correct
45 Correct 1 ms 968 KB Output is correct
46 Correct 1 ms 968 KB Output is correct
47 Correct 1 ms 1096 KB Output is correct
48 Correct 1 ms 968 KB Output is correct
49 Correct 1 ms 968 KB Output is correct
50 Correct 1 ms 1052 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 968 KB Output is correct
2 Correct 1 ms 968 KB Output is correct
3 Correct 1 ms 968 KB Output is correct
4 Correct 1 ms 968 KB Output is correct
5 Correct 1 ms 968 KB Output is correct
6 Correct 1 ms 1064 KB Output is correct
7 Correct 1 ms 968 KB Output is correct
8 Correct 1 ms 968 KB Output is correct
9 Correct 1 ms 968 KB Output is correct
10 Correct 1 ms 968 KB Output is correct
11 Correct 1 ms 968 KB Output is correct
12 Correct 1 ms 968 KB Output is correct
13 Correct 1 ms 968 KB Output is correct
14 Correct 1 ms 1096 KB Output is correct
15 Correct 1 ms 968 KB Output is correct
16 Correct 1 ms 968 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 1 ms 968 KB Output is correct
19 Correct 1 ms 968 KB Output is correct
20 Correct 1 ms 968 KB Output is correct
21 Correct 1 ms 968 KB Output is correct
22 Correct 1 ms 984 KB Output is correct
23 Correct 1 ms 968 KB Output is correct
24 Correct 1 ms 968 KB Output is correct
25 Correct 1 ms 968 KB Output is correct
26 Correct 1 ms 968 KB Output is correct
27 Correct 1 ms 968 KB Output is correct
28 Correct 1 ms 968 KB Output is correct
29 Correct 1 ms 1028 KB Output is correct
30 Correct 1 ms 968 KB Output is correct
31 Correct 1 ms 968 KB Output is correct
32 Correct 1 ms 1096 KB Output is correct
33 Correct 1 ms 968 KB Output is correct
34 Correct 1 ms 968 KB Output is correct
35 Correct 1 ms 968 KB Output is correct
36 Correct 1 ms 968 KB Output is correct
37 Correct 1 ms 968 KB Output is correct
38 Correct 1 ms 968 KB Output is correct
39 Correct 1 ms 968 KB Output is correct
40 Correct 1 ms 968 KB Output is correct
41 Correct 1 ms 968 KB Output is correct
42 Correct 1 ms 1096 KB Output is correct
43 Correct 1 ms 968 KB Output is correct
44 Correct 1 ms 968 KB Output is correct
45 Correct 1 ms 968 KB Output is correct
46 Correct 1 ms 968 KB Output is correct
47 Correct 1 ms 968 KB Output is correct
48 Correct 1 ms 968 KB Output is correct
49 Correct 1 ms 968 KB Output is correct
50 Correct 1 ms 968 KB Output is correct
51 Correct 1 ms 968 KB Output is correct
52 Correct 1 ms 968 KB Output is correct
53 Correct 1 ms 968 KB Output is correct
54 Correct 1 ms 968 KB Output is correct
55 Correct 1 ms 968 KB Output is correct
56 Correct 1 ms 968 KB Output is correct
57 Correct 1 ms 968 KB Output is correct
58 Correct 1 ms 968 KB Output is correct
59 Correct 1 ms 968 KB Output is correct
60 Correct 1 ms 968 KB Output is correct
61 Correct 1 ms 968 KB Output is correct
62 Correct 1 ms 968 KB Output is correct
63 Correct 1 ms 968 KB Output is correct
64 Correct 1 ms 968 KB Output is correct
65 Correct 1 ms 968 KB Output is correct
66 Correct 1 ms 972 KB Output is correct
67 Correct 1 ms 972 KB Output is correct
68 Correct 1 ms 1100 KB Output is correct
69 Correct 1 ms 968 KB Output is correct
70 Correct 1 ms 968 KB Output is correct
71 Correct 1 ms 968 KB Output is correct
72 Correct 1 ms 1096 KB Output is correct
73 Correct 1 ms 968 KB Output is correct
74 Correct 1 ms 968 KB Output is correct
75 Correct 1 ms 1052 KB Output is correct
76 Correct 0 ms 200 KB Output is correct
77 Correct 0 ms 200 KB Output is correct
78 Correct 0 ms 200 KB Output is correct
79 Correct 1 ms 200 KB Output is correct
80 Correct 0 ms 200 KB Output is correct
81 Correct 0 ms 200 KB Output is correct
82 Correct 0 ms 200 KB Output is correct
83 Correct 0 ms 200 KB Output is correct
84 Correct 1 ms 456 KB Output is correct
85 Correct 1 ms 456 KB Output is correct
86 Correct 1 ms 456 KB Output is correct
87 Correct 1 ms 456 KB Output is correct
88 Correct 1 ms 456 KB Output is correct
89 Correct 1 ms 456 KB Output is correct
90 Correct 1 ms 456 KB Output is correct
91 Correct 1 ms 456 KB Output is correct
92 Correct 1 ms 968 KB Output is correct
93 Correct 1 ms 968 KB Output is correct
94 Correct 1 ms 968 KB Output is correct
95 Correct 1 ms 968 KB Output is correct
96 Correct 1 ms 1096 KB Output is correct
97 Correct 1 ms 968 KB Output is correct
98 Correct 1 ms 968 KB Output is correct
99 Correct 1 ms 968 KB Output is correct
100 Correct 1 ms 968 KB Output is correct
101 Correct 1 ms 968 KB Output is correct
102 Correct 1 ms 968 KB Output is correct
103 Correct 1 ms 968 KB Output is correct
104 Correct 1 ms 1096 KB Output is correct
105 Correct 1 ms 1088 KB Output is correct
106 Correct 1 ms 1048 KB Output is correct
107 Correct 1 ms 968 KB Output is correct
108 Correct 1 ms 968 KB Output is correct
109 Correct 1 ms 968 KB Output is correct
110 Correct 1 ms 968 KB Output is correct
111 Correct 1 ms 968 KB Output is correct
112 Correct 1 ms 968 KB Output is correct
113 Correct 1 ms 968 KB Output is correct
114 Correct 1 ms 968 KB Output is correct
115 Correct 1 ms 1052 KB Output is correct
116 Correct 1 ms 968 KB Output is correct
117 Correct 1 ms 968 KB Output is correct
118 Correct 1 ms 968 KB Output is correct
119 Correct 1 ms 1036 KB Output is correct
120 Correct 1 ms 968 KB Output is correct
121 Correct 1 ms 968 KB Output is correct
122 Correct 1 ms 968 KB Output is correct
123 Correct 1 ms 968 KB Output is correct
124 Correct 1 ms 968 KB Output is correct
125 Correct 1 ms 968 KB Output is correct
126 Correct 1 ms 968 KB Output is correct
127 Correct 1 ms 968 KB Output is correct
128 Correct 1 ms 968 KB Output is correct
129 Correct 1 ms 968 KB Output is correct
130 Correct 1 ms 1096 KB Output is correct
131 Correct 1 ms 968 KB Output is correct
132 Correct 1 ms 968 KB Output is correct
133 Correct 1 ms 968 KB Output is correct
134 Correct 1 ms 968 KB Output is correct
135 Correct 1 ms 968 KB Output is correct