oj.uz

Submission #528897

# Submission time Handle Problem Language Result Execution time Memory
528897 2022-02-21T17:31:56 Z OttoTheDino A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 3 ms 328 KB 
#include <bits/stdc++.h>

#include "books.h"

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.
//

#define rep(i,s,e)          for (ll i = s; i <= e; ++i)
#define all(a)              a.begin(), a.end()
typedef long long ll;

const ll mx = 2e5;
ll x[mx];

ll get (int i) {
    if (!x[i]) x[i] = skim(i);
    return x[i];
}

void solve(int n, int k, long long a, int S) {
    vector<int> ans(k);
    iota(all(ans),1);

    ll s = 0;
    rep (i,1,k) {
        x[i] = get(i);
        s += x[i];
    }

    if (s>2*a) impossible();

    else if (s>=a) {
        answer(ans);
        return;
    }

    else {
        ll lo = k+1, hi = n+1;
        while (lo<hi) {
            ll mid  = (lo+hi)/2;
            x[mid] = get(mid);
            if (x[mid]>=a) hi = mid;
            else lo = mid+1;
        }
        if (lo!=n+1) {
            if (s+x[lo]-x[k]<=2*a) {
                ans[k-1] = lo;
                answer(ans);
                return;
            }
        }
        n = --lo;
        rep (i,1,k) {
            x[n-i+1] = get(n-i+1);
            s += x[n-i+1] - x[k-i+1];
            ans[k-i] = n-i+1;
            if (s>=a) {
                answer(ans);
                return;
            }
        }
    }

    impossible();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 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 3 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 0 ms 200 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 0 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Correct 0 ms 304 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 280 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 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 1 ms 296 KB Output is correct
9 Correct 0 ms 200 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 280 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 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 1 ms 296 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 0 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 280 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 304 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 280 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 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 1 ms 296 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 0 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 280 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 292 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 0 ms 200 KB Output is correct
31 Correct 1 ms 296 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 284 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 272 KB Output is correct
39 Correct 1 ms 288 KB Output is correct
40 Correct 1 ms 276 KB Output is correct
41 Correct 1 ms 292 KB Output is correct
42 Correct 1 ms 288 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 1 ms 284 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 200 KB Output is correct
47 Correct 1 ms 288 KB Output is correct
48 Correct 1 ms 284 KB Output is correct
49 Correct 1 ms 288 KB Output is correct
50 Correct 1 ms 292 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 280 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 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 1 ms 296 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 0 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 280 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 296 KB Output is correct
27 Correct 1 ms 292 KB Output is correct
28 Correct 1 ms 272 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 0 ms 200 KB Output is correct
31 Correct 0 ms 200 KB Output is correct
32 Correct 0 ms 200 KB Output is correct
33 Correct 1 ms 284 KB Output is correct
34 Correct 1 ms 200 KB Output is correct
35 Correct 1 ms 276 KB Output is correct
36 Correct 1 ms 292 KB Output is correct
37 Correct 1 ms 292 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 272 KB Output is correct
40 Correct 1 ms 292 KB Output is correct
41 Correct 1 ms 296 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 200 KB Output is correct
45 Correct 1 ms 272 KB Output is correct
46 Correct 1 ms 284 KB Output is correct
47 Correct 1 ms 288 KB Output is correct
48 Correct 1 ms 200 KB Output is correct
49 Correct 1 ms 292 KB Output is correct
50 Correct 1 ms 200 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 280 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 1 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 1 ms 296 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 292 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 0 ms 200 KB Output is correct
16 Correct 1 ms 200 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 200 KB Output is correct
19 Correct 1 ms 296 KB Output is correct
20 Correct 1 ms 280 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 292 KB Output is correct
27 Correct 1 ms 296 KB Output is correct
28 Correct 1 ms 200 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 0 ms 200 KB Output is correct
31 Correct 1 ms 296 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 1 ms 284 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 288 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 200 KB Output is correct
38 Correct 1 ms 272 KB Output is correct
39 Correct 1 ms 288 KB Output is correct
40 Correct 1 ms 276 KB Output is correct
41 Correct 1 ms 292 KB Output is correct
42 Correct 1 ms 288 KB Output is correct
43 Correct 1 ms 300 KB Output is correct
44 Correct 1 ms 284 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 200 KB Output is correct
47 Correct 1 ms 288 KB Output is correct
48 Correct 1 ms 284 KB Output is correct
49 Correct 1 ms 288 KB Output is correct
50 Correct 1 ms 292 KB Output is correct
51 Correct 1 ms 296 KB Output is correct
52 Correct 1 ms 292 KB Output is correct
53 Correct 1 ms 272 KB Output is correct
54 Correct 1 ms 200 KB Output is correct
55 Correct 0 ms 200 KB Output is correct
56 Correct 0 ms 200 KB Output is correct
57 Correct 0 ms 200 KB Output is correct
58 Correct 1 ms 284 KB Output is correct
59 Correct 1 ms 200 KB Output is correct
60 Correct 1 ms 276 KB Output is correct
61 Correct 1 ms 292 KB Output is correct
62 Correct 1 ms 292 KB Output is correct
63 Correct 1 ms 200 KB Output is correct
64 Correct 1 ms 272 KB Output is correct
65 Correct 1 ms 292 KB Output is correct
66 Correct 1 ms 296 KB Output is correct
67 Correct 1 ms 284 KB Output is correct
68 Correct 1 ms 200 KB Output is correct
69 Correct 1 ms 200 KB Output is correct
70 Correct 1 ms 272 KB Output is correct
71 Correct 1 ms 284 KB Output is correct
72 Correct 1 ms 288 KB Output is correct
73 Correct 1 ms 200 KB Output is correct
74 Correct 1 ms 292 KB Output is correct
75 Correct 1 ms 200 KB Output is correct
76 Correct 1 ms 200 KB Output is correct
77 Correct 1 ms 200 KB Output is correct
78 Correct 1 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 1 ms 200 KB Output is correct
82 Correct 1 ms 200 KB Output is correct
83 Correct 1 ms 200 KB Output is correct
84 Correct 1 ms 304 KB Output is correct
85 Correct 1 ms 200 KB Output is correct
86 Correct 1 ms 308 KB Output is correct
87 Correct 1 ms 296 KB Output is correct
88 Correct 1 ms 300 KB Output is correct
89 Correct 1 ms 296 KB Output is correct
90 Correct 1 ms 200 KB Output is correct
91 Correct 1 ms 328 KB Output is correct
92 Correct 1 ms 296 KB Output is correct
93 Correct 1 ms 300 KB Output is correct
94 Correct 1 ms 284 KB Output is correct
95 Correct 1 ms 276 KB Output is correct
96 Correct 1 ms 300 KB Output is correct
97 Correct 1 ms 200 KB Output is correct
98 Correct 1 ms 200 KB Output is correct
99 Correct 1 ms 296 KB Output is correct
100 Correct 1 ms 200 KB Output is correct
101 Correct 1 ms 292 KB Output is correct
102 Correct 1 ms 200 KB Output is correct
103 Correct 1 ms 200 KB Output is correct
104 Correct 1 ms 292 KB Output is correct
105 Correct 1 ms 276 KB Output is correct
106 Correct 1 ms 300 KB Output is correct
107 Correct 1 ms 200 KB Output is correct
108 Correct 1 ms 300 KB Output is correct
109 Correct 1 ms 296 KB Output is correct
110 Correct 1 ms 284 KB Output is correct
111 Correct 1 ms 296 KB Output is correct
112 Correct 1 ms 296 KB Output is correct
113 Correct 1 ms 280 KB Output is correct
114 Correct 1 ms 296 KB Output is correct
115 Correct 1 ms 284 KB Output is correct
116 Correct 1 ms 296 KB Output is correct
117 Correct 1 ms 280 KB Output is correct
118 Correct 1 ms 296 KB Output is correct
119 Correct 1 ms 200 KB Output is correct
120 Correct 1 ms 300 KB Output is correct
121 Correct 1 ms 280 KB Output is correct
122 Correct 1 ms 276 KB Output is correct
123 Correct 1 ms 296 KB Output is correct
124 Correct 1 ms 200 KB Output is correct
125 Correct 1 ms 296 KB Output is correct
126 Correct 1 ms 284 KB Output is correct
127 Correct 1 ms 200 KB Output is correct
128 Correct 1 ms 288 KB Output is correct
129 Correct 1 ms 284 KB Output is correct
130 Correct 1 ms 288 KB Output is correct
131 Correct 1 ms 276 KB Output is correct
132 Correct 1 ms 200 KB Output is correct
133 Correct 1 ms 296 KB Output is correct
134 Correct 1 ms 296 KB Output is correct
135 Correct 1 ms 296 KB Output is correct