oj.uz

Submission #502481

# Submission time Handle Problem Language Result Execution time Memory
502481 2022-01-06T05:47:13 Z Gurban A Difficult(y) Choice (BOI21_books) C++17
100 / 100
 1 ms 404 KB 
#include <bits/stdc++.h>

#include "books.h"

using namespace std;

using ll = long long;
//
// --- 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.
//

const int maxn=1e5+5;
ll arr[maxn];
int now[20];

ll f(int idx){
    if(!arr[idx]) arr[idx] = skim(idx);
    return arr[idx];
}

void solve(int N, int K, long long A, int S) {
    ll sum = 0;
    for(int i = 1;i <= K;i++) sum += f(i),now[i] = i;
    if(sum > 2 * A){
        impossible();
        return;
    }
    if(sum >= A){
        vector<int>ans;
        for(int i = 1;i <= K;i++) ans.push_back(i);
        answer(ans);
        return;
    }

    int l = K + 1,r = N,md,jog=-1;
    while(l <= r){
        md = (l + r) / 2;
        if(sum - f(K) + f(md) <= 2*A) jog=md,l=md+1;
        else r = md - 1;
    }
    if(jog == -1){
        impossible();
        return;
    }
    now[K] = jog;
    sum -= f(K);
    sum += f(jog);
    if(sum >= A){
        vector<int>ans;
        for(int i = 1;i < K;i++) ans.push_back(i);
        ans.push_back(jog);
        answer(ans);
        return;
    }
    int nw = jog-1;
    for(int i = K-1;i >= 1;i--){
        if(sum - f(i) + f(nw) <= 2*A){
            now[i] = nw;
            sum -= f(i);
            sum += f(nw);
            nw--;
        }
        else {
            l = i + 1,r = nw - 1,jog=-1;
            while(l <= r){
                md = (l + r) / 2;
                if(sum - f(i) + f(md) <= 2*A) jog=md,l=md+1;
                else r=md-1;
            }
            now[i] = jog;
            sum -= f(i);
            sum += f(jog);
        }
        if(sum >= A){
            vector<int>ans;
            for(int i = 1;i <= K;i++) ans.push_back(now[i]);
            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 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 0 ms 200 KB Output is correct
7 Correct 0 ms 200 KB Output is correct
8 Correct 1 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 1 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 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 0 ms 304 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 288 KB Output is correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 300 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 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 0 ms 200 KB Output is correct
8 Correct 1 ms 300 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 200 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 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 0 ms 200 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 0 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 200 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 296 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 0 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 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 200 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 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 0 ms 200 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 0 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 200 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 296 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 0 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 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 296 KB Output is correct
29 Correct 0 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 296 KB Output is correct
34 Correct 0 ms 200 KB Output is correct
35 Correct 1 ms 292 KB Output is correct
36 Correct 0 ms 296 KB Output is correct
37 Correct 0 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 1 ms 288 KB Output is correct
42 Correct 1 ms 292 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 292 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 1 ms 304 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 1 ms 200 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 200 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 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 0 ms 200 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 0 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 200 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 296 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 0 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 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 328 KB Output is correct
28 Correct 1 ms 296 KB Output is correct
29 Correct 0 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 328 KB Output is correct
34 Correct 0 ms 200 KB Output is correct
35 Correct 0 ms 292 KB Output is correct
36 Correct 1 ms 320 KB Output is correct
37 Correct 0 ms 200 KB Output is correct
38 Correct 0 ms 200 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 0 ms 300 KB Output is correct
41 Correct 1 ms 304 KB Output is correct
42 Correct 1 ms 284 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 0 ms 200 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 1 ms 296 KB Output is correct
48 Correct 1 ms 296 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 296 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 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 0 ms 200 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 0 ms 200 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 292 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 0 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 200 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 296 KB Output is correct
21 Correct 1 ms 200 KB Output is correct
22 Correct 0 ms 200 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 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 296 KB Output is correct
29 Correct 0 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 296 KB Output is correct
34 Correct 0 ms 200 KB Output is correct
35 Correct 1 ms 292 KB Output is correct
36 Correct 0 ms 296 KB Output is correct
37 Correct 0 ms 200 KB Output is correct
38 Correct 1 ms 200 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 1 ms 288 KB Output is correct
42 Correct 1 ms 292 KB Output is correct
43 Correct 1 ms 200 KB Output is correct
44 Correct 1 ms 292 KB Output is correct
45 Correct 1 ms 200 KB Output is correct
46 Correct 1 ms 292 KB Output is correct
47 Correct 1 ms 304 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 1 ms 200 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 328 KB Output is correct
53 Correct 1 ms 296 KB Output is correct
54 Correct 0 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 328 KB Output is correct
59 Correct 0 ms 200 KB Output is correct
60 Correct 0 ms 292 KB Output is correct
61 Correct 1 ms 320 KB Output is correct
62 Correct 0 ms 200 KB Output is correct
63 Correct 0 ms 200 KB Output is correct
64 Correct 1 ms 328 KB Output is correct
65 Correct 0 ms 300 KB Output is correct
66 Correct 1 ms 304 KB Output is correct
67 Correct 1 ms 284 KB Output is correct
68 Correct 1 ms 200 KB Output is correct
69 Correct 0 ms 200 KB Output is correct
70 Correct 1 ms 200 KB Output is correct
71 Correct 1 ms 292 KB Output is correct
72 Correct 1 ms 296 KB Output is correct
73 Correct 1 ms 296 KB Output is correct
74 Correct 1 ms 328 KB Output is correct
75 Correct 1 ms 296 KB Output is correct
76 Correct 0 ms 200 KB Output is correct
77 Correct 1 ms 200 KB Output is correct
78 Correct 1 ms 276 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 0 ms 200 KB Output is correct
84 Correct 1 ms 296 KB Output is correct
85 Correct 1 ms 292 KB Output is correct
86 Correct 1 ms 200 KB Output is correct
87 Correct 1 ms 328 KB Output is correct
88 Correct 0 ms 200 KB Output is correct
89 Correct 1 ms 200 KB Output is correct
90 Correct 1 ms 300 KB Output is correct
91 Correct 1 ms 200 KB Output is correct
92 Correct 1 ms 296 KB Output is correct
93 Correct 1 ms 280 KB Output is correct
94 Correct 1 ms 280 KB Output is correct
95 Correct 1 ms 200 KB Output is correct
96 Correct 1 ms 272 KB Output is correct
97 Correct 0 ms 200 KB Output is correct
98 Correct 1 ms 200 KB Output is correct
99 Correct 1 ms 292 KB Output is correct
100 Correct 1 ms 300 KB Output is correct
101 Correct 1 ms 284 KB Output is correct
102 Correct 1 ms 280 KB Output is correct
103 Correct 1 ms 296 KB Output is correct
104 Correct 1 ms 200 KB Output is correct
105 Correct 1 ms 200 KB Output is correct
106 Correct 1 ms 292 KB Output is correct
107 Correct 1 ms 288 KB Output is correct
108 Correct 1 ms 284 KB Output is correct
109 Correct 1 ms 200 KB Output is correct
110 Correct 1 ms 296 KB Output is correct
111 Correct 0 ms 200 KB Output is correct
112 Correct 1 ms 292 KB Output is correct
113 Correct 1 ms 288 KB Output is correct
114 Correct 1 ms 284 KB Output is correct
115 Correct 1 ms 296 KB Output is correct
116 Correct 1 ms 300 KB Output is correct
117 Correct 1 ms 288 KB Output is correct
118 Correct 0 ms 200 KB Output is correct
119 Correct 0 ms 200 KB Output is correct
120 Correct 0 ms 200 KB Output is correct
121 Correct 1 ms 276 KB Output is correct
122 Correct 1 ms 292 KB Output is correct
123 Correct 1 ms 300 KB Output is correct
124 Correct 1 ms 300 KB Output is correct
125 Correct 1 ms 404 KB Output is correct
126 Correct 1 ms 288 KB Output is correct
127 Correct 1 ms 276 KB Output is correct
128 Correct 1 ms 200 KB Output is correct
129 Correct 0 ms 296 KB Output is correct
130 Correct 1 ms 276 KB Output is correct
131 Correct 1 ms 288 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 300 KB Output is correct
135 Correct 1 ms 328 KB Output is correct