oj.uz

Submission #987249

# Submission time Handle Problem Language Result Execution time Memory
987249 2024-05-22T12:37:30 Z VMaksimoski008 A Difficult(y) Choice (BOI21_books) C++17
45 / 100
 2 ms 852 KB 
#include <bits/stdc++.h>
#include "books.h"

using namespace std;
using ll = long long;
using ull = unsigned long long;

map<int, ull> memo;

ull ask(int p) {
    if(memo.count(p)) return memo[p];
    return memo[p] = skim(p);
}

void solve(int N, int K, ll A, int S) {
    int l=1, r=N-K+1;
    while(l <= r) {
        int mid = (l + r) / 2;
        ull sum = 0;
        for(int i=mid; i<=mid+K-1; i++) sum += ask(i);

        if(sum >= A && sum <= 2 * A) {
            vector<int> ans;
            for(int i=mid; i<=mid+K-1; i++) ans.push_back(i);
            answer(ans);
        }

        if(sum < A) l = mid + 1;
        if(sum > 2 * A) r = mid - 1;
    }

    l=K, r=N-K+1;
    int p = -1;

    while(l <= r) {
        int mid = (l + r) / 2;
        if(ask(mid) >= A) p = mid, r = mid - 1;
        else l = mid + 1;
    }

    if(p != -1) {
        ull sum = ask(p);
        for(int i=1; i<=K-1; i++) sum += ask(i);
        if(sum >= A && sum <= 2 * A) {
            vector<int> ans;
            for(int i=1; i<=K-1; i++) ans.push_back(i);
            ans.push_back(p);
            answer(ans);
        }
    }
    
    impossible();
    return ;
}

Compilation message

books.cpp: In function 'void solve(int, int, ll, int)':
books.cpp:22:16: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   22 |         if(sum >= A && sum <= 2 * A) {
      |            ~~~~^~~~
books.cpp:22:28: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   22 |         if(sum >= A && sum <= 2 * A) {
      |                        ~~~~^~~~~~~~
books.cpp:28:16: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   28 |         if(sum < A) l = mid + 1;
      |            ~~~~^~~
books.cpp:29:16: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   29 |         if(sum > 2 * A) r = mid - 1;
      |            ~~~~^~~~~~~
books.cpp:37:21: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   37 |         if(ask(mid) >= A) p = mid, r = mid - 1;
      |            ~~~~~~~~~^~~~
books.cpp:44:16: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   44 |         if(sum >= A && sum <= 2 * A) {
      |            ~~~~^~~~
books.cpp:44:28: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   44 |         if(sum >= A && sum <= 2 * A) {
      |                        ~~~~^~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 1 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 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 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 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 1 ms 432 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 432 KB Output is correct
9 Correct 1 ms 600 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 432 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 432 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 436 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 436 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 436 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 2 ms 600 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 604 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 432 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 432 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 436 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 436 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 436 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 2 ms 600 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 432 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 432 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 2 ms 600 KB Output is correct
38 Correct 2 ms 440 KB Output is correct
39 Correct 1 ms 600 KB Output is correct
40 Correct 2 ms 436 KB Output is correct
41 Correct 2 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 440 KB Output is correct
45 Correct 1 ms 372 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 432 KB Output is correct
48 Correct 1 ms 444 KB Output is correct
49 Incorrect 2 ms 348 KB Incorrect
50 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 432 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 432 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 436 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 436 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 436 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 2 ms 600 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 2 ms 600 KB Output is correct
30 Correct 2 ms 344 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 2 ms 344 KB Output is correct
35 Correct 1 ms 436 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 1 ms 432 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 600 KB Output is correct
40 Correct 1 ms 440 KB Output is correct
41 Correct 2 ms 852 KB Output is correct
42 Correct 1 ms 432 KB Output is correct
43 Runtime error 1 ms 436 KB Execution killed with signal 13
44 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 432 KB Output is correct
5 Correct 1 ms 440 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 432 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 436 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 432 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 436 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 436 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 2 ms 600 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 432 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 1 ms 432 KB Output is correct
36 Correct 1 ms 344 KB Output is correct
37 Correct 2 ms 600 KB Output is correct
38 Correct 2 ms 440 KB Output is correct
39 Correct 1 ms 600 KB Output is correct
40 Correct 2 ms 436 KB Output is correct
41 Correct 2 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 440 KB Output is correct
45 Correct 1 ms 372 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 432 KB Output is correct
48 Correct 1 ms 444 KB Output is correct
49 Incorrect 2 ms 348 KB Incorrect
50 Halted 0 ms 0 KB -