oj.uz

Submission #1094557

# Submission time Handle Problem Language Result Execution time Memory
1094557 2024-09-29T23:04:49 Z stefdasca Self Study (JOI22_ho_t2) C++14
100 / 100
 192 ms 11568 KB 
#include <iostream>
#include <vector>

using namespace std;
 
int solve(long long target, int n, int m, vector<int> &classes, vector<int> &study) {
    vector <long long> required(n);
    for (int i = 0; i < n; i++) {
        required[i] = target;
    }
    
    long long hours = 1LL * n * m; // how many hours of study i have left
    
    // find out classes for which it's better to go to the courses
    for (int i = 0; i < n; i++) {
        if (classes[i] > study[i]) {
            long long needed = required[i] / classes[i];
            if (required[i] % classes[i] > 0) {
                needed++;
            }
            
            if (needed > m) {
                needed = m;
            }
            required[i] = max(0LL, required[i] - needed * classes[i]);
            hours -= needed;
            if (hours < 0) {
                return 0;
            }
        }
    }
    
    // subtract comprehension value based on remaining time
    for (int i = 0; i < n; i++) {
        long long needed = required[i] / study[i];
        if (required[i] % study[i] > 0) {
            needed++;
        }
        hours -= needed;
        if (hours < 0) {
            return 0;
        }
    }
    
    return 1;
}
 
int main() {
    
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    
    int n, m;
    cin >> n >> m;
    
    vector <int> classes(n), study(n);
    for (int i = 0; i < n; i++) {
        cin >> classes[i];
    }
    for (int i = 0; i < n; i++) {
        cin >> study[i];
    }
    
    long long L = 0;
    long long R = 1e18;
    long long ans = 0;
    
    while (L <= R) {
        long long mid = (L + R) / 2;
        if (solve(mid, n, m, classes, study)) {
            ans = mid;
            L = mid + 1;
        }
        else {
            R = mid - 1;
        }
    }
    
    cout << ans << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 165 ms 10856 KB Output is correct
12 Correct 165 ms 10836 KB Output is correct
13 Correct 78 ms 8792 KB Output is correct
14 Correct 103 ms 8944 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 50 ms 6276 KB Output is correct
17 Correct 89 ms 11568 KB Output is correct
18 Correct 88 ms 10832 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 50 ms 6276 KB Output is correct
3 Correct 89 ms 11568 KB Output is correct
4 Correct 88 ms 10832 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 45 ms 5704 KB Output is correct
14 Correct 31 ms 3932 KB Output is correct
15 Correct 23 ms 3092 KB Output is correct
16 Correct 18 ms 2572 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 2 ms 604 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 165 ms 10856 KB Output is correct
12 Correct 165 ms 10836 KB Output is correct
13 Correct 78 ms 8792 KB Output is correct
14 Correct 103 ms 8944 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 45 ms 5704 KB Output is correct
24 Correct 31 ms 3932 KB Output is correct
25 Correct 23 ms 3092 KB Output is correct
26 Correct 18 ms 2572 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 1 ms 600 KB Output is correct
35 Correct 50 ms 6276 KB Output is correct
36 Correct 89 ms 11568 KB Output is correct
37 Correct 88 ms 10832 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 456 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 3 ms 604 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 30 ms 2248 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 78 ms 5636 KB Output is correct
56 Correct 27 ms 3164 KB Output is correct
57 Correct 38 ms 3160 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 45 ms 5704 KB Output is correct
10 Correct 31 ms 3932 KB Output is correct
11 Correct 23 ms 3092 KB Output is correct
12 Correct 18 ms 2572 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 50 ms 6276 KB Output is correct
22 Correct 89 ms 11568 KB Output is correct
23 Correct 88 ms 10832 KB Output is correct
24 Correct 17 ms 2032 KB Output is correct
25 Correct 46 ms 5168 KB Output is correct
26 Correct 11 ms 1380 KB Output is correct
27 Correct 93 ms 10836 KB Output is correct
28 Correct 93 ms 10836 KB Output is correct
29 Correct 95 ms 10936 KB Output is correct
30 Correct 99 ms 10836 KB Output is correct
31 Correct 116 ms 10932 KB Output is correct
32 Correct 70 ms 6224 KB Output is correct
33 Correct 123 ms 11560 KB Output is correct
34 Correct 74 ms 6236 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 165 ms 10856 KB Output is correct
12 Correct 165 ms 10836 KB Output is correct
13 Correct 78 ms 8792 KB Output is correct
14 Correct 103 ms 8944 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 45 ms 5704 KB Output is correct
24 Correct 31 ms 3932 KB Output is correct
25 Correct 23 ms 3092 KB Output is correct
26 Correct 18 ms 2572 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 456 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 3 ms 604 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 30 ms 2248 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 78 ms 5636 KB Output is correct
52 Correct 27 ms 3164 KB Output is correct
53 Correct 38 ms 3160 KB Output is correct
54 Correct 17 ms 2032 KB Output is correct
55 Correct 46 ms 5168 KB Output is correct
56 Correct 11 ms 1380 KB Output is correct
57 Correct 93 ms 10836 KB Output is correct
58 Correct 93 ms 10836 KB Output is correct
59 Correct 95 ms 10936 KB Output is correct
60 Correct 99 ms 10836 KB Output is correct
61 Correct 116 ms 10932 KB Output is correct
62 Correct 70 ms 6224 KB Output is correct
63 Correct 123 ms 11560 KB Output is correct
64 Correct 74 ms 6236 KB Output is correct
65 Correct 1 ms 600 KB Output is correct
66 Correct 50 ms 6276 KB Output is correct
67 Correct 89 ms 11568 KB Output is correct
68 Correct 88 ms 10832 KB Output is correct
69 Correct 18 ms 1372 KB Output is correct
70 Correct 4 ms 604 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 27 ms 1960 KB Output is correct
73 Correct 4 ms 604 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 163 ms 10936 KB Output is correct
76 Correct 165 ms 10924 KB Output is correct
77 Correct 167 ms 10940 KB Output is correct
78 Correct 173 ms 10724 KB Output is correct
79 Correct 182 ms 10852 KB Output is correct
80 Correct 192 ms 10940 KB Output is correct
81 Correct 114 ms 8788 KB Output is correct
82 Correct 131 ms 9000 KB Output is correct