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Submission #1094564

# Submission time Handle Problem Language Result Execution time Memory
1094564 2024-09-29T23:32:56 Z Izzy Self Study (JOI22_ho_t2) C++14
100 / 100
 252 ms 11564 KB 
#include <vector>
#include <iostream>
using namespace std;

long long n, m;
vector<int> course;
vector<int> study;

bool works(long long target) {
    vector<long long> vals(n); // value of each class rn
    long long hours = n * m;
    long long temp;
    long long left = 0;
    for (int i = 0; i < n; i++) {
        if (course[i] > study[i]) {
            temp = target / course[i];
            if (target % course[i] != 0) {
                temp++;
            }
            temp = min(temp, m);
            hours -= temp;
            vals[i] += course[i] * temp;
        }
        if (vals[i] < target) {
            left = target - vals[i];
            temp = left / study[i];
            if (left % study[i] != 0) {
                temp++;
            }
            hours -= temp;
            vals[i] += temp * study[i];
        }
        if (hours < 0) {
            return false;
        }
        // cout << hours << ' ';
    }
    return true;
}

int main() {
    cin >> n >> m;
    course.resize(n);
    study.resize(n);

    for (int i = 0; i < n; i++) {
        cin >> course[i];
    }
    for (int i = 0; i < n; i++) {
        cin >> study[i];
    }
    // binary search for max min comprehension lvl
    long long low = 0;
    long long high = 1e18;
    long long mid;
    long long working = 0;
    while (low <= high) {
        mid = (low + high) / 2;
        if (works(mid)) {
            working = mid;
            low = mid + 1;
        }
        else {
            high = mid - 1;
        }
    }
    cout << working;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 3 ms 348 KB Output is correct
11 Correct 198 ms 10820 KB Output is correct
12 Correct 194 ms 10832 KB Output is correct
13 Correct 125 ms 8784 KB Output is correct
14 Correct 128 ms 9044 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 53 ms 6228 KB Output is correct
17 Correct 178 ms 11564 KB Output is correct
18 Correct 169 ms 10700 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 53 ms 6228 KB Output is correct
3 Correct 178 ms 11564 KB Output is correct
4 Correct 169 ms 10700 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 0 ms 348 KB Output is correct
9 Correct 0 ms 348 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 88 ms 5524 KB Output is correct
14 Correct 60 ms 3908 KB Output is correct
15 Correct 47 ms 2904 KB Output is correct
16 Correct 37 ms 2340 KB Output is correct
17 Correct 1 ms 600 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 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 3 ms 604 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 3 ms 348 KB Output is correct
11 Correct 198 ms 10820 KB Output is correct
12 Correct 194 ms 10832 KB Output is correct
13 Correct 125 ms 8784 KB Output is correct
14 Correct 128 ms 9044 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 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 0 ms 348 KB Output is correct
23 Correct 88 ms 5524 KB Output is correct
24 Correct 60 ms 3908 KB Output is correct
25 Correct 47 ms 2904 KB Output is correct
26 Correct 37 ms 2340 KB Output is correct
27 Correct 1 ms 600 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 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 53 ms 6228 KB Output is correct
36 Correct 178 ms 11564 KB Output is correct
37 Correct 169 ms 10700 KB Output is correct
38 Correct 1 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 0 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 3 ms 604 KB Output is correct
46 Correct 6 ms 672 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 50 ms 2224 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 3 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 103 ms 5532 KB Output is correct
56 Correct 44 ms 3128 KB Output is correct
57 Correct 42 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 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 88 ms 5524 KB Output is correct
10 Correct 60 ms 3908 KB Output is correct
11 Correct 47 ms 2904 KB Output is correct
12 Correct 37 ms 2340 KB Output is correct
13 Correct 1 ms 600 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 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 3 ms 604 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 53 ms 6228 KB Output is correct
22 Correct 178 ms 11564 KB Output is correct
23 Correct 169 ms 10700 KB Output is correct
24 Correct 31 ms 2276 KB Output is correct
25 Correct 85 ms 5056 KB Output is correct
26 Correct 19 ms 1376 KB Output is correct
27 Correct 175 ms 10832 KB Output is correct
28 Correct 200 ms 10836 KB Output is correct
29 Correct 179 ms 10832 KB Output is correct
30 Correct 182 ms 10832 KB Output is correct
31 Correct 207 ms 10772 KB Output is correct
32 Correct 73 ms 6228 KB Output is correct
33 Correct 203 ms 11544 KB Output is correct
34 Correct 73 ms 6100 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 3 ms 348 KB Output is correct
11 Correct 198 ms 10820 KB Output is correct
12 Correct 194 ms 10832 KB Output is correct
13 Correct 125 ms 8784 KB Output is correct
14 Correct 128 ms 9044 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 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 0 ms 348 KB Output is correct
23 Correct 88 ms 5524 KB Output is correct
24 Correct 60 ms 3908 KB Output is correct
25 Correct 47 ms 2904 KB Output is correct
26 Correct 37 ms 2340 KB Output is correct
27 Correct 1 ms 600 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 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 1 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 0 ms 348 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 3 ms 604 KB Output is correct
42 Correct 6 ms 672 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 50 ms 2224 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 3 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 103 ms 5532 KB Output is correct
52 Correct 44 ms 3128 KB Output is correct
53 Correct 42 ms 3160 KB Output is correct
54 Correct 31 ms 2276 KB Output is correct
55 Correct 85 ms 5056 KB Output is correct
56 Correct 19 ms 1376 KB Output is correct
57 Correct 175 ms 10832 KB Output is correct
58 Correct 200 ms 10836 KB Output is correct
59 Correct 179 ms 10832 KB Output is correct
60 Correct 182 ms 10832 KB Output is correct
61 Correct 207 ms 10772 KB Output is correct
62 Correct 73 ms 6228 KB Output is correct
63 Correct 203 ms 11544 KB Output is correct
64 Correct 73 ms 6100 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 53 ms 6228 KB Output is correct
67 Correct 178 ms 11564 KB Output is correct
68 Correct 169 ms 10700 KB Output is correct
69 Correct 25 ms 1560 KB Output is correct
70 Correct 6 ms 596 KB Output is correct
71 Correct 1 ms 440 KB Output is correct
72 Correct 35 ms 1884 KB Output is correct
73 Correct 7 ms 604 KB Output is correct
74 Correct 1 ms 344 KB Output is correct
75 Correct 208 ms 10700 KB Output is correct
76 Correct 208 ms 10828 KB Output is correct
77 Correct 214 ms 10900 KB Output is correct
78 Correct 239 ms 10700 KB Output is correct
79 Correct 248 ms 10836 KB Output is correct
80 Correct 252 ms 10820 KB Output is correct
81 Correct 148 ms 8788 KB Output is correct
82 Correct 153 ms 8788 KB Output is correct