oj.uz

Submission #869977

# Submission time Handle Problem Language Result Execution time Memory
869977 2023-11-06T13:05:40 Z boris_mihov Self Study (JOI22_ho_t2) C++17
100 / 100
 205 ms 5208 KB 
#include <algorithm>
#include <iostream>
#include <numeric>
#include <vector>
 
typedef long long llong;
const int MAXN = 300000 + 10;
const llong INF = 1e18;
 
llong n, m;
llong a[MAXN]; 
llong b[MAXN];

bool check(llong value)
{
    llong freeB = 0;
    for (int i = 1 ; i <= n ; ++i)
    {
        llong currLections = std::min(m, (value / a[i] + ((value % a[i]) > 0)));
        if (value <= m * a[i]) freeB += m - currLections;
        else
        {
            llong moreLections = (value - m * a[i]) / b[i] + (((value - m * a[i]) % b[i]) > 0);
            freeB -= moreLections;
        }

        if (freeB + (n - i) * m < 0)
        {
            return 0;
        }
    }
 
    return freeB >= 0;
}
 
void solve()
{
    llong l = 0, r = INF + 1, mid;
    while (l < r - 1)
    {
        mid = (l + r) / 2;
        if (check(mid)) l = mid;
        else r = mid;
    }
 
    std::cout << l << '\n';
}
 
void read()
{
    std::cin >> n >> m;
    for (int i = 1 ; i <= n ; ++i) 
    {
        std::cin >> a[i];
    }
 
    for (int i = 1 ; i <= n ; ++i) 
    {
        std::cin >> b[i];
        a[i] = std::max(a[i], b[i]);
    }
}
 
void fastIO()
{
    std::ios_base :: sync_with_stdio(0);
    std::cout.tie(nullptr);
    std::cin.tie(nullptr);
}
 
int main()
{
    fastIO();
    read();
    solve();
 
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 89 ms 4948 KB Output is correct
12 Correct 81 ms 5208 KB Output is correct
13 Correct 66 ms 4956 KB Output is correct
14 Correct 54 ms 5136 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 25 ms 4956 KB Output is correct
17 Correct 84 ms 5132 KB Output is correct
18 Correct 81 ms 5136 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 25 ms 4956 KB Output is correct
3 Correct 84 ms 5132 KB Output is correct
4 Correct 81 ms 5136 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 41 ms 4572 KB Output is correct
14 Correct 28 ms 4952 KB Output is correct
15 Correct 21 ms 4696 KB Output is correct
16 Correct 17 ms 4696 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 2 ms 2396 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 89 ms 4948 KB Output is correct
12 Correct 81 ms 5208 KB Output is correct
13 Correct 66 ms 4956 KB Output is correct
14 Correct 54 ms 5136 KB Output is correct
15 Correct 0 ms 2392 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 41 ms 4572 KB Output is correct
24 Correct 28 ms 4952 KB Output is correct
25 Correct 21 ms 4696 KB Output is correct
26 Correct 17 ms 4696 KB Output is correct
27 Correct 1 ms 2392 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 25 ms 4956 KB Output is correct
36 Correct 84 ms 5132 KB Output is correct
37 Correct 81 ms 5136 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 2 ms 2396 KB Output is correct
46 Correct 3 ms 2580 KB Output is correct
47 Correct 1 ms 2392 KB Output is correct
48 Correct 15 ms 4696 KB Output is correct
49 Correct 0 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 2 ms 2580 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 0 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 42 ms 4700 KB Output is correct
56 Correct 25 ms 4724 KB Output is correct
57 Correct 21 ms 4700 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 41 ms 4572 KB Output is correct
10 Correct 28 ms 4952 KB Output is correct
11 Correct 21 ms 4696 KB Output is correct
12 Correct 17 ms 4696 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 25 ms 4956 KB Output is correct
22 Correct 84 ms 5132 KB Output is correct
23 Correct 81 ms 5136 KB Output is correct
24 Correct 26 ms 4700 KB Output is correct
25 Correct 61 ms 4700 KB Output is correct
26 Correct 11 ms 4700 KB Output is correct
27 Correct 78 ms 5076 KB Output is correct
28 Correct 83 ms 5100 KB Output is correct
29 Correct 85 ms 4956 KB Output is correct
30 Correct 107 ms 5208 KB Output is correct
31 Correct 181 ms 5132 KB Output is correct
32 Correct 94 ms 4956 KB Output is correct
33 Correct 205 ms 4956 KB Output is correct
34 Correct 89 ms 4956 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 89 ms 4948 KB Output is correct
12 Correct 81 ms 5208 KB Output is correct
13 Correct 66 ms 4956 KB Output is correct
14 Correct 54 ms 5136 KB Output is correct
15 Correct 0 ms 2392 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 41 ms 4572 KB Output is correct
24 Correct 28 ms 4952 KB Output is correct
25 Correct 21 ms 4696 KB Output is correct
26 Correct 17 ms 4696 KB Output is correct
27 Correct 1 ms 2392 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 2 ms 2396 KB Output is correct
42 Correct 3 ms 2580 KB Output is correct
43 Correct 1 ms 2392 KB Output is correct
44 Correct 15 ms 4696 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 2 ms 2580 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 0 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 42 ms 4700 KB Output is correct
52 Correct 25 ms 4724 KB Output is correct
53 Correct 21 ms 4700 KB Output is correct
54 Correct 26 ms 4700 KB Output is correct
55 Correct 61 ms 4700 KB Output is correct
56 Correct 11 ms 4700 KB Output is correct
57 Correct 78 ms 5076 KB Output is correct
58 Correct 83 ms 5100 KB Output is correct
59 Correct 85 ms 4956 KB Output is correct
60 Correct 107 ms 5208 KB Output is correct
61 Correct 181 ms 5132 KB Output is correct
62 Correct 94 ms 4956 KB Output is correct
63 Correct 205 ms 4956 KB Output is correct
64 Correct 89 ms 4956 KB Output is correct
65 Correct 1 ms 2396 KB Output is correct
66 Correct 25 ms 4956 KB Output is correct
67 Correct 84 ms 5132 KB Output is correct
68 Correct 81 ms 5136 KB Output is correct
69 Correct 18 ms 4700 KB Output is correct
70 Correct 6 ms 2396 KB Output is correct
71 Correct 0 ms 2396 KB Output is correct
72 Correct 28 ms 4700 KB Output is correct
73 Correct 6 ms 2392 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 86 ms 4956 KB Output is correct
76 Correct 96 ms 4956 KB Output is correct
77 Correct 103 ms 5064 KB Output is correct
78 Correct 135 ms 5196 KB Output is correct
79 Correct 188 ms 4948 KB Output is correct
80 Correct 193 ms 4956 KB Output is correct
81 Correct 201 ms 5128 KB Output is correct
82 Correct 194 ms 4956 KB Output is correct