oj.uz

Submission #869976

# Submission time Handle Problem Language Result Execution time Memory
869976 2023-11-06T13:05:10 Z boris_mihov Self Study (JOI22_ho_t2) C++17
100 / 100
 194 ms 5204 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)
{
    __int128 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 min = INF;
    llong sum = 0;
 
    for (int i = 1 ; i <= n ; ++i)
    {
        min = std::min(min, m * a[i]);
        sum += m * a[i];
    }
    
    // sum /= n;
    llong l = min, 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 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 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 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 80 ms 5068 KB Output is correct
12 Correct 81 ms 5204 KB Output is correct
13 Correct 55 ms 4956 KB Output is correct
14 Correct 35 ms 4944 KB Output is correct
15 Correct 0 ms 2392 KB Output is correct
16 Correct 24 ms 4956 KB Output is correct
17 Correct 66 ms 4956 KB Output is correct
18 Correct 78 ms 5064 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 24 ms 4956 KB Output is correct
3 Correct 66 ms 4956 KB Output is correct
4 Correct 78 ms 5064 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 2 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 42 ms 4696 KB Output is correct
14 Correct 28 ms 4696 KB Output is correct
15 Correct 21 ms 4952 KB Output is correct
16 Correct 18 ms 4748 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2392 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 0 ms 2392 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 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 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 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 80 ms 5068 KB Output is correct
12 Correct 81 ms 5204 KB Output is correct
13 Correct 55 ms 4956 KB Output is correct
14 Correct 35 ms 4944 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 2 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 42 ms 4696 KB Output is correct
24 Correct 28 ms 4696 KB Output is correct
25 Correct 21 ms 4952 KB Output is correct
26 Correct 18 ms 4748 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2392 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 0 ms 2392 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 2392 KB Output is correct
35 Correct 24 ms 4956 KB Output is correct
36 Correct 66 ms 4956 KB Output is correct
37 Correct 78 ms 5064 KB Output is correct
38 Correct 0 ms 2392 KB Output is correct
39 Correct 1 ms 2392 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 0 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 2392 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 17 ms 4712 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 2396 KB Output is correct
52 Correct 1 ms 2392 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 42 ms 4720 KB Output is correct
56 Correct 24 ms 4700 KB Output is correct
57 Correct 13 ms 4700 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 2 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 42 ms 4696 KB Output is correct
10 Correct 28 ms 4696 KB Output is correct
11 Correct 21 ms 4952 KB Output is correct
12 Correct 18 ms 4748 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2392 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2396 KB Output is correct
20 Correct 0 ms 2392 KB Output is correct
21 Correct 24 ms 4956 KB Output is correct
22 Correct 66 ms 4956 KB Output is correct
23 Correct 78 ms 5064 KB Output is correct
24 Correct 26 ms 4952 KB Output is correct
25 Correct 61 ms 4728 KB Output is correct
26 Correct 11 ms 4696 KB Output is correct
27 Correct 78 ms 5076 KB Output is correct
28 Correct 86 ms 5064 KB Output is correct
29 Correct 88 ms 5136 KB Output is correct
30 Correct 106 ms 5132 KB Output is correct
31 Correct 180 ms 4952 KB Output is correct
32 Correct 81 ms 4952 KB Output is correct
33 Correct 46 ms 4956 KB Output is correct
34 Correct 83 ms 4956 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 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 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 80 ms 5068 KB Output is correct
12 Correct 81 ms 5204 KB Output is correct
13 Correct 55 ms 4956 KB Output is correct
14 Correct 35 ms 4944 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 2 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 42 ms 4696 KB Output is correct
24 Correct 28 ms 4696 KB Output is correct
25 Correct 21 ms 4952 KB Output is correct
26 Correct 18 ms 4748 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2392 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 0 ms 2392 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 2392 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 0 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 2392 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 17 ms 4712 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 2396 KB Output is correct
48 Correct 1 ms 2392 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 42 ms 4720 KB Output is correct
52 Correct 24 ms 4700 KB Output is correct
53 Correct 13 ms 4700 KB Output is correct
54 Correct 26 ms 4952 KB Output is correct
55 Correct 61 ms 4728 KB Output is correct
56 Correct 11 ms 4696 KB Output is correct
57 Correct 78 ms 5076 KB Output is correct
58 Correct 86 ms 5064 KB Output is correct
59 Correct 88 ms 5136 KB Output is correct
60 Correct 106 ms 5132 KB Output is correct
61 Correct 180 ms 4952 KB Output is correct
62 Correct 81 ms 4952 KB Output is correct
63 Correct 46 ms 4956 KB Output is correct
64 Correct 83 ms 4956 KB Output is correct
65 Correct 0 ms 2392 KB Output is correct
66 Correct 24 ms 4956 KB Output is correct
67 Correct 66 ms 4956 KB Output is correct
68 Correct 78 ms 5064 KB Output is correct
69 Correct 19 ms 4700 KB Output is correct
70 Correct 5 ms 2396 KB Output is correct
71 Correct 0 ms 2396 KB Output is correct
72 Correct 28 ms 4696 KB Output is correct
73 Correct 6 ms 2396 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 95 ms 5064 KB Output is correct
76 Correct 96 ms 4956 KB Output is correct
77 Correct 107 ms 4956 KB Output is correct
78 Correct 134 ms 5064 KB Output is correct
79 Correct 185 ms 4944 KB Output is correct
80 Correct 194 ms 4944 KB Output is correct
81 Correct 34 ms 4952 KB Output is correct
82 Correct 34 ms 5144 KB Output is correct