oj.uz

Submission #869975

# Submission time Handle Problem Language Result Execution time Memory
869975 2023-11-06T13:04:56 Z boris_mihov Self Study (JOI22_ho_t2) C++17
62 / 100
 94 ms 5136 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 = sum + 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 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 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 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 94 ms 5128 KB Output is correct
12 Correct 80 ms 5132 KB Output is correct
13 Correct 59 ms 4956 KB Output is correct
14 Correct 35 ms 4940 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 24 ms 4956 KB Output is correct
17 Correct 70 ms 4944 KB Output is correct
18 Correct 80 ms 5136 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 24 ms 4956 KB Output is correct
3 Correct 70 ms 4944 KB Output is correct
4 Correct 80 ms 5136 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 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 0 ms 2392 KB Output is correct
13 Correct 42 ms 4724 KB Output is correct
14 Correct 28 ms 4700 KB Output is correct
15 Correct 21 ms 4748 KB Output is correct
16 Correct 18 ms 4620 KB Output is correct
17 Correct 1 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 1 ms 2392 KB Output is correct
21 Correct 1 ms 2648 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 2 ms 2548 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 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 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 94 ms 5128 KB Output is correct
12 Correct 80 ms 5132 KB Output is correct
13 Correct 59 ms 4956 KB Output is correct
14 Correct 35 ms 4940 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 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 0 ms 2392 KB Output is correct
23 Correct 42 ms 4724 KB Output is correct
24 Correct 28 ms 4700 KB Output is correct
25 Correct 21 ms 4748 KB Output is correct
26 Correct 18 ms 4620 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 1 ms 2648 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 2548 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 24 ms 4956 KB Output is correct
36 Correct 70 ms 4944 KB Output is correct
37 Correct 80 ms 5136 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 0 ms 2396 KB Output is correct
42 Correct 0 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 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 15 ms 4748 KB Output is correct
49 Correct 1 ms 2392 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 3 ms 2396 KB Output is correct
52 Correct 1 ms 2648 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 4724 KB Output is correct
56 Correct 23 ms 4700 KB Output is correct
57 Correct 13 ms 4744 KB Output is correct

Subtask #4
0 / 29.0

# 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 0 ms 2396 KB Output is correct
4 Correct 0 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 1 ms 2392 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 42 ms 4724 KB Output is correct
10 Correct 28 ms 4700 KB Output is correct
11 Correct 21 ms 4748 KB Output is correct
12 Correct 18 ms 4620 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2648 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 2 ms 2548 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 24 ms 4956 KB Output is correct
22 Correct 70 ms 4944 KB Output is correct
23 Correct 80 ms 5136 KB Output is correct
24 Incorrect 7 ms 4700 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 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 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 94 ms 5128 KB Output is correct
12 Correct 80 ms 5132 KB Output is correct
13 Correct 59 ms 4956 KB Output is correct
14 Correct 35 ms 4940 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 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 0 ms 2392 KB Output is correct
23 Correct 42 ms 4724 KB Output is correct
24 Correct 28 ms 4700 KB Output is correct
25 Correct 21 ms 4748 KB Output is correct
26 Correct 18 ms 4620 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 1 ms 2392 KB Output is correct
31 Correct 1 ms 2648 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 2548 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 0 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 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 15 ms 4748 KB Output is correct
45 Correct 1 ms 2392 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 3 ms 2396 KB Output is correct
48 Correct 1 ms 2648 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 4724 KB Output is correct
52 Correct 23 ms 4700 KB Output is correct
53 Correct 13 ms 4744 KB Output is correct
54 Incorrect 7 ms 4700 KB Output isn't correct
55 Halted 0 ms 0 KB -