oj.uz

Submission #869971

# Submission time Handle Problem Language Result Execution time Memory
869971 2023-11-06T13:01:11 Z boris_mihov Self Study (JOI22_ho_t2) C++17
62 / 100
 82 ms 5252 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], b[MAXN];
llong achieved[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;
        }
    }
 
    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 4444 KB Output is correct
2 Correct 3 ms 4560 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 82 ms 5252 KB Output is correct
12 Correct 81 ms 5212 KB Output is correct
13 Correct 35 ms 5212 KB Output is correct
14 Correct 34 ms 5212 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 30 ms 5212 KB Output is correct
17 Correct 52 ms 5204 KB Output is correct
18 Correct 80 ms 5164 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 30 ms 5212 KB Output is correct
3 Correct 52 ms 5204 KB Output is correct
4 Correct 80 ms 5164 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 44 ms 4544 KB Output is correct
14 Correct 29 ms 4444 KB Output is correct
15 Correct 21 ms 4444 KB Output is correct
16 Correct 17 ms 4440 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4548 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 3 ms 4560 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 82 ms 5252 KB Output is correct
12 Correct 81 ms 5212 KB Output is correct
13 Correct 35 ms 5212 KB Output is correct
14 Correct 34 ms 5212 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 44 ms 4544 KB Output is correct
24 Correct 29 ms 4444 KB Output is correct
25 Correct 21 ms 4444 KB Output is correct
26 Correct 17 ms 4440 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4548 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 30 ms 5212 KB Output is correct
36 Correct 52 ms 5204 KB Output is correct
37 Correct 80 ms 5164 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4444 KB Output is correct
45 Correct 2 ms 4444 KB Output is correct
46 Correct 3 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 15 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4440 KB Output is correct
51 Correct 2 ms 4452 KB Output is correct
52 Correct 1 ms 4452 KB Output is correct
53 Correct 1 ms 4452 KB Output is correct
54 Correct 1 ms 4452 KB Output is correct
55 Correct 42 ms 4568 KB Output is correct
56 Correct 12 ms 4452 KB Output is correct
57 Correct 14 ms 4452 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 44 ms 4544 KB Output is correct
10 Correct 29 ms 4444 KB Output is correct
11 Correct 21 ms 4444 KB Output is correct
12 Correct 17 ms 4440 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4440 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4548 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 30 ms 5212 KB Output is correct
22 Correct 52 ms 5204 KB Output is correct
23 Correct 80 ms 5164 KB Output is correct
24 Incorrect 7 ms 4452 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 4444 KB Output is correct
2 Correct 3 ms 4560 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 82 ms 5252 KB Output is correct
12 Correct 81 ms 5212 KB Output is correct
13 Correct 35 ms 5212 KB Output is correct
14 Correct 34 ms 5212 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 44 ms 4544 KB Output is correct
24 Correct 29 ms 4444 KB Output is correct
25 Correct 21 ms 4444 KB Output is correct
26 Correct 17 ms 4440 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4548 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 3 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 15 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4440 KB Output is correct
47 Correct 2 ms 4452 KB Output is correct
48 Correct 1 ms 4452 KB Output is correct
49 Correct 1 ms 4452 KB Output is correct
50 Correct 1 ms 4452 KB Output is correct
51 Correct 42 ms 4568 KB Output is correct
52 Correct 12 ms 4452 KB Output is correct
53 Correct 14 ms 4452 KB Output is correct
54 Incorrect 7 ms 4452 KB Output isn't correct
55 Halted 0 ms 0 KB -