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Submission #612377

# Submission time Handle Problem Language Result Execution time Memory
612377 2022-07-29T13:43:51 Z boris_mihov Self Study (JOI22_ho_t2) C++14
100 / 100
 272 ms 11552 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)
{
    __int128 freeB = 0;
    for (int i = 1 ; i <= n ; ++i)
    {
        if (b[i] >= a[i])
        {
            llong currLections = (value / b[i] + ((value % b[i]) > 0));
            freeB += m - currLections;
        } else
        {
            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 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];
}

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 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 174 ms 5004 KB Output is correct
12 Correct 179 ms 4996 KB Output is correct
13 Correct 161 ms 5000 KB Output is correct
14 Correct 211 ms 5068 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 196 ms 6088 KB Output is correct
17 Correct 186 ms 11552 KB Output is correct
18 Correct 178 ms 10788 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 196 ms 6088 KB Output is correct
3 Correct 186 ms 11552 KB Output is correct
4 Correct 178 ms 10788 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 84 ms 2668 KB Output is correct
14 Correct 57 ms 1880 KB Output is correct
15 Correct 42 ms 1452 KB Output is correct
16 Correct 39 ms 1260 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 3 ms 468 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 174 ms 5004 KB Output is correct
12 Correct 179 ms 4996 KB Output is correct
13 Correct 161 ms 5000 KB Output is correct
14 Correct 211 ms 5068 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 84 ms 2668 KB Output is correct
24 Correct 57 ms 1880 KB Output is correct
25 Correct 42 ms 1452 KB Output is correct
26 Correct 39 ms 1260 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 196 ms 6088 KB Output is correct
36 Correct 186 ms 11552 KB Output is correct
37 Correct 178 ms 10788 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 3 ms 436 KB Output is correct
46 Correct 6 ms 596 KB Output is correct
47 Correct 2 ms 340 KB Output is correct
48 Correct 32 ms 2116 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 4 ms 468 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 324 KB Output is correct
55 Correct 93 ms 5520 KB Output is correct
56 Correct 57 ms 3152 KB Output is correct
57 Correct 75 ms 3152 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 84 ms 2668 KB Output is correct
10 Correct 57 ms 1880 KB Output is correct
11 Correct 42 ms 1452 KB Output is correct
12 Correct 39 ms 1260 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 3 ms 468 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 196 ms 6088 KB Output is correct
22 Correct 186 ms 11552 KB Output is correct
23 Correct 178 ms 10788 KB Output is correct
24 Correct 37 ms 1836 KB Output is correct
25 Correct 98 ms 5012 KB Output is correct
26 Correct 22 ms 1432 KB Output is correct
27 Correct 169 ms 10804 KB Output is correct
28 Correct 179 ms 10800 KB Output is correct
29 Correct 210 ms 10800 KB Output is correct
30 Correct 190 ms 10796 KB Output is correct
31 Correct 233 ms 10756 KB Output is correct
32 Correct 272 ms 6176 KB Output is correct
33 Correct 268 ms 11452 KB Output is correct
34 Correct 223 ms 6176 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 3 ms 340 KB Output is correct
11 Correct 174 ms 5004 KB Output is correct
12 Correct 179 ms 4996 KB Output is correct
13 Correct 161 ms 5000 KB Output is correct
14 Correct 211 ms 5068 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 84 ms 2668 KB Output is correct
24 Correct 57 ms 1880 KB Output is correct
25 Correct 42 ms 1452 KB Output is correct
26 Correct 39 ms 1260 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 3 ms 436 KB Output is correct
42 Correct 6 ms 596 KB Output is correct
43 Correct 2 ms 340 KB Output is correct
44 Correct 32 ms 2116 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 324 KB Output is correct
51 Correct 93 ms 5520 KB Output is correct
52 Correct 57 ms 3152 KB Output is correct
53 Correct 75 ms 3152 KB Output is correct
54 Correct 37 ms 1836 KB Output is correct
55 Correct 98 ms 5012 KB Output is correct
56 Correct 22 ms 1432 KB Output is correct
57 Correct 169 ms 10804 KB Output is correct
58 Correct 179 ms 10800 KB Output is correct
59 Correct 210 ms 10800 KB Output is correct
60 Correct 190 ms 10796 KB Output is correct
61 Correct 233 ms 10756 KB Output is correct
62 Correct 272 ms 6176 KB Output is correct
63 Correct 268 ms 11452 KB Output is correct
64 Correct 223 ms 6176 KB Output is correct
65 Correct 0 ms 340 KB Output is correct
66 Correct 196 ms 6088 KB Output is correct
67 Correct 186 ms 11552 KB Output is correct
68 Correct 178 ms 10788 KB Output is correct
69 Correct 30 ms 1344 KB Output is correct
70 Correct 8 ms 584 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 34 ms 1800 KB Output is correct
73 Correct 7 ms 576 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 183 ms 10800 KB Output is correct
76 Correct 180 ms 10800 KB Output is correct
77 Correct 186 ms 10796 KB Output is correct
78 Correct 202 ms 10828 KB Output is correct
79 Correct 225 ms 10768 KB Output is correct
80 Correct 241 ms 10804 KB Output is correct
81 Correct 223 ms 8784 KB Output is correct
82 Correct 231 ms 8816 KB Output is correct