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Submission #538668

# Submission time Handle Problem Language Result Execution time Memory
538668 2022-03-17T12:08:04 Z faruk Self Study (JOI22_ho_t2) C++17
100 / 100
 292 ms 5068 KB 
#include <bits/stdc++.h>
#define pii pair<int, int>
#define ll long long
#define ld long double

using namespace std;

vector<ll> a;
vector<ll> b;
int n; ll m;
bool binary(ll x) {
    ll possible = 0;
    for (int i = 0; i < n ; i++) {
        ll val = a[i] * m;
        if (val < x)
            continue;
        ll diff = val - x;
        possible += diff / a[i];
    }

    for (int i = 0; i < n; i++) {
        ll val = a[i] * m;
        if (val >= x)
            continue;
        ll dif = x - val;
        possible -= ceil((ld)dif / (ld)b[i]);
    }
    return possible < 0;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;

    a.resize(n);
    b.resize(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    for (int i = 0; i < n; i++)
    {
        cin >> b[i];
        a[i] = max(a[i], b[i]);
    }

    ll l = 0, r = 6e18;
    while (l < r) {
        ll mid = (l + r) / 2;
        if (binary(mid))
            r = mid;
        else
            l = mid + 1;
    }

    cout << l - 1<< "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 252 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 190 ms 4948 KB Output is correct
12 Correct 208 ms 5008 KB Output is correct
13 Correct 191 ms 5008 KB Output is correct
14 Correct 198 ms 5016 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 202 ms 5008 KB Output is correct
17 Correct 246 ms 4948 KB Output is correct
18 Correct 206 ms 4948 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 202 ms 5008 KB Output is correct
3 Correct 246 ms 4948 KB Output is correct
4 Correct 206 ms 4948 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 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 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 110 ms 2660 KB Output is correct
14 Correct 73 ms 1880 KB Output is correct
15 Correct 48 ms 1492 KB Output is correct
16 Correct 43 ms 1236 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 4 ms 340 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 252 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 190 ms 4948 KB Output is correct
12 Correct 208 ms 5008 KB Output is correct
13 Correct 191 ms 5008 KB Output is correct
14 Correct 198 ms 5016 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 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 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 110 ms 2660 KB Output is correct
24 Correct 73 ms 1880 KB Output is correct
25 Correct 48 ms 1492 KB Output is correct
26 Correct 43 ms 1236 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 202 ms 5008 KB Output is correct
36 Correct 246 ms 4948 KB Output is correct
37 Correct 206 ms 4948 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 288 KB Output is correct
45 Correct 4 ms 340 KB Output is correct
46 Correct 7 ms 340 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 34 ms 1108 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 3 ms 340 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 107 ms 2644 KB Output is correct
56 Correct 66 ms 1876 KB Output is correct
57 Correct 64 ms 1876 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 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 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 110 ms 2660 KB Output is correct
10 Correct 73 ms 1880 KB Output is correct
11 Correct 48 ms 1492 KB Output is correct
12 Correct 43 ms 1236 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 4 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 202 ms 5008 KB Output is correct
22 Correct 246 ms 4948 KB Output is correct
23 Correct 206 ms 4948 KB Output is correct
24 Correct 48 ms 980 KB Output is correct
25 Correct 123 ms 2432 KB Output is correct
26 Correct 25 ms 724 KB Output is correct
27 Correct 197 ms 4940 KB Output is correct
28 Correct 220 ms 5024 KB Output is correct
29 Correct 195 ms 5008 KB Output is correct
30 Correct 204 ms 4948 KB Output is correct
31 Correct 292 ms 5068 KB Output is correct
32 Correct 172 ms 5024 KB Output is correct
33 Correct 228 ms 5016 KB Output is correct
34 Correct 204 ms 5008 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 252 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 190 ms 4948 KB Output is correct
12 Correct 208 ms 5008 KB Output is correct
13 Correct 191 ms 5008 KB Output is correct
14 Correct 198 ms 5016 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 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 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 110 ms 2660 KB Output is correct
24 Correct 73 ms 1880 KB Output is correct
25 Correct 48 ms 1492 KB Output is correct
26 Correct 43 ms 1236 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 4 ms 340 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 288 KB Output is correct
41 Correct 4 ms 340 KB Output is correct
42 Correct 7 ms 340 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 34 ms 1108 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 3 ms 340 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 107 ms 2644 KB Output is correct
52 Correct 66 ms 1876 KB Output is correct
53 Correct 64 ms 1876 KB Output is correct
54 Correct 48 ms 980 KB Output is correct
55 Correct 123 ms 2432 KB Output is correct
56 Correct 25 ms 724 KB Output is correct
57 Correct 197 ms 4940 KB Output is correct
58 Correct 220 ms 5024 KB Output is correct
59 Correct 195 ms 5008 KB Output is correct
60 Correct 204 ms 4948 KB Output is correct
61 Correct 292 ms 5068 KB Output is correct
62 Correct 172 ms 5024 KB Output is correct
63 Correct 228 ms 5016 KB Output is correct
64 Correct 204 ms 5008 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 202 ms 5008 KB Output is correct
67 Correct 246 ms 4948 KB Output is correct
68 Correct 206 ms 4948 KB Output is correct
69 Correct 26 ms 724 KB Output is correct
70 Correct 8 ms 340 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 38 ms 980 KB Output is correct
73 Correct 9 ms 468 KB Output is correct
74 Correct 2 ms 212 KB Output is correct
75 Correct 206 ms 4948 KB Output is correct
76 Correct 203 ms 5024 KB Output is correct
77 Correct 237 ms 5016 KB Output is correct
78 Correct 233 ms 4948 KB Output is correct
79 Correct 252 ms 5004 KB Output is correct
80 Correct 287 ms 5008 KB Output is correct
81 Correct 185 ms 4948 KB Output is correct
82 Correct 204 ms 5012 KB Output is correct