#include "bits/stdc++.h"
using namespace std;
#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, m;
cin >> n >> m;
vector<int> a(n), b(n);
for (int i = 0; i < n; ++i) {
cin >> a[i];
}
for (int i = 0; i < n; ++i) {
cin >> b[i];
}
auto ch = [&](long long mid) -> bool {
long long days = 0;
for (int i = 0; i < n; ++i) {
if (b[i] >= a[i]) {
days += (mid + b[i] - 1) / b[i];
} else {
int t = min((long long) m, (mid + a[i] - 1) / a[i]);
days += t;
if (mid - (long long) a[i] * t > 0) {
days += (mid - (long long) a[i] * t + b[i] - 1) / b[i];
}
}
if (days > (long long) n * m) {
return false;
}
}
return true;
};
long long l = 0, r = 2e18;
while (l < r) {
long long mid = (l + r + 1) / 2;
if (ch(mid)) l = mid;
else r = mid - 1;
}
cout << l << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
88 ms |
2792 KB |
Output is correct |
12 |
Correct |
96 ms |
2648 KB |
Output is correct |
13 |
Correct |
73 ms |
2804 KB |
Output is correct |
14 |
Correct |
56 ms |
2652 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
27 ms |
3956 KB |
Output is correct |
17 |
Correct |
79 ms |
9068 KB |
Output is correct |
18 |
Correct |
81 ms |
8412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
27 ms |
3956 KB |
Output is correct |
3 |
Correct |
79 ms |
9068 KB |
Output is correct |
4 |
Correct |
81 ms |
8412 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
40 ms |
1628 KB |
Output is correct |
14 |
Correct |
28 ms |
1372 KB |
Output is correct |
15 |
Correct |
23 ms |
860 KB |
Output is correct |
16 |
Correct |
17 ms |
860 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
2 ms |
464 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
88 ms |
2792 KB |
Output is correct |
12 |
Correct |
96 ms |
2648 KB |
Output is correct |
13 |
Correct |
73 ms |
2804 KB |
Output is correct |
14 |
Correct |
56 ms |
2652 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
40 ms |
1628 KB |
Output is correct |
24 |
Correct |
28 ms |
1372 KB |
Output is correct |
25 |
Correct |
23 ms |
860 KB |
Output is correct |
26 |
Correct |
17 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
1 ms |
348 KB |
Output is correct |
35 |
Correct |
27 ms |
3956 KB |
Output is correct |
36 |
Correct |
79 ms |
9068 KB |
Output is correct |
37 |
Correct |
81 ms |
8412 KB |
Output is correct |
38 |
Correct |
1 ms |
456 KB |
Output is correct |
39 |
Correct |
0 ms |
344 KB |
Output is correct |
40 |
Correct |
1 ms |
348 KB |
Output is correct |
41 |
Correct |
1 ms |
344 KB |
Output is correct |
42 |
Correct |
0 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
0 ms |
348 KB |
Output is correct |
45 |
Correct |
2 ms |
344 KB |
Output is correct |
46 |
Correct |
3 ms |
604 KB |
Output is correct |
47 |
Correct |
1 ms |
484 KB |
Output is correct |
48 |
Correct |
17 ms |
1628 KB |
Output is correct |
49 |
Correct |
1 ms |
344 KB |
Output is correct |
50 |
Correct |
0 ms |
420 KB |
Output is correct |
51 |
Correct |
2 ms |
348 KB |
Output is correct |
52 |
Correct |
1 ms |
348 KB |
Output is correct |
53 |
Correct |
0 ms |
348 KB |
Output is correct |
54 |
Correct |
1 ms |
348 KB |
Output is correct |
55 |
Correct |
48 ms |
4300 KB |
Output is correct |
56 |
Correct |
26 ms |
2396 KB |
Output is correct |
57 |
Correct |
22 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
40 ms |
1628 KB |
Output is correct |
10 |
Correct |
28 ms |
1372 KB |
Output is correct |
11 |
Correct |
23 ms |
860 KB |
Output is correct |
12 |
Correct |
17 ms |
860 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
2 ms |
464 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
27 ms |
3956 KB |
Output is correct |
22 |
Correct |
79 ms |
9068 KB |
Output is correct |
23 |
Correct |
81 ms |
8412 KB |
Output is correct |
24 |
Correct |
26 ms |
1696 KB |
Output is correct |
25 |
Correct |
61 ms |
4096 KB |
Output is correct |
26 |
Correct |
11 ms |
1112 KB |
Output is correct |
27 |
Correct |
80 ms |
8588 KB |
Output is correct |
28 |
Correct |
84 ms |
8540 KB |
Output is correct |
29 |
Correct |
87 ms |
8676 KB |
Output is correct |
30 |
Correct |
107 ms |
8528 KB |
Output is correct |
31 |
Correct |
180 ms |
8592 KB |
Output is correct |
32 |
Correct |
108 ms |
3964 KB |
Output is correct |
33 |
Correct |
205 ms |
9068 KB |
Output is correct |
34 |
Correct |
106 ms |
3960 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
88 ms |
2792 KB |
Output is correct |
12 |
Correct |
96 ms |
2648 KB |
Output is correct |
13 |
Correct |
73 ms |
2804 KB |
Output is correct |
14 |
Correct |
56 ms |
2652 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
40 ms |
1628 KB |
Output is correct |
24 |
Correct |
28 ms |
1372 KB |
Output is correct |
25 |
Correct |
23 ms |
860 KB |
Output is correct |
26 |
Correct |
17 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
344 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
1 ms |
456 KB |
Output is correct |
35 |
Correct |
0 ms |
344 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
348 KB |
Output is correct |
41 |
Correct |
2 ms |
344 KB |
Output is correct |
42 |
Correct |
3 ms |
604 KB |
Output is correct |
43 |
Correct |
1 ms |
484 KB |
Output is correct |
44 |
Correct |
17 ms |
1628 KB |
Output is correct |
45 |
Correct |
1 ms |
344 KB |
Output is correct |
46 |
Correct |
0 ms |
420 KB |
Output is correct |
47 |
Correct |
2 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
49 |
Correct |
0 ms |
348 KB |
Output is correct |
50 |
Correct |
1 ms |
348 KB |
Output is correct |
51 |
Correct |
48 ms |
4300 KB |
Output is correct |
52 |
Correct |
26 ms |
2396 KB |
Output is correct |
53 |
Correct |
22 ms |
2396 KB |
Output is correct |
54 |
Correct |
26 ms |
1696 KB |
Output is correct |
55 |
Correct |
61 ms |
4096 KB |
Output is correct |
56 |
Correct |
11 ms |
1112 KB |
Output is correct |
57 |
Correct |
80 ms |
8588 KB |
Output is correct |
58 |
Correct |
84 ms |
8540 KB |
Output is correct |
59 |
Correct |
87 ms |
8676 KB |
Output is correct |
60 |
Correct |
107 ms |
8528 KB |
Output is correct |
61 |
Correct |
180 ms |
8592 KB |
Output is correct |
62 |
Correct |
108 ms |
3964 KB |
Output is correct |
63 |
Correct |
205 ms |
9068 KB |
Output is correct |
64 |
Correct |
106 ms |
3960 KB |
Output is correct |
65 |
Correct |
1 ms |
348 KB |
Output is correct |
66 |
Correct |
27 ms |
3956 KB |
Output is correct |
67 |
Correct |
79 ms |
9068 KB |
Output is correct |
68 |
Correct |
81 ms |
8412 KB |
Output is correct |
69 |
Correct |
21 ms |
1372 KB |
Output is correct |
70 |
Correct |
5 ms |
604 KB |
Output is correct |
71 |
Correct |
0 ms |
596 KB |
Output is correct |
72 |
Correct |
29 ms |
1624 KB |
Output is correct |
73 |
Correct |
6 ms |
604 KB |
Output is correct |
74 |
Correct |
1 ms |
464 KB |
Output is correct |
75 |
Correct |
101 ms |
8552 KB |
Output is correct |
76 |
Correct |
111 ms |
8788 KB |
Output is correct |
77 |
Correct |
125 ms |
8532 KB |
Output is correct |
78 |
Correct |
149 ms |
8528 KB |
Output is correct |
79 |
Correct |
201 ms |
8584 KB |
Output is correct |
80 |
Correct |
209 ms |
8532 KB |
Output is correct |
81 |
Correct |
197 ms |
6604 KB |
Output is correct |
82 |
Correct |
173 ms |
6492 KB |
Output is correct |