#include <bits/stdc++.h>
using namespace std;
#ifdef ngu
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = (int) 3e5 + 5;
int n, m;
int a[N], b[N];
bool check(long long mid) {
long long cnt = 0;
for (int i = 1; i <= n; ++i) {
if (a[i] < b[i]) {
cnt += (mid - 1) / b[i] + 1;
} else {
if (1LL * a[i] * m >= mid) {
cnt += (mid - 1) / a[i] + 1;
} else {
cnt += (mid - 1LL * a[i] * m - 1) / b[i] + m + 1;
}
}
if (cnt > 1LL * n * m) {
return false;
}
}
return true;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
#ifdef ngu
freopen("test.inp", "r", stdin);
freopen("test.out", "w", stdout);
#endif
cin >> n >> m;
for (int i = 1; i <= n; ++i) {
cin >> a[i];
}
for (int i = 1; i <= n; ++i) {
cin >> b[i];
}
long long l = 1, r = 1e18, res = 0;
while (l <= r) {
long long mid = l + r >> 1;
if (check(mid)) {
res = mid;
l = mid + 1;
} else {
r = mid - 1;
}
}
cout << res;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:51:27: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
51 | long long mid = l + r >> 1;
| ~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 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 |
2508 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
2 ms |
2396 KB |
Output is correct |
11 |
Correct |
85 ms |
2776 KB |
Output is correct |
12 |
Correct |
91 ms |
2760 KB |
Output is correct |
13 |
Correct |
66 ms |
2648 KB |
Output is correct |
14 |
Correct |
55 ms |
2784 KB |
Output is correct |
15 |
Correct |
1 ms |
2512 KB |
Output is correct |
16 |
Correct |
25 ms |
3924 KB |
Output is correct |
17 |
Correct |
80 ms |
9172 KB |
Output is correct |
18 |
Correct |
82 ms |
8544 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2512 KB |
Output is correct |
2 |
Correct |
25 ms |
3924 KB |
Output is correct |
3 |
Correct |
80 ms |
9172 KB |
Output is correct |
4 |
Correct |
82 ms |
8544 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 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 |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
49 ms |
2668 KB |
Output is correct |
14 |
Correct |
28 ms |
2656 KB |
Output is correct |
15 |
Correct |
20 ms |
2648 KB |
Output is correct |
16 |
Correct |
17 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 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 |
0 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
2 ms |
2524 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 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 |
2508 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
2 ms |
2396 KB |
Output is correct |
11 |
Correct |
85 ms |
2776 KB |
Output is correct |
12 |
Correct |
91 ms |
2760 KB |
Output is correct |
13 |
Correct |
66 ms |
2648 KB |
Output is correct |
14 |
Correct |
55 ms |
2784 KB |
Output is correct |
15 |
Correct |
1 ms |
2392 KB |
Output is correct |
16 |
Correct |
1 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 |
2392 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
49 ms |
2668 KB |
Output is correct |
24 |
Correct |
28 ms |
2656 KB |
Output is correct |
25 |
Correct |
20 ms |
2648 KB |
Output is correct |
26 |
Correct |
17 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
0 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
2 ms |
2524 KB |
Output is correct |
34 |
Correct |
1 ms |
2512 KB |
Output is correct |
35 |
Correct |
25 ms |
3924 KB |
Output is correct |
36 |
Correct |
80 ms |
9172 KB |
Output is correct |
37 |
Correct |
82 ms |
8544 KB |
Output is correct |
38 |
Correct |
1 ms |
2396 KB |
Output is correct |
39 |
Correct |
1 ms |
2396 KB |
Output is correct |
40 |
Correct |
1 ms |
2396 KB |
Output is correct |
41 |
Correct |
1 ms |
2396 KB |
Output is correct |
42 |
Correct |
1 ms |
2392 KB |
Output is correct |
43 |
Correct |
1 ms |
2396 KB |
Output is correct |
44 |
Correct |
1 ms |
2396 KB |
Output is correct |
45 |
Correct |
2 ms |
2396 KB |
Output is correct |
46 |
Correct |
3 ms |
2648 KB |
Output is correct |
47 |
Correct |
1 ms |
2396 KB |
Output is correct |
48 |
Correct |
16 ms |
3688 KB |
Output is correct |
49 |
Correct |
1 ms |
2396 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 |
2396 KB |
Output is correct |
53 |
Correct |
1 ms |
2512 KB |
Output is correct |
54 |
Correct |
1 ms |
2396 KB |
Output is correct |
55 |
Correct |
45 ms |
5336 KB |
Output is correct |
56 |
Correct |
28 ms |
3932 KB |
Output is correct |
57 |
Correct |
21 ms |
3928 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 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 |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
49 ms |
2668 KB |
Output is correct |
10 |
Correct |
28 ms |
2656 KB |
Output is correct |
11 |
Correct |
20 ms |
2648 KB |
Output is correct |
12 |
Correct |
17 ms |
2652 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
0 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
2 ms |
2524 KB |
Output is correct |
20 |
Correct |
1 ms |
2512 KB |
Output is correct |
21 |
Correct |
25 ms |
3924 KB |
Output is correct |
22 |
Correct |
80 ms |
9172 KB |
Output is correct |
23 |
Correct |
82 ms |
8544 KB |
Output is correct |
24 |
Correct |
27 ms |
3416 KB |
Output is correct |
25 |
Correct |
62 ms |
5312 KB |
Output is correct |
26 |
Correct |
11 ms |
3164 KB |
Output is correct |
27 |
Correct |
84 ms |
8384 KB |
Output is correct |
28 |
Correct |
85 ms |
8528 KB |
Output is correct |
29 |
Correct |
87 ms |
8528 KB |
Output is correct |
30 |
Correct |
109 ms |
8380 KB |
Output is correct |
31 |
Correct |
181 ms |
8400 KB |
Output is correct |
32 |
Correct |
96 ms |
3956 KB |
Output is correct |
33 |
Correct |
220 ms |
9036 KB |
Output is correct |
34 |
Correct |
88 ms |
3932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 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 |
2508 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2392 KB |
Output is correct |
10 |
Correct |
2 ms |
2396 KB |
Output is correct |
11 |
Correct |
85 ms |
2776 KB |
Output is correct |
12 |
Correct |
91 ms |
2760 KB |
Output is correct |
13 |
Correct |
66 ms |
2648 KB |
Output is correct |
14 |
Correct |
55 ms |
2784 KB |
Output is correct |
15 |
Correct |
1 ms |
2392 KB |
Output is correct |
16 |
Correct |
1 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 |
2392 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
49 ms |
2668 KB |
Output is correct |
24 |
Correct |
28 ms |
2656 KB |
Output is correct |
25 |
Correct |
20 ms |
2648 KB |
Output is correct |
26 |
Correct |
17 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2396 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
0 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
2 ms |
2524 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
1 ms |
2392 KB |
Output is correct |
39 |
Correct |
1 ms |
2396 KB |
Output is correct |
40 |
Correct |
1 ms |
2396 KB |
Output is correct |
41 |
Correct |
2 ms |
2396 KB |
Output is correct |
42 |
Correct |
3 ms |
2648 KB |
Output is correct |
43 |
Correct |
1 ms |
2396 KB |
Output is correct |
44 |
Correct |
16 ms |
3688 KB |
Output is correct |
45 |
Correct |
1 ms |
2396 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 |
2396 KB |
Output is correct |
49 |
Correct |
1 ms |
2512 KB |
Output is correct |
50 |
Correct |
1 ms |
2396 KB |
Output is correct |
51 |
Correct |
45 ms |
5336 KB |
Output is correct |
52 |
Correct |
28 ms |
3932 KB |
Output is correct |
53 |
Correct |
21 ms |
3928 KB |
Output is correct |
54 |
Correct |
27 ms |
3416 KB |
Output is correct |
55 |
Correct |
62 ms |
5312 KB |
Output is correct |
56 |
Correct |
11 ms |
3164 KB |
Output is correct |
57 |
Correct |
84 ms |
8384 KB |
Output is correct |
58 |
Correct |
85 ms |
8528 KB |
Output is correct |
59 |
Correct |
87 ms |
8528 KB |
Output is correct |
60 |
Correct |
109 ms |
8380 KB |
Output is correct |
61 |
Correct |
181 ms |
8400 KB |
Output is correct |
62 |
Correct |
96 ms |
3956 KB |
Output is correct |
63 |
Correct |
220 ms |
9036 KB |
Output is correct |
64 |
Correct |
88 ms |
3932 KB |
Output is correct |
65 |
Correct |
1 ms |
2512 KB |
Output is correct |
66 |
Correct |
25 ms |
3924 KB |
Output is correct |
67 |
Correct |
80 ms |
9172 KB |
Output is correct |
68 |
Correct |
82 ms |
8544 KB |
Output is correct |
69 |
Correct |
19 ms |
3160 KB |
Output is correct |
70 |
Correct |
6 ms |
2652 KB |
Output is correct |
71 |
Correct |
1 ms |
2396 KB |
Output is correct |
72 |
Correct |
30 ms |
3404 KB |
Output is correct |
73 |
Correct |
6 ms |
2652 KB |
Output is correct |
74 |
Correct |
1 ms |
2540 KB |
Output is correct |
75 |
Correct |
95 ms |
8532 KB |
Output is correct |
76 |
Correct |
102 ms |
8736 KB |
Output is correct |
77 |
Correct |
107 ms |
8588 KB |
Output is correct |
78 |
Correct |
137 ms |
8528 KB |
Output is correct |
79 |
Correct |
189 ms |
8392 KB |
Output is correct |
80 |
Correct |
208 ms |
8596 KB |
Output is correct |
81 |
Correct |
200 ms |
6480 KB |
Output is correct |
82 |
Correct |
198 ms |
6484 KB |
Output is correct |