#include <algorithm>
#include <iostream>
#define int long long
using namespace std;
const int MAXN = 300005;
int n, m;
int a[MAXN];
int b[MAXN];
void init() {
cin >> n >> m;
for (int i = 0; i < n; i++) cin >> a[i];
for (int i = 0; i < n; i++) cin >> b[i];
for (int i = 0; i < n; i++) a[i] = max(a[i], b[i]);
}
int div_ceil(int x, int y) {
int ans = x / y;
if (x % y > 0) ans++;
return ans;
}
bool check(int D) {
__int128 extra = 0;
// cout << "D = " << D << '\n';
for (int i = 0; i < n; i++) {
if (a[i] * m >= D) {
extra += m - div_ceil(D, a[i]);
} else { // a[i] * m < D
extra -= div_ceil(D - a[i] * m, b[i]);
}
}
return extra >= 0;
}
void solve() {
int l = 1;
int r = 1 + (int)1e18;
// check(D) : D 愈小愈容易
while (l != r) {
int mid = (l + r) / 2;
if (check(mid) == false) {
r = mid;
} else {
l = mid + 1;
}
}
int ans = r - 1;
cout << ans << '\n';
}
signed main() {
cin.tie(0);
cin.sync_with_stdio(0);
init();
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
3 ms |
2396 KB |
Output is correct |
11 |
Correct |
142 ms |
4956 KB |
Output is correct |
12 |
Correct |
148 ms |
5128 KB |
Output is correct |
13 |
Correct |
131 ms |
4956 KB |
Output is correct |
14 |
Correct |
180 ms |
5128 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
177 ms |
5208 KB |
Output is correct |
17 |
Correct |
142 ms |
4944 KB |
Output is correct |
18 |
Correct |
142 ms |
4956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
177 ms |
5208 KB |
Output is correct |
3 |
Correct |
142 ms |
4944 KB |
Output is correct |
4 |
Correct |
142 ms |
4956 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 |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2392 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 |
81 ms |
4700 KB |
Output is correct |
14 |
Correct |
48 ms |
4696 KB |
Output is correct |
15 |
Correct |
36 ms |
4700 KB |
Output is correct |
16 |
Correct |
30 ms |
4744 KB |
Output is correct |
17 |
Correct |
1 ms |
2408 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2480 KB |
Output is correct |
20 |
Correct |
0 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
5 ms |
2396 KB |
Output is correct |
23 |
Correct |
3 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
3 ms |
2396 KB |
Output is correct |
11 |
Correct |
142 ms |
4956 KB |
Output is correct |
12 |
Correct |
148 ms |
5128 KB |
Output is correct |
13 |
Correct |
131 ms |
4956 KB |
Output is correct |
14 |
Correct |
180 ms |
5128 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 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 |
81 ms |
4700 KB |
Output is correct |
24 |
Correct |
48 ms |
4696 KB |
Output is correct |
25 |
Correct |
36 ms |
4700 KB |
Output is correct |
26 |
Correct |
30 ms |
4744 KB |
Output is correct |
27 |
Correct |
1 ms |
2408 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2480 KB |
Output is correct |
30 |
Correct |
0 ms |
2396 KB |
Output is correct |
31 |
Correct |
1 ms |
2396 KB |
Output is correct |
32 |
Correct |
5 ms |
2396 KB |
Output is correct |
33 |
Correct |
3 ms |
2396 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
177 ms |
5208 KB |
Output is correct |
36 |
Correct |
142 ms |
4944 KB |
Output is correct |
37 |
Correct |
142 ms |
4956 KB |
Output is correct |
38 |
Correct |
1 ms |
2396 KB |
Output is correct |
39 |
Correct |
0 ms |
2396 KB |
Output is correct |
40 |
Correct |
1 ms |
2396 KB |
Output is correct |
41 |
Correct |
0 ms |
2396 KB |
Output is correct |
42 |
Correct |
1 ms |
2396 KB |
Output is correct |
43 |
Correct |
1 ms |
2396 KB |
Output is correct |
44 |
Correct |
1 ms |
2396 KB |
Output is correct |
45 |
Correct |
3 ms |
2396 KB |
Output is correct |
46 |
Correct |
5 ms |
2536 KB |
Output is correct |
47 |
Correct |
1 ms |
2396 KB |
Output is correct |
48 |
Correct |
28 ms |
4724 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 |
0 ms |
2396 KB |
Output is correct |
53 |
Correct |
1 ms |
2396 KB |
Output is correct |
54 |
Correct |
1 ms |
2396 KB |
Output is correct |
55 |
Correct |
71 ms |
4568 KB |
Output is correct |
56 |
Correct |
45 ms |
4728 KB |
Output is correct |
57 |
Correct |
60 ms |
4700 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2392 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 |
81 ms |
4700 KB |
Output is correct |
10 |
Correct |
48 ms |
4696 KB |
Output is correct |
11 |
Correct |
36 ms |
4700 KB |
Output is correct |
12 |
Correct |
30 ms |
4744 KB |
Output is correct |
13 |
Correct |
1 ms |
2408 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2480 KB |
Output is correct |
16 |
Correct |
0 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
5 ms |
2396 KB |
Output is correct |
19 |
Correct |
3 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
177 ms |
5208 KB |
Output is correct |
22 |
Correct |
142 ms |
4944 KB |
Output is correct |
23 |
Correct |
142 ms |
4956 KB |
Output is correct |
24 |
Correct |
29 ms |
4700 KB |
Output is correct |
25 |
Correct |
76 ms |
4696 KB |
Output is correct |
26 |
Correct |
17 ms |
4700 KB |
Output is correct |
27 |
Correct |
157 ms |
5132 KB |
Output is correct |
28 |
Correct |
141 ms |
5128 KB |
Output is correct |
29 |
Correct |
142 ms |
4948 KB |
Output is correct |
30 |
Correct |
155 ms |
4956 KB |
Output is correct |
31 |
Correct |
200 ms |
5072 KB |
Output is correct |
32 |
Correct |
188 ms |
5132 KB |
Output is correct |
33 |
Correct |
204 ms |
4956 KB |
Output is correct |
34 |
Correct |
182 ms |
5132 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
0 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
0 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
3 ms |
2396 KB |
Output is correct |
11 |
Correct |
142 ms |
4956 KB |
Output is correct |
12 |
Correct |
148 ms |
5128 KB |
Output is correct |
13 |
Correct |
131 ms |
4956 KB |
Output is correct |
14 |
Correct |
180 ms |
5128 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 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 |
81 ms |
4700 KB |
Output is correct |
24 |
Correct |
48 ms |
4696 KB |
Output is correct |
25 |
Correct |
36 ms |
4700 KB |
Output is correct |
26 |
Correct |
30 ms |
4744 KB |
Output is correct |
27 |
Correct |
1 ms |
2408 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2480 KB |
Output is correct |
30 |
Correct |
0 ms |
2396 KB |
Output is correct |
31 |
Correct |
1 ms |
2396 KB |
Output is correct |
32 |
Correct |
5 ms |
2396 KB |
Output is correct |
33 |
Correct |
3 ms |
2396 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
0 ms |
2396 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
0 ms |
2396 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 |
3 ms |
2396 KB |
Output is correct |
42 |
Correct |
5 ms |
2536 KB |
Output is correct |
43 |
Correct |
1 ms |
2396 KB |
Output is correct |
44 |
Correct |
28 ms |
4724 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 |
0 ms |
2396 KB |
Output is correct |
49 |
Correct |
1 ms |
2396 KB |
Output is correct |
50 |
Correct |
1 ms |
2396 KB |
Output is correct |
51 |
Correct |
71 ms |
4568 KB |
Output is correct |
52 |
Correct |
45 ms |
4728 KB |
Output is correct |
53 |
Correct |
60 ms |
4700 KB |
Output is correct |
54 |
Correct |
29 ms |
4700 KB |
Output is correct |
55 |
Correct |
76 ms |
4696 KB |
Output is correct |
56 |
Correct |
17 ms |
4700 KB |
Output is correct |
57 |
Correct |
157 ms |
5132 KB |
Output is correct |
58 |
Correct |
141 ms |
5128 KB |
Output is correct |
59 |
Correct |
142 ms |
4948 KB |
Output is correct |
60 |
Correct |
155 ms |
4956 KB |
Output is correct |
61 |
Correct |
200 ms |
5072 KB |
Output is correct |
62 |
Correct |
188 ms |
5132 KB |
Output is correct |
63 |
Correct |
204 ms |
4956 KB |
Output is correct |
64 |
Correct |
182 ms |
5132 KB |
Output is correct |
65 |
Correct |
1 ms |
2396 KB |
Output is correct |
66 |
Correct |
177 ms |
5208 KB |
Output is correct |
67 |
Correct |
142 ms |
4944 KB |
Output is correct |
68 |
Correct |
142 ms |
4956 KB |
Output is correct |
69 |
Correct |
21 ms |
4820 KB |
Output is correct |
70 |
Correct |
6 ms |
2576 KB |
Output is correct |
71 |
Correct |
1 ms |
2392 KB |
Output is correct |
72 |
Correct |
29 ms |
4896 KB |
Output is correct |
73 |
Correct |
8 ms |
2392 KB |
Output is correct |
74 |
Correct |
1 ms |
2392 KB |
Output is correct |
75 |
Correct |
143 ms |
5072 KB |
Output is correct |
76 |
Correct |
149 ms |
5132 KB |
Output is correct |
77 |
Correct |
150 ms |
5128 KB |
Output is correct |
78 |
Correct |
166 ms |
5132 KB |
Output is correct |
79 |
Correct |
193 ms |
4948 KB |
Output is correct |
80 |
Correct |
196 ms |
5132 KB |
Output is correct |
81 |
Correct |
194 ms |
4956 KB |
Output is correct |
82 |
Correct |
192 ms |
4944 KB |
Output is correct |