#include <bits/stdc++.h>
using namespace std;
#define sz(v) int(v.size())
#define ar array
typedef long long ll;
const int MAXN = 2e5+10, MOD = 1e9+7;
const ll INF = (long long)1e18+10;
void solve() {
// a[i] := max(a[i], b[i])
// binary search, take the minimum number of a's such that I'm satisfied
int n; ll m; cin >> n >> m;
vector<ll> a(n), b(n);
for (auto& x : a) cin >> x;
for (auto& x : b) cin >> x;
for (int i = 0; i < n; i++) a[i] = max(a[i], b[i]);
auto v = [&](ll x) -> bool {
__int128 has = 0;
for (int i = 0; i < n; i++) {
ll need = (x + a[i] - 1) / a[i];
if (need <= m) has += m - need;
else has -= (x - a[i] * m + b[i] - 1) / b[i];
}
return has >= 0;
};
ll lo = 0, hi = INF, mid = (lo + hi) / 2;
while (lo < mid && mid < hi) {
if (v(mid)) lo = mid;
else hi = mid;
mid = (lo + hi) / 2;
}
cout << lo << '\n';
}
int main() {
ios::sync_with_stdio(false); cin.tie(0);
int T=1;
// cin >> T;
while (T--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
4 ms |
332 KB |
Output is correct |
11 |
Correct |
236 ms |
4996 KB |
Output is correct |
12 |
Correct |
224 ms |
4940 KB |
Output is correct |
13 |
Correct |
233 ms |
4940 KB |
Output is correct |
14 |
Correct |
281 ms |
5008 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
362 ms |
5324 KB |
Output is correct |
17 |
Correct |
255 ms |
5772 KB |
Output is correct |
18 |
Correct |
236 ms |
6212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
362 ms |
5324 KB |
Output is correct |
3 |
Correct |
255 ms |
5772 KB |
Output is correct |
4 |
Correct |
236 ms |
6212 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
115 ms |
2652 KB |
Output is correct |
14 |
Correct |
76 ms |
1884 KB |
Output is correct |
15 |
Correct |
58 ms |
1484 KB |
Output is correct |
16 |
Correct |
46 ms |
1228 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
6 ms |
332 KB |
Output is correct |
23 |
Correct |
5 ms |
404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
4 ms |
332 KB |
Output is correct |
11 |
Correct |
236 ms |
4996 KB |
Output is correct |
12 |
Correct |
224 ms |
4940 KB |
Output is correct |
13 |
Correct |
233 ms |
4940 KB |
Output is correct |
14 |
Correct |
281 ms |
5008 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
115 ms |
2652 KB |
Output is correct |
24 |
Correct |
76 ms |
1884 KB |
Output is correct |
25 |
Correct |
58 ms |
1484 KB |
Output is correct |
26 |
Correct |
46 ms |
1228 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
208 KB |
Output is correct |
32 |
Correct |
6 ms |
332 KB |
Output is correct |
33 |
Correct |
5 ms |
404 KB |
Output is correct |
34 |
Correct |
0 ms |
204 KB |
Output is correct |
35 |
Correct |
362 ms |
5324 KB |
Output is correct |
36 |
Correct |
255 ms |
5772 KB |
Output is correct |
37 |
Correct |
236 ms |
6212 KB |
Output is correct |
38 |
Correct |
0 ms |
208 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
0 ms |
204 KB |
Output is correct |
45 |
Correct |
5 ms |
412 KB |
Output is correct |
46 |
Correct |
8 ms |
556 KB |
Output is correct |
47 |
Correct |
1 ms |
204 KB |
Output is correct |
48 |
Correct |
41 ms |
1700 KB |
Output is correct |
49 |
Correct |
0 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
4 ms |
400 KB |
Output is correct |
52 |
Correct |
0 ms |
204 KB |
Output is correct |
53 |
Correct |
0 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
204 KB |
Output is correct |
55 |
Correct |
117 ms |
4328 KB |
Output is correct |
56 |
Correct |
81 ms |
2372 KB |
Output is correct |
57 |
Correct |
102 ms |
2444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
115 ms |
2652 KB |
Output is correct |
10 |
Correct |
76 ms |
1884 KB |
Output is correct |
11 |
Correct |
58 ms |
1484 KB |
Output is correct |
12 |
Correct |
46 ms |
1228 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
6 ms |
332 KB |
Output is correct |
19 |
Correct |
5 ms |
404 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
362 ms |
5324 KB |
Output is correct |
22 |
Correct |
255 ms |
5772 KB |
Output is correct |
23 |
Correct |
236 ms |
6212 KB |
Output is correct |
24 |
Correct |
39 ms |
1312 KB |
Output is correct |
25 |
Correct |
112 ms |
3192 KB |
Output is correct |
26 |
Correct |
25 ms |
884 KB |
Output is correct |
27 |
Correct |
230 ms |
6752 KB |
Output is correct |
28 |
Correct |
246 ms |
6736 KB |
Output is correct |
29 |
Correct |
235 ms |
6732 KB |
Output is correct |
30 |
Correct |
245 ms |
6844 KB |
Output is correct |
31 |
Correct |
233 ms |
8152 KB |
Output is correct |
32 |
Correct |
342 ms |
5604 KB |
Output is correct |
33 |
Correct |
244 ms |
6644 KB |
Output is correct |
34 |
Correct |
367 ms |
5060 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
4 ms |
332 KB |
Output is correct |
11 |
Correct |
236 ms |
4996 KB |
Output is correct |
12 |
Correct |
224 ms |
4940 KB |
Output is correct |
13 |
Correct |
233 ms |
4940 KB |
Output is correct |
14 |
Correct |
281 ms |
5008 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
115 ms |
2652 KB |
Output is correct |
24 |
Correct |
76 ms |
1884 KB |
Output is correct |
25 |
Correct |
58 ms |
1484 KB |
Output is correct |
26 |
Correct |
46 ms |
1228 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
1 ms |
208 KB |
Output is correct |
32 |
Correct |
6 ms |
332 KB |
Output is correct |
33 |
Correct |
5 ms |
404 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
0 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
5 ms |
412 KB |
Output is correct |
42 |
Correct |
8 ms |
556 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
41 ms |
1700 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
4 ms |
400 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
0 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
117 ms |
4328 KB |
Output is correct |
52 |
Correct |
81 ms |
2372 KB |
Output is correct |
53 |
Correct |
102 ms |
2444 KB |
Output is correct |
54 |
Correct |
39 ms |
1312 KB |
Output is correct |
55 |
Correct |
112 ms |
3192 KB |
Output is correct |
56 |
Correct |
25 ms |
884 KB |
Output is correct |
57 |
Correct |
230 ms |
6752 KB |
Output is correct |
58 |
Correct |
246 ms |
6736 KB |
Output is correct |
59 |
Correct |
235 ms |
6732 KB |
Output is correct |
60 |
Correct |
245 ms |
6844 KB |
Output is correct |
61 |
Correct |
233 ms |
8152 KB |
Output is correct |
62 |
Correct |
342 ms |
5604 KB |
Output is correct |
63 |
Correct |
244 ms |
6644 KB |
Output is correct |
64 |
Correct |
367 ms |
5060 KB |
Output is correct |
65 |
Correct |
0 ms |
204 KB |
Output is correct |
66 |
Correct |
362 ms |
5324 KB |
Output is correct |
67 |
Correct |
255 ms |
5772 KB |
Output is correct |
68 |
Correct |
236 ms |
6212 KB |
Output is correct |
69 |
Correct |
28 ms |
972 KB |
Output is correct |
70 |
Correct |
7 ms |
436 KB |
Output is correct |
71 |
Correct |
0 ms |
204 KB |
Output is correct |
72 |
Correct |
39 ms |
1140 KB |
Output is correct |
73 |
Correct |
9 ms |
596 KB |
Output is correct |
74 |
Correct |
1 ms |
332 KB |
Output is correct |
75 |
Correct |
232 ms |
7020 KB |
Output is correct |
76 |
Correct |
233 ms |
6836 KB |
Output is correct |
77 |
Correct |
244 ms |
6244 KB |
Output is correct |
78 |
Correct |
243 ms |
5148 KB |
Output is correct |
79 |
Correct |
255 ms |
6756 KB |
Output is correct |
80 |
Correct |
246 ms |
9680 KB |
Output is correct |
81 |
Correct |
225 ms |
6620 KB |
Output is correct |
82 |
Correct |
221 ms |
6856 KB |
Output is correct |