#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e15
#define f first
#define s second
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
void Solve()
{
int n, m; cin >> n >> m;
vector <int> a(n), b(n);
for (auto &x : a) cin >> x;
for (auto &x : b) cin >> x;
int l = 0, r = INF;
while (r != l){
int mid = (l + r + 1) / 2;
int use = 0, need = 0;
for (int i = 0; i < n; i++){
if (a[i] <= b[i]) {
need += (mid + b[i] - 1) / b[i];
if (use + need > n * m) break;
continue;
}
int o = (mid + a[i] - 1) / a[i];
int o1 = 0;
if (o > m){
o = m;
int ex = mid - a[i] * o;
o1 = (ex + b[i] - 1) / b[i];
//assert(o1 >= 0);
}
int ex = a[i] * o + b[i] * o1 - mid;
assert(ex >= 0);
int sw = ex / (a[i] - b[i]);
if (sw > o) sw = o;
o -= sw;
o1 += sw;
use += o;
need += o1;
if (use + need > n * m) break;
}
if (use + need > n * m) r = mid - 1;
else l = mid;
}
cout << l << "\n";
}
int32_t main()
{
auto begin = std::chrono::high_resolution_clock::now();
ios_base::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// cin >> t;
for(int i = 1; i <= t; i++)
{
//cout << "Case #" << i << ": ";
Solve();
}
auto end = std::chrono::high_resolution_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 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 |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
101 ms |
4948 KB |
Output is correct |
12 |
Correct |
104 ms |
5012 KB |
Output is correct |
13 |
Correct |
69 ms |
5020 KB |
Output is correct |
14 |
Correct |
83 ms |
5008 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
27 ms |
6100 KB |
Output is correct |
17 |
Correct |
84 ms |
8136 KB |
Output is correct |
18 |
Correct |
84 ms |
8140 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
27 ms |
6100 KB |
Output is correct |
3 |
Correct |
84 ms |
8136 KB |
Output is correct |
4 |
Correct |
84 ms |
8140 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 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 |
1 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 |
42 ms |
2644 KB |
Output is correct |
14 |
Correct |
28 ms |
1876 KB |
Output is correct |
15 |
Correct |
21 ms |
1516 KB |
Output is correct |
16 |
Correct |
18 ms |
1280 KB |
Output is correct |
17 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 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 |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
101 ms |
4948 KB |
Output is correct |
12 |
Correct |
104 ms |
5012 KB |
Output is correct |
13 |
Correct |
69 ms |
5020 KB |
Output is correct |
14 |
Correct |
83 ms |
5008 KB |
Output is correct |
15 |
Correct |
1 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 |
0 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 |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
42 ms |
2644 KB |
Output is correct |
24 |
Correct |
28 ms |
1876 KB |
Output is correct |
25 |
Correct |
21 ms |
1516 KB |
Output is correct |
26 |
Correct |
18 ms |
1280 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
500 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
27 ms |
6100 KB |
Output is correct |
36 |
Correct |
84 ms |
8136 KB |
Output is correct |
37 |
Correct |
84 ms |
8140 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
1 ms |
212 KB |
Output is correct |
45 |
Correct |
3 ms |
468 KB |
Output is correct |
46 |
Correct |
4 ms |
572 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
22 ms |
2132 KB |
Output is correct |
49 |
Correct |
0 ms |
328 KB |
Output is correct |
50 |
Correct |
1 ms |
212 KB |
Output is correct |
51 |
Correct |
3 ms |
492 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
1 ms |
212 KB |
Output is correct |
54 |
Correct |
1 ms |
212 KB |
Output is correct |
55 |
Correct |
55 ms |
5464 KB |
Output is correct |
56 |
Correct |
26 ms |
3156 KB |
Output is correct |
57 |
Correct |
31 ms |
3172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
1 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 |
42 ms |
2644 KB |
Output is correct |
10 |
Correct |
28 ms |
1876 KB |
Output is correct |
11 |
Correct |
21 ms |
1516 KB |
Output is correct |
12 |
Correct |
18 ms |
1280 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 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 |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
2 ms |
500 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
27 ms |
6100 KB |
Output is correct |
22 |
Correct |
84 ms |
8136 KB |
Output is correct |
23 |
Correct |
84 ms |
8140 KB |
Output is correct |
24 |
Incorrect |
25 ms |
1944 KB |
Output isn't correct |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 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 |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
101 ms |
4948 KB |
Output is correct |
12 |
Correct |
104 ms |
5012 KB |
Output is correct |
13 |
Correct |
69 ms |
5020 KB |
Output is correct |
14 |
Correct |
83 ms |
5008 KB |
Output is correct |
15 |
Correct |
1 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 |
0 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 |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
42 ms |
2644 KB |
Output is correct |
24 |
Correct |
28 ms |
1876 KB |
Output is correct |
25 |
Correct |
21 ms |
1516 KB |
Output is correct |
26 |
Correct |
18 ms |
1280 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
2 ms |
500 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
3 ms |
468 KB |
Output is correct |
42 |
Correct |
4 ms |
572 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
22 ms |
2132 KB |
Output is correct |
45 |
Correct |
0 ms |
328 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
3 ms |
492 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
1 ms |
212 KB |
Output is correct |
50 |
Correct |
1 ms |
212 KB |
Output is correct |
51 |
Correct |
55 ms |
5464 KB |
Output is correct |
52 |
Correct |
26 ms |
3156 KB |
Output is correct |
53 |
Correct |
31 ms |
3172 KB |
Output is correct |
54 |
Incorrect |
25 ms |
1944 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |