#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
int n, m;
cin >> n >> m;
vector <int> a(n), b(n);
int mx = 0;
for (int i = 0; i < n; i++) {
cin >> a[i];
}
for (int i = 0; i < n; i++) {
cin >> b[i];
}
auto check = [&](int p) {
int t = 0;
for (int i = 0; i < n; i++) {
if (b[i] > a[i]) {
int B = (p + b[i] -1) / b[i];
t += B;
} else {
if (a[i] * 1ll * m >= p) {
int A = (p + a[i] - 1) / a[i];
t += A;
} else {
int A = m;
int B = (p - a[i] * 1ll * A + b[i] -1) / b[i];
t += A + B;
}
}
if(t > n * 1ll * m) return false;
}
if(t <= n * 1ll * m) return true;
else return false;
};
int l = 0, r = 1e18 + 5;
while (r - l > 1) {
int mid = (l + r) >> 1;
if (check(mid)) {
l = mid;
} else {
r = mid;
}
}
if(check(r)) cout << r <<"\n";
else cout << l << "\n";
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:8:6: warning: unused variable 'mx' [-Wunused-variable]
8 | int mx = 0;
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 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 |
344 KB |
Output is correct |
| 10 |
Correct |
3 ms |
348 KB |
Output is correct |
| 11 |
Correct |
214 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
189 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
129 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
122 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
70 ms |
4952 KB |
Output is correct |
| 17 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
158 ms |
5120 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
70 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
158 ms |
5120 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 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 |
82 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
66 ms |
1988 KB |
Output is correct |
| 15 |
Correct |
40 ms |
1368 KB |
Output is correct |
| 16 |
Correct |
33 ms |
1372 KB |
Output is correct |
| 17 |
Correct |
1 ms |
344 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
3 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 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 |
344 KB |
Output is correct |
| 10 |
Correct |
3 ms |
348 KB |
Output is correct |
| 11 |
Correct |
214 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
189 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
129 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
122 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 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 |
82 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
66 ms |
1988 KB |
Output is correct |
| 25 |
Correct |
40 ms |
1368 KB |
Output is correct |
| 26 |
Correct |
33 ms |
1372 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
3 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
70 ms |
4952 KB |
Output is correct |
| 36 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 37 |
Correct |
158 ms |
5120 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 |
1 ms |
348 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 |
3 ms |
348 KB |
Output is correct |
| 46 |
Correct |
5 ms |
576 KB |
Output is correct |
| 47 |
Correct |
2 ms |
348 KB |
Output is correct |
| 48 |
Correct |
32 ms |
1256 KB |
Output is correct |
| 49 |
Correct |
0 ms |
348 KB |
Output is correct |
| 50 |
Correct |
1 ms |
348 KB |
Output is correct |
| 51 |
Correct |
3 ms |
348 KB |
Output is correct |
| 52 |
Correct |
0 ms |
348 KB |
Output is correct |
| 53 |
Correct |
0 ms |
348 KB |
Output is correct |
| 54 |
Correct |
0 ms |
348 KB |
Output is correct |
| 55 |
Correct |
93 ms |
2752 KB |
Output is correct |
| 56 |
Correct |
151 ms |
1880 KB |
Output is correct |
| 57 |
Correct |
41 ms |
1880 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 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 |
82 ms |
2652 KB |
Output is correct |
| 10 |
Correct |
66 ms |
1988 KB |
Output is correct |
| 11 |
Correct |
40 ms |
1368 KB |
Output is correct |
| 12 |
Correct |
33 ms |
1372 KB |
Output is correct |
| 13 |
Correct |
1 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
3 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
70 ms |
4952 KB |
Output is correct |
| 22 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 23 |
Correct |
158 ms |
5120 KB |
Output is correct |
| 24 |
Correct |
28 ms |
1116 KB |
Output is correct |
| 25 |
Correct |
81 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
17 ms |
856 KB |
Output is correct |
| 27 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 28 |
Correct |
168 ms |
4956 KB |
Output is correct |
| 29 |
Correct |
161 ms |
4956 KB |
Output is correct |
| 30 |
Correct |
180 ms |
4956 KB |
Output is correct |
| 31 |
Correct |
204 ms |
4952 KB |
Output is correct |
| 32 |
Correct |
82 ms |
4956 KB |
Output is correct |
| 33 |
Correct |
208 ms |
5112 KB |
Output is correct |
| 34 |
Correct |
74 ms |
4952 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 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 |
344 KB |
Output is correct |
| 10 |
Correct |
3 ms |
348 KB |
Output is correct |
| 11 |
Correct |
214 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
189 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
129 ms |
4956 KB |
Output is correct |
| 14 |
Correct |
122 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 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 |
82 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
66 ms |
1988 KB |
Output is correct |
| 25 |
Correct |
40 ms |
1368 KB |
Output is correct |
| 26 |
Correct |
33 ms |
1372 KB |
Output is correct |
| 27 |
Correct |
1 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
0 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
3 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
348 KB |
Output is correct |
| 35 |
Correct |
0 ms |
348 KB |
Output is correct |
| 36 |
Correct |
0 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
348 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 |
3 ms |
348 KB |
Output is correct |
| 42 |
Correct |
5 ms |
576 KB |
Output is correct |
| 43 |
Correct |
2 ms |
348 KB |
Output is correct |
| 44 |
Correct |
32 ms |
1256 KB |
Output is correct |
| 45 |
Correct |
0 ms |
348 KB |
Output is correct |
| 46 |
Correct |
1 ms |
348 KB |
Output is correct |
| 47 |
Correct |
3 ms |
348 KB |
Output is correct |
| 48 |
Correct |
0 ms |
348 KB |
Output is correct |
| 49 |
Correct |
0 ms |
348 KB |
Output is correct |
| 50 |
Correct |
0 ms |
348 KB |
Output is correct |
| 51 |
Correct |
93 ms |
2752 KB |
Output is correct |
| 52 |
Correct |
151 ms |
1880 KB |
Output is correct |
| 53 |
Correct |
41 ms |
1880 KB |
Output is correct |
| 54 |
Correct |
28 ms |
1116 KB |
Output is correct |
| 55 |
Correct |
81 ms |
2396 KB |
Output is correct |
| 56 |
Correct |
17 ms |
856 KB |
Output is correct |
| 57 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 58 |
Correct |
168 ms |
4956 KB |
Output is correct |
| 59 |
Correct |
161 ms |
4956 KB |
Output is correct |
| 60 |
Correct |
180 ms |
4956 KB |
Output is correct |
| 61 |
Correct |
204 ms |
4952 KB |
Output is correct |
| 62 |
Correct |
82 ms |
4956 KB |
Output is correct |
| 63 |
Correct |
208 ms |
5112 KB |
Output is correct |
| 64 |
Correct |
74 ms |
4952 KB |
Output is correct |
| 65 |
Correct |
1 ms |
344 KB |
Output is correct |
| 66 |
Correct |
70 ms |
4952 KB |
Output is correct |
| 67 |
Correct |
154 ms |
4952 KB |
Output is correct |
| 68 |
Correct |
158 ms |
5120 KB |
Output is correct |
| 69 |
Correct |
23 ms |
1112 KB |
Output is correct |
| 70 |
Correct |
5 ms |
348 KB |
Output is correct |
| 71 |
Correct |
0 ms |
348 KB |
Output is correct |
| 72 |
Correct |
32 ms |
1112 KB |
Output is correct |
| 73 |
Correct |
6 ms |
588 KB |
Output is correct |
| 74 |
Correct |
1 ms |
348 KB |
Output is correct |
| 75 |
Correct |
192 ms |
4956 KB |
Output is correct |
| 76 |
Correct |
194 ms |
4956 KB |
Output is correct |
| 77 |
Correct |
210 ms |
4956 KB |
Output is correct |
| 78 |
Correct |
215 ms |
5116 KB |
Output is correct |
| 79 |
Correct |
223 ms |
4956 KB |
Output is correct |
| 80 |
Correct |
228 ms |
5116 KB |
Output is correct |
| 81 |
Correct |
148 ms |
4952 KB |
Output is correct |
| 82 |
Correct |
145 ms |
4952 KB |
Output is correct |
