#include<bits/stdc++.h>
using namespace std;
long long n,m;
long long a[300005], b[300005];
long long l, r, mid;
bool check(long long x) {
long long extra = 0, need = 0;
for(int i=1; i<=n; i++) {
if(a[i] > b[i]){ // study in class
long long needed = (x + a[i] - 1) / a[i];
if(needed > m) {
need += (x - a[i] * m + b[i] - 1) / b[i];
if(need > 1e18) return false;
} else {
extra += m - needed;
}
} else { // study at any time
extra += m;
need += (x + b[i] - 1) / b[i];
if(need > 1e18) return false;
}
}
if(extra>=need) return true;
else return false;
}
int main() {
cin >> n >> m;
for(int i=1; i<=n; i++) cin >> a[i];
for(int i=1; i<=n; i++) cin >> b[i];
l = 0; r = 1e18;
while(l<r) {
mid = (l+r+1)/2;
if(check(mid)) l = mid;
else r = mid - 1;
}
cout << l << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 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 |
6 ms |
332 KB |
Output is correct |
11 |
Correct |
360 ms |
4936 KB |
Output is correct |
12 |
Correct |
358 ms |
4984 KB |
Output is correct |
13 |
Correct |
266 ms |
4972 KB |
Output is correct |
14 |
Correct |
294 ms |
4972 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
181 ms |
5036 KB |
Output is correct |
17 |
Correct |
332 ms |
5008 KB |
Output is correct |
18 |
Correct |
320 ms |
4868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
181 ms |
5036 KB |
Output is correct |
3 |
Correct |
332 ms |
5008 KB |
Output is correct |
4 |
Correct |
320 ms |
4868 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
159 ms |
2688 KB |
Output is correct |
14 |
Correct |
106 ms |
1732 KB |
Output is correct |
15 |
Correct |
80 ms |
1456 KB |
Output is correct |
16 |
Correct |
65 ms |
1236 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 |
204 KB |
Output is correct |
22 |
Correct |
5 ms |
364 KB |
Output is correct |
23 |
Correct |
7 ms |
372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 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 |
6 ms |
332 KB |
Output is correct |
11 |
Correct |
360 ms |
4936 KB |
Output is correct |
12 |
Correct |
358 ms |
4984 KB |
Output is correct |
13 |
Correct |
266 ms |
4972 KB |
Output is correct |
14 |
Correct |
294 ms |
4972 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
159 ms |
2688 KB |
Output is correct |
24 |
Correct |
106 ms |
1732 KB |
Output is correct |
25 |
Correct |
80 ms |
1456 KB |
Output is correct |
26 |
Correct |
65 ms |
1236 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 |
204 KB |
Output is correct |
32 |
Correct |
5 ms |
364 KB |
Output is correct |
33 |
Correct |
7 ms |
372 KB |
Output is correct |
34 |
Correct |
0 ms |
204 KB |
Output is correct |
35 |
Correct |
181 ms |
5036 KB |
Output is correct |
36 |
Correct |
332 ms |
5008 KB |
Output is correct |
37 |
Correct |
320 ms |
4868 KB |
Output is correct |
38 |
Correct |
1 ms |
236 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
1 ms |
204 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
0 ms |
204 KB |
Output is correct |
44 |
Correct |
0 ms |
204 KB |
Output is correct |
45 |
Correct |
7 ms |
332 KB |
Output is correct |
46 |
Correct |
11 ms |
440 KB |
Output is correct |
47 |
Correct |
1 ms |
204 KB |
Output is correct |
48 |
Correct |
64 ms |
972 KB |
Output is correct |
49 |
Correct |
0 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
8 ms |
372 KB |
Output is correct |
52 |
Correct |
0 ms |
204 KB |
Output is correct |
53 |
Correct |
2 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
204 KB |
Output is correct |
55 |
Correct |
185 ms |
2584 KB |
Output is correct |
56 |
Correct |
103 ms |
1812 KB |
Output is correct |
57 |
Correct |
107 ms |
1832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
159 ms |
2688 KB |
Output is correct |
10 |
Correct |
106 ms |
1732 KB |
Output is correct |
11 |
Correct |
80 ms |
1456 KB |
Output is correct |
12 |
Correct |
65 ms |
1236 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 |
204 KB |
Output is correct |
18 |
Correct |
5 ms |
364 KB |
Output is correct |
19 |
Correct |
7 ms |
372 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
181 ms |
5036 KB |
Output is correct |
22 |
Correct |
332 ms |
5008 KB |
Output is correct |
23 |
Correct |
320 ms |
4868 KB |
Output is correct |
24 |
Correct |
56 ms |
972 KB |
Output is correct |
25 |
Correct |
167 ms |
2336 KB |
Output is correct |
26 |
Correct |
43 ms |
688 KB |
Output is correct |
27 |
Correct |
320 ms |
4968 KB |
Output is correct |
28 |
Correct |
327 ms |
4868 KB |
Output is correct |
29 |
Correct |
316 ms |
4848 KB |
Output is correct |
30 |
Correct |
354 ms |
4916 KB |
Output is correct |
31 |
Correct |
371 ms |
5028 KB |
Output is correct |
32 |
Correct |
200 ms |
5060 KB |
Output is correct |
33 |
Correct |
392 ms |
4852 KB |
Output is correct |
34 |
Correct |
201 ms |
4968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 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 |
6 ms |
332 KB |
Output is correct |
11 |
Correct |
360 ms |
4936 KB |
Output is correct |
12 |
Correct |
358 ms |
4984 KB |
Output is correct |
13 |
Correct |
266 ms |
4972 KB |
Output is correct |
14 |
Correct |
294 ms |
4972 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 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 |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
159 ms |
2688 KB |
Output is correct |
24 |
Correct |
106 ms |
1732 KB |
Output is correct |
25 |
Correct |
80 ms |
1456 KB |
Output is correct |
26 |
Correct |
65 ms |
1236 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 |
204 KB |
Output is correct |
32 |
Correct |
5 ms |
364 KB |
Output is correct |
33 |
Correct |
7 ms |
372 KB |
Output is correct |
34 |
Correct |
1 ms |
236 KB |
Output is correct |
35 |
Correct |
0 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
204 KB |
Output is correct |
38 |
Correct |
0 ms |
204 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
7 ms |
332 KB |
Output is correct |
42 |
Correct |
11 ms |
440 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
64 ms |
972 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
8 ms |
372 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
2 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
185 ms |
2584 KB |
Output is correct |
52 |
Correct |
103 ms |
1812 KB |
Output is correct |
53 |
Correct |
107 ms |
1832 KB |
Output is correct |
54 |
Correct |
56 ms |
972 KB |
Output is correct |
55 |
Correct |
167 ms |
2336 KB |
Output is correct |
56 |
Correct |
43 ms |
688 KB |
Output is correct |
57 |
Correct |
320 ms |
4968 KB |
Output is correct |
58 |
Correct |
327 ms |
4868 KB |
Output is correct |
59 |
Correct |
316 ms |
4848 KB |
Output is correct |
60 |
Correct |
354 ms |
4916 KB |
Output is correct |
61 |
Correct |
371 ms |
5028 KB |
Output is correct |
62 |
Correct |
200 ms |
5060 KB |
Output is correct |
63 |
Correct |
392 ms |
4852 KB |
Output is correct |
64 |
Correct |
201 ms |
4968 KB |
Output is correct |
65 |
Correct |
0 ms |
204 KB |
Output is correct |
66 |
Correct |
181 ms |
5036 KB |
Output is correct |
67 |
Correct |
332 ms |
5008 KB |
Output is correct |
68 |
Correct |
320 ms |
4868 KB |
Output is correct |
69 |
Correct |
41 ms |
728 KB |
Output is correct |
70 |
Correct |
11 ms |
420 KB |
Output is correct |
71 |
Correct |
0 ms |
204 KB |
Output is correct |
72 |
Correct |
58 ms |
960 KB |
Output is correct |
73 |
Correct |
14 ms |
408 KB |
Output is correct |
74 |
Correct |
1 ms |
204 KB |
Output is correct |
75 |
Correct |
399 ms |
4972 KB |
Output is correct |
76 |
Correct |
365 ms |
5000 KB |
Output is correct |
77 |
Correct |
360 ms |
4932 KB |
Output is correct |
78 |
Correct |
421 ms |
4968 KB |
Output is correct |
79 |
Correct |
385 ms |
5028 KB |
Output is correct |
80 |
Correct |
397 ms |
4968 KB |
Output is correct |
81 |
Correct |
345 ms |
4852 KB |
Output is correct |
82 |
Correct |
324 ms |
4932 KB |
Output is correct |