#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN=3e5+5;
const long long INF=2e18+5;
int n,m;
long long a[MAXN];
long long b[MAXN];
bool ok(long long val)
{
long long s=0;
for(int i=1;i<=n;i++)
{
if(a[i]*m>=val) s+=(val+a[i]-1)/a[i];
else s+=m+(val-a[i]*m+b[i]-1)/b[i];
}
if(s>1LL*n*m) return 0;
return 1;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>m;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) cin>>b[i];
for(int i=1;i<=n;i++) a[i]=max(a[i],b[i]);
long long l=1,r=INF;
while(l<r)
{
long long mid=(l+r+1)/2;
if(ok(mid)) l=mid;
else r=mid-1;
}
cout<<l<<endl;
return 0;
}
# |
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 |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
3 ms |
2396 KB |
Output is correct |
11 |
Correct |
144 ms |
5128 KB |
Output is correct |
12 |
Correct |
144 ms |
4956 KB |
Output is correct |
13 |
Correct |
136 ms |
5080 KB |
Output is correct |
14 |
Incorrect |
278 ms |
5204 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 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 |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
73 ms |
4564 KB |
Output is correct |
10 |
Correct |
48 ms |
4724 KB |
Output is correct |
11 |
Correct |
37 ms |
4700 KB |
Output is correct |
12 |
Correct |
30 ms |
4696 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
0 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
0 ms |
2396 KB |
Output is correct |
18 |
Incorrect |
5 ms |
2392 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
3 ms |
2396 KB |
Output is correct |
11 |
Correct |
144 ms |
5128 KB |
Output is correct |
12 |
Correct |
144 ms |
4956 KB |
Output is correct |
13 |
Correct |
136 ms |
5080 KB |
Output is correct |
14 |
Incorrect |
278 ms |
5204 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 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 |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
73 ms |
4564 KB |
Output is correct |
10 |
Correct |
48 ms |
4724 KB |
Output is correct |
11 |
Correct |
37 ms |
4700 KB |
Output is correct |
12 |
Correct |
30 ms |
4696 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
0 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
0 ms |
2396 KB |
Output is correct |
18 |
Incorrect |
5 ms |
2392 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
0 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2392 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
3 ms |
2396 KB |
Output is correct |
11 |
Correct |
144 ms |
5128 KB |
Output is correct |
12 |
Correct |
144 ms |
4956 KB |
Output is correct |
13 |
Correct |
136 ms |
5080 KB |
Output is correct |
14 |
Incorrect |
278 ms |
5204 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |