#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN=3e5+5;
const long long INF=1LL<<60;
int n,m;
long long a[MAXN];
long long b[MAXN];
bool check(long long val)
{
long long s=0;
bool fl=0;
for(int i=1;i<=n;i++)
{
long long cur=0;
if(a[i]*m>=val) cur+=(val+a[i]-1)/a[i];
else cur+=m+(val-a[i]*m+b[i]-1)/b[i];
s+=cur;
//if(s>1LL*n*m) return 0;
}
//if(fl && s<=n) cout<<1/0<<endl;
if(s>1LL*n*m) return 0;
return 1;
}
long long ans;
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]);
ans=INF;
for(int i=1;i<=n;i++) ans=min(ans, a[i]);
long long l=0,r=INF;
while(l<r-1)
{
long long mid=(l+r)/2;
if(check(mid)) l=mid;
else r=mid;
}
//if(ans<l) cout<<1/0<<endl;
cout<<l<<endl;
return 0;
}
Compilation message
Main.cpp: In function 'bool check(long long int)':
Main.cpp:16:10: warning: unused variable 'fl' [-Wunused-variable]
16 | bool fl=0;
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2592 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 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 |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2392 KB |
Output is correct |
| 11 |
Correct |
142 ms |
5204 KB |
Output is correct |
| 12 |
Correct |
141 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
131 ms |
5132 KB |
Output is correct |
| 14 |
Incorrect |
270 ms |
5204 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 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 |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
72 ms |
4564 KB |
Output is correct |
| 10 |
Correct |
48 ms |
4700 KB |
Output is correct |
| 11 |
Correct |
36 ms |
4564 KB |
Output is correct |
| 12 |
Correct |
30 ms |
4752 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 18 |
Incorrect |
5 ms |
2556 KB |
Output isn't correct |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2592 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 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 |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2392 KB |
Output is correct |
| 11 |
Correct |
142 ms |
5204 KB |
Output is correct |
| 12 |
Correct |
141 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
131 ms |
5132 KB |
Output is correct |
| 14 |
Incorrect |
270 ms |
5204 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 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 |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
72 ms |
4564 KB |
Output is correct |
| 10 |
Correct |
48 ms |
4700 KB |
Output is correct |
| 11 |
Correct |
36 ms |
4564 KB |
Output is correct |
| 12 |
Correct |
30 ms |
4752 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 18 |
Incorrect |
5 ms |
2556 KB |
Output isn't correct |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2592 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 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 |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
3 ms |
2392 KB |
Output is correct |
| 11 |
Correct |
142 ms |
5204 KB |
Output is correct |
| 12 |
Correct |
141 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
131 ms |
5132 KB |
Output is correct |
| 14 |
Incorrect |
270 ms |
5204 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
