#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN=3e5+5;
const long long INF=1e18+5;
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(cur>1) fl=1;
}
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)
{
long long mid=(l+r+1)/2;
if(check(mid)) l=mid;
else r=mid-1;
}
//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:25:27: warning: division by zero [-Wdiv-by-zero]
25 | if(fl && s<=n) cout<<1/0<<endl;
| ~^~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2648 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 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 |
2396 KB |
Output is correct |
| 11 |
Correct |
141 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
142 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
136 ms |
4956 KB |
Output is correct |
| 14 |
Runtime error |
42 ms |
10064 KB |
Execution killed with signal 4 |
| 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 |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2648 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 |
4700 KB |
Output is correct |
| 10 |
Correct |
48 ms |
4696 KB |
Output is correct |
| 11 |
Correct |
36 ms |
4696 KB |
Output is correct |
| 12 |
Correct |
29 ms |
4696 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 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 |
1 ms |
2392 KB |
Output is correct |
| 18 |
Runtime error |
3 ms |
4816 KB |
Execution killed with signal 4 |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2648 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 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 |
2396 KB |
Output is correct |
| 11 |
Correct |
141 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
142 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
136 ms |
4956 KB |
Output is correct |
| 14 |
Runtime error |
42 ms |
10064 KB |
Execution killed with signal 4 |
| 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 |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2648 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 |
4700 KB |
Output is correct |
| 10 |
Correct |
48 ms |
4696 KB |
Output is correct |
| 11 |
Correct |
36 ms |
4696 KB |
Output is correct |
| 12 |
Correct |
29 ms |
4696 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 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 |
1 ms |
2392 KB |
Output is correct |
| 18 |
Runtime error |
3 ms |
4816 KB |
Execution killed with signal 4 |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2648 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
0 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 |
2396 KB |
Output is correct |
| 11 |
Correct |
141 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
142 ms |
4948 KB |
Output is correct |
| 13 |
Correct |
136 ms |
4956 KB |
Output is correct |
| 14 |
Runtime error |
42 ms |
10064 KB |
Execution killed with signal 4 |
| 15 |
Halted |
0 ms |
0 KB |
- |
