//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
//#define y2 y_2
#define endl '\n'
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
mt19937 rnd(time(NULL));
const ll mod=998244353;
const int N=600010;
const int Lg=16;
ll a[N],b[N];
int n,m;
bool ok(ll D){
ll sum=0ll;
for (int i=1;i<=n;i++){
if (a[i]*m>=D){
sum+=m-(D+a[i]-1)/a[i];
} else {
sum-=(D-a[i]*m+b[i]-1)/b[i];
}
}
return (sum>=0);
}
void solve(){
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]);
ll ans=0ll;
for (ll i=60;i>=0;i--){
if (ok(ans+(1ll<<i))) ans+=(1ll<<i);
}
cout<<ans<<endl;
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int tt=1;
// cin>>tt;
while (tt--){
solve();
}
return 0;
}
/**
3
5 2 7 3 1 6 8 4
**/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
159 ms |
5020 KB |
Output is correct |
12 |
Correct |
164 ms |
5020 KB |
Output is correct |
13 |
Correct |
173 ms |
5024 KB |
Output is correct |
14 |
Incorrect |
306 ms |
5120 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
84 ms |
2672 KB |
Output is correct |
10 |
Correct |
60 ms |
1884 KB |
Output is correct |
11 |
Correct |
44 ms |
1500 KB |
Output is correct |
12 |
Correct |
33 ms |
1176 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Incorrect |
5 ms |
364 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
159 ms |
5020 KB |
Output is correct |
12 |
Correct |
164 ms |
5020 KB |
Output is correct |
13 |
Correct |
173 ms |
5024 KB |
Output is correct |
14 |
Incorrect |
306 ms |
5120 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
84 ms |
2672 KB |
Output is correct |
10 |
Correct |
60 ms |
1884 KB |
Output is correct |
11 |
Correct |
44 ms |
1500 KB |
Output is correct |
12 |
Correct |
33 ms |
1176 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Incorrect |
5 ms |
364 KB |
Output isn't correct |
19 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
3 ms |
340 KB |
Output is correct |
11 |
Correct |
159 ms |
5020 KB |
Output is correct |
12 |
Correct |
164 ms |
5020 KB |
Output is correct |
13 |
Correct |
173 ms |
5024 KB |
Output is correct |
14 |
Incorrect |
306 ms |
5120 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |