#include <bits/stdc++.h>
#include <algorithm>
#include <iostream>
#include <string>
using namespace std;
#define FOR(i,n) for(int i=0;i<n;i++)
#define ROF(i,m,n) for(int i=m;i<=n;i++)
#define vi vector<int>
#define pb push_back
#define alle(a) a.begin(),a.end()
#define rall(n) rbegin(n),rend(n)
#define int long long
#define vecs vector<int>
#define ll long long
#define ss second
#define ff first
const int INF = 1e9;
const int MOD = 1e9 + 7;
void solve(){
int n , m;
cin>>n>>m;
vector <int> a(n);
for(int i = 0;i < n;i++){
cin>>a[i];
}
vector <int> b(n);
for(int i = 0;i < n;i++){
cin>>b[i];
}
auto check = [&](int m1){
int ans = 0;
int b1 = 0;
int a1 = 0;
for(int i = 0;i < n;i++){
a1 = 0;
b1 = 0;
if(a[i] <= b[i]){
b1 += (m1 + b[i] - 1) / b[i];
}
if(a[i] > b[i]){
int f = a[i] * m;
if(f >= m1){
a1 += (m1 + a[i] - 1)/ a[i];
}
else{
a1 += m;
b1 += (m1 - f + b[i] - 1)/b[i];
}
}
if(ans > n * 1ll * n){
return false;
}
ans += b1;
ans += a1;
}
if(ans <= m * n){
return true;
}
else{
return false;
}
};
int l = 1, r = 1e9 + 1;
while(1 < r - l){
int m2 = (r + l) >> 1;
if(check( m2 )){
l = m2;
}
else{
r = m2;
}
}
if(check(r)){
cout<<r;
}
else{
cout<<l;
}
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
int ti = 1;
while (ti--) {
solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
360 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
524 KB |
Output is correct |
11 |
Correct |
82 ms |
5116 KB |
Output is correct |
12 |
Correct |
81 ms |
4944 KB |
Output is correct |
13 |
Correct |
51 ms |
4956 KB |
Output is correct |
14 |
Correct |
53 ms |
4952 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
43 ms |
4956 KB |
Output is correct |
17 |
Correct |
67 ms |
4956 KB |
Output is correct |
18 |
Correct |
59 ms |
4956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
43 ms |
4956 KB |
Output is correct |
3 |
Correct |
67 ms |
4956 KB |
Output is correct |
4 |
Correct |
59 ms |
4956 KB |
Output is correct |
5 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
360 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
524 KB |
Output is correct |
11 |
Correct |
82 ms |
5116 KB |
Output is correct |
12 |
Correct |
81 ms |
4944 KB |
Output is correct |
13 |
Correct |
51 ms |
4956 KB |
Output is correct |
14 |
Correct |
53 ms |
4952 KB |
Output is correct |
15 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
360 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
524 KB |
Output is correct |
11 |
Correct |
82 ms |
5116 KB |
Output is correct |
12 |
Correct |
81 ms |
4944 KB |
Output is correct |
13 |
Correct |
51 ms |
4956 KB |
Output is correct |
14 |
Correct |
53 ms |
4952 KB |
Output is correct |
15 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
16 |
Halted |
0 ms |
0 KB |
- |