#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
vector<pair<int,int>> v;
int n,m;
bool check(int mid){
vector<int> need(n,0);
int left = 0; int tot = 0;
for(int i = 0; i<n; i++){
int z = max(v[i].first, v[i].second); // a la clase i, estudio o hi vaig
int k = (mid+z-1)/z; // numero de veces que tengo que estudiar o ir
if(k >= m) tot+=m, need[i] = max(0ll,mid-(m * z)); // quan em falta per aprobar
else tot+=k; // classes que mhan sobrat
}
for(int i = 0; i<n; i++){
if(need[i] <= 0) continue;
tot += max(0ll,(need[i] + v[i].second - 1)/v[i].second);
}
return tot<=n*m;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cin>>n>>m;
v.assign(n,{0,0});
for(auto& x : v) cin>>x.first; //a
for(auto& x : v) cin>>x.second; //b
int l = 0; int r = 1e18+6;
while(r > l+1){
int mid = (l+r)/2;
if(check(mid)) l = mid;
else r = mid;
}
cout<<l<<endl;
}
Compilation message
Main.cpp: In function 'bool check(long long int)':
Main.cpp:10:6: warning: unused variable 'left' [-Wunused-variable]
10 | int left = 0; int tot = 0;
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
3 ms |
348 KB |
Output is correct |
| 11 |
Correct |
212 ms |
7452 KB |
Output is correct |
| 12 |
Correct |
218 ms |
7516 KB |
Output is correct |
| 13 |
Correct |
219 ms |
7464 KB |
Output is correct |
| 14 |
Incorrect |
438 ms |
7484 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
600 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 |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
113 ms |
3928 KB |
Output is correct |
| 10 |
Correct |
77 ms |
2648 KB |
Output is correct |
| 11 |
Correct |
55 ms |
2140 KB |
Output is correct |
| 12 |
Correct |
45 ms |
1668 KB |
Output is correct |
| 13 |
Correct |
1 ms |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Incorrect |
8 ms |
568 KB |
Output isn't correct |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
3 ms |
348 KB |
Output is correct |
| 11 |
Correct |
212 ms |
7452 KB |
Output is correct |
| 12 |
Correct |
218 ms |
7516 KB |
Output is correct |
| 13 |
Correct |
219 ms |
7464 KB |
Output is correct |
| 14 |
Incorrect |
438 ms |
7484 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
600 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 |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
113 ms |
3928 KB |
Output is correct |
| 10 |
Correct |
77 ms |
2648 KB |
Output is correct |
| 11 |
Correct |
55 ms |
2140 KB |
Output is correct |
| 12 |
Correct |
45 ms |
1668 KB |
Output is correct |
| 13 |
Correct |
1 ms |
344 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Incorrect |
8 ms |
568 KB |
Output isn't correct |
| 19 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
3 ms |
348 KB |
Output is correct |
| 11 |
Correct |
212 ms |
7452 KB |
Output is correct |
| 12 |
Correct |
218 ms |
7516 KB |
Output is correct |
| 13 |
Correct |
219 ms |
7464 KB |
Output is correct |
| 14 |
Incorrect |
438 ms |
7484 KB |
Output isn't correct |
| 15 |
Halted |
0 ms |
0 KB |
- |
