oj.uz

Submission #922981

# Submission time Handle Problem Language Result Execution time Memory
922981 2024-02-06T11:43:23 Z ting39 Self Study (JOI22_ho_t2) C++17
0 / 100
 0 ms 348 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,m;
vector<int> a,b;
int dv(int x,int y){
	if(y*(x/y)==x) return x/y;
	else return x/y+1;
}
bool check(int x){
	int emp=0,ext=0;
	for(int i=0;i<n;i++){
		emp+=max(m-dv(x,a[i]),0LL);
		ext+=max(dv(x-m*a[i],b[i]),0LL);
	}
	return emp>=ext;
}
signed main(){
	cin>>n>>m;
	a.resize(n);
	b.resize(n);
	for(int &i:a) cin>>i;
	for(int i=0;i<n;i++){
		cin>>b[i];
		a[i]=max(a[i],b[i]);
	}
	int l=0,r=1e18,mid;
	while(r-l>1){
		mid=(l+r)/2;
		if(check(mid)) l=mid;
		else r=mid;
	}
	cout<<l<<endl;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -