oj.uz

Submission #938011

# Submission time Handle Problem Language Result Execution time Memory
938011 2024-03-04T17:36:34 Z Litusiano Self Study (JOI22_ho_t2) C++17
0 / 100
 0 ms 348 KB 
#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 && tot < n*m; 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] = mid-m * z,tot += (need[i] + v[i].second - 1)/v[i].second; // quan em falta per aprobar
		else tot+=k; // classes que mhan sobrat
	}
	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;
      |      ^~~~

Subtask #1
0 / 10.0

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

Subtask #2
0 / 25.0

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

Subtask #3
0 / 27.0

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

Subtask #4
0 / 29.0

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

Subtask #5
0 / 9.0

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