Submission #938009

# Submission time Handle Problem Language Result Execution time Memory
938009 2024-03-04T17:35:20 Z Litusiano Self Study (JOI22_ho_t2) C++17
0 / 100
434 ms 7468 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; // quan em falta per aprobar
		else tot+=k; // classes que mhan sobrat
	}
	for(int i = 0; i<n; i++){
		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 0 ms 344 KB Output is correct
2 Correct 1 ms 600 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 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 600 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 244 ms 7460 KB Output is correct
12 Correct 244 ms 7468 KB Output is correct
13 Correct 233 ms 7468 KB Output is correct
14 Incorrect 434 ms 7460 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 126 ms 3952 KB Output is correct
10 Correct 86 ms 2648 KB Output is correct
11 Correct 63 ms 2136 KB Output is correct
12 Correct 51 ms 1664 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Incorrect 8 ms 348 KB Output isn't correct
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 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 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 600 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 244 ms 7460 KB Output is correct
12 Correct 244 ms 7468 KB Output is correct
13 Correct 233 ms 7468 KB Output is correct
14 Incorrect 434 ms 7460 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory 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 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 126 ms 3952 KB Output is correct
10 Correct 86 ms 2648 KB Output is correct
11 Correct 63 ms 2136 KB Output is correct
12 Correct 51 ms 1664 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Incorrect 8 ms 348 KB Output isn't correct
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 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 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 600 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 244 ms 7460 KB Output is correct
12 Correct 244 ms 7468 KB Output is correct
13 Correct 233 ms 7468 KB Output is correct
14 Incorrect 434 ms 7460 KB Output isn't correct
15 Halted 0 ms 0 KB -