oj.uz

Submission #938010

# Submission time Handle Problem Language Result Execution time Memory
938010 2024-03-04T17:36:09 Z Litusiano Self Study (JOI22_ho_t2) C++17
25 / 100
 266 ms 7512 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 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
25.0 / 25.0

# 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 1 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 1 ms 348 KB Output is correct
9 Correct 48 ms 3932 KB Output is correct
10 Correct 31 ms 2652 KB Output is correct
11 Correct 22 ms 2156 KB Output is correct
12 Correct 20 ms 1800 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 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 Correct 1 ms 348 KB Output is correct
19 Correct 3 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 41 ms 7476 KB Output is correct
22 Correct 113 ms 7468 KB Output is correct
23 Correct 119 ms 7460 KB Output is correct

Subtask #3
0 / 27.0

# 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 1 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 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 1 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 1 ms 348 KB Output is correct
9 Correct 48 ms 3932 KB Output is correct
10 Correct 31 ms 2652 KB Output is correct
11 Correct 22 ms 2156 KB Output is correct
12 Correct 20 ms 1800 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 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 Correct 1 ms 348 KB Output is correct
19 Correct 3 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 41 ms 7476 KB Output is correct
22 Correct 113 ms 7468 KB Output is correct
23 Correct 119 ms 7460 KB Output is correct
24 Correct 29 ms 1516 KB Output is correct
25 Correct 72 ms 3408 KB Output is correct
26 Correct 12 ms 1124 KB Output is correct
27 Correct 84 ms 7456 KB Output is correct
28 Correct 98 ms 7468 KB Output is correct
29 Correct 97 ms 7456 KB Output is correct
30 Correct 123 ms 7460 KB Output is correct
31 Correct 191 ms 7464 KB Output is correct
32 Correct 154 ms 7512 KB Output is correct
33 Incorrect 266 ms 7460 KB Output isn't correct
34 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 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -