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Submission #719567

# Submission time Handle Problem Language Result Execution time Memory
719567 2023-04-06T09:53:05 Z mseebacher Rice Hub (IOI11_ricehub) C++17
68 / 100
 1000 ms 1492 KB 
#include <bits/stdc++.h> 

using namespace std;

int besthub(int R, int L, int x[], long long B)
{
	vector<long long> pref(R+1,0);
	for(int i = 0;i<R;i++){
		pref[i+1] = pref[i]+x[i];
	}
	int ans = 0;
	int l = 0;
	int r = R-1;
	int len;
	for(int i = 0;i<R;i++){
		len = (l+r) >> 1;
		bool b = 0;
		for(int h = 0;h<R-len;h++){
			int j = h+len;
			int mid = (i+j) >> 1;
			long long cost = (long long)(mid-i)*x[mid]*1LL-(pref[mid]-pref[i]) ; // Seg unten
			cost += (long long)(pref[j+1]-pref[mid+1])-(j-mid)*x[mid]*1LL; // seg oben
				
			if(cost <= B) {
				ans = max(ans,j-i+1);
				b = 1;
			}
		}
		if(b) l = len+1;
		else r = len-1;
	}
  return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 304 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 3 ms 212 KB Output is correct
8 Correct 3 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 2 ms 212 KB Output is correct
12 Correct 2 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 61 ms 340 KB Output is correct
22 Correct 56 ms 344 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 43 ms 360 KB Output is correct
28 Correct 41 ms 340 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 936 ms 468 KB Output is correct
2 Correct 929 ms 468 KB Output is correct
3 Correct 11 ms 1492 KB Output is correct
4 Execution timed out 1083 ms 1492 KB Time limit exceeded
5 Halted 0 ms 0 KB -