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Submission #352521

# Submission time Handle Problem Language Result Execution time Memory
352521 2021-01-21T00:57:41 Z nicholask Rice Hub (IOI11_ricehub) C++14
100 / 100
 20 ms 2304 KB 
#include <bits/stdc++.h>
#include "ricehub.h"
using namespace std;
long long a[100010],ps[100010];
long long cost(long long l,long long r){
	long long mid=(l+r)>>1;
	long long ls=a[mid]*(mid-l)-ps[mid-1]+ps[l-1];
	long long rs=ps[r]-ps[mid]-a[mid]*(r-mid);
	return ls+rs;
}
int besthub(int R, int L, int X[], long long B){
	for (int i=0; i<R; i++) a[i+1]=X[i];
	for (int i=1; i<=R; i++) ps[i]=ps[i-1]+a[i];
	long long ans=0,cur=0;
	for (int i=1; i<R; i++){
		while (cur<R&&B>=cost(i,cur+1)) cur++;
		ans=max(ans,cur-i+1);
	}
	return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 368 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 748 KB Output is correct
2 Correct 3 ms 748 KB Output is correct
3 Correct 17 ms 2284 KB Output is correct
4 Correct 20 ms 2284 KB Output is correct
5 Correct 7 ms 1260 KB Output is correct
6 Correct 7 ms 1260 KB Output is correct
7 Correct 14 ms 2284 KB Output is correct
8 Correct 15 ms 2284 KB Output is correct
9 Correct 7 ms 1260 KB Output is correct
10 Correct 7 ms 1260 KB Output is correct
11 Correct 16 ms 2284 KB Output is correct
12 Correct 16 ms 2304 KB Output is correct
13 Correct 8 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 13 ms 1772 KB Output is correct
16 Correct 12 ms 1772 KB Output is correct
17 Correct 15 ms 2156 KB Output is correct
18 Correct 15 ms 2156 KB Output is correct
19 Correct 16 ms 2156 KB Output is correct
20 Correct 16 ms 2156 KB Output is correct