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Submission #170437

# Submission time Handle Problem Language Result Execution time Memory
170437 2019-12-25T09:55:49 Z nafis_shifat Rice Hub (IOI11_ricehub) C++14
100 / 100
 29 ms 3448 KB 
#include "ricehub.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int mxn=1e5+5;
const ll inf=2e15+5;

ll ar[mxn];
int besthub(int R, int L, int X[], long long B)
{
	ll tot[mxn];
	tot[0]=0;
	for(int i=1;i<=R;i++)
	{
		ar[i]=X[i-1];
		tot[i]=tot[i-1]+ar[i];
	}

	int ans=0;

	for(int i=1;i<=R;i++)
	{


		int lo=i;
		int hi=R;


		while(lo<=hi)
		{
			int mid=lo+hi>>1;

			int k=i+mid>>1;

			

			ll ts=(ar[k]*(k-i+1))-(tot[k]-tot[i-1]);
			ts+=(tot[mid]-tot[k])-ar[k]*(mid-k);
			
			


			if(ts<=B)
			{
				ans=max(ans,mid-i+1);
				lo=mid+1;
			}
			else
			{
				hi=mid-1;
			}

		}

	}


	return ans;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:31:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    int mid=lo+hi>>1;
            ~~^~~
ricehub.cpp:33:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    int k=i+mid>>1;
          ~^~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 404 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 408 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 10 ms 504 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 3 ms 504 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 888 KB Output is correct
2 Correct 6 ms 888 KB Output is correct
3 Correct 26 ms 3320 KB Output is correct
4 Correct 26 ms 3320 KB Output is correct
5 Correct 12 ms 1656 KB Output is correct
6 Correct 12 ms 1660 KB Output is correct
7 Correct 23 ms 3064 KB Output is correct
8 Correct 23 ms 3064 KB Output is correct
9 Correct 12 ms 1656 KB Output is correct
10 Correct 12 ms 1528 KB Output is correct
11 Correct 27 ms 3320 KB Output is correct
12 Correct 29 ms 3448 KB Output is correct
13 Correct 13 ms 1784 KB Output is correct
14 Correct 13 ms 1656 KB Output is correct
15 Correct 22 ms 2552 KB Output is correct
16 Correct 22 ms 2552 KB Output is correct
17 Correct 24 ms 3064 KB Output is correct
18 Correct 25 ms 3008 KB Output is correct
19 Correct 26 ms 3196 KB Output is correct
20 Correct 26 ms 3192 KB Output is correct