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Submission #38888

# Submission time Handle Problem Language Result Execution time Memory
38888 2018-01-07T14:52:15 Z faustaadp Rice Hub (IOI11_ricehub) C++14
100 / 100
 23 ms 6712 KB 
#include "ricehub.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n,i,p[101010],b,l,r,c,hs;
bool rct(ll aa,ll bb)
{
	ll hh=0,ce=(aa+bb)/2;
	hh=(p[ce]-p[ce-1])*((ce-1)-aa+1)-(p[ce-1]-p[aa-1])+
	   (p[bb]-p[ce])-(p[ce]-p[ce-1])*(bb-(ce+1)+1);
	//cout<<hh<<" "<<aa<<" "<<bb<<"\n";
	return hh<=b;
}
bool rmt(ll aa)
{
	ll ii;
	for(ii=1;ii+aa-1<=n;ii++)
	{
		if(rct(ii,ii+aa-1))
			return 1;
	}
	return 0;
}
int besthub(int R, int L, int X[], long long B)
{
	n=R;
	for(i=1;i<=n;i++)
	{
		p[i]=p[i-1];
		p[i]+=X[i-1];
	}
	b=B;
	l=0;
	r=R;
	while(l<=r)
	{
		c=(l+r)/2;
		if(rmt(c))
		{
			hs=c;
			l=c+1;
		}
		else
			r=c-1;
	}
  return hs;
}

/*
//#include "ricehub.h"
#include <stdio.h>
#include <stdlib.h>

#define MAX_R  1000000

static int R, L;
static long long B;
static int X[MAX_R];
static int solution;

inline 
void my_assert(int e) {if (!e) abort();}

static void read_input()
{
  int i;
  my_assert(3==scanf("%d %d %lld",&R,&L,&B));
  for(i=0; i<R; i++)
    my_assert(1==scanf("%d",&X[i]));
  my_assert(1==scanf("%d",&solution));
}

int main()
{
  int ans;
  read_input();
  ans = besthub(R,L,X,B);
  if(ans==solution)
    printf("Correct.\n");
  else
    printf("Incorrect.  Returned %d instead of %d.\n",ans,solution);

  return 0;
}
*/

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6712 KB Output is correct
2 Correct 0 ms 6712 KB Output is correct
3 Correct 0 ms 6712 KB Output is correct
4 Correct 0 ms 6712 KB Output is correct
5 Correct 0 ms 6712 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6712 KB Output is correct
2 Correct 0 ms 6712 KB Output is correct
3 Correct 0 ms 6712 KB Output is correct
4 Correct 0 ms 6712 KB Output is correct
5 Correct 0 ms 6712 KB Output is correct
6 Correct 0 ms 6712 KB Output is correct
7 Correct 0 ms 6712 KB Output is correct
8 Correct 0 ms 6712 KB Output is correct
9 Correct 0 ms 6712 KB Output is correct
10 Correct 0 ms 6712 KB Output is correct
11 Correct 0 ms 6712 KB Output is correct
12 Correct 0 ms 6712 KB Output is correct
13 Correct 0 ms 6712 KB Output is correct
14 Correct 0 ms 6712 KB Output is correct
15 Correct 0 ms 6712 KB Output is correct
16 Correct 0 ms 6712 KB Output is correct
17 Correct 0 ms 6712 KB Output is correct
18 Correct 0 ms 6712 KB Output is correct
19 Correct 0 ms 6712 KB Output is correct
20 Correct 0 ms 6712 KB Output is correct
21 Correct 0 ms 6712 KB Output is correct
22 Correct 0 ms 6712 KB Output is correct
23 Correct 0 ms 6712 KB Output is correct
24 Correct 0 ms 6712 KB Output is correct
25 Correct 0 ms 6712 KB Output is correct
26 Correct 0 ms 6712 KB Output is correct
27 Correct 0 ms 6712 KB Output is correct
28 Correct 0 ms 6712 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6712 KB Output is correct
2 Correct 0 ms 6712 KB Output is correct
3 Correct 0 ms 6712 KB Output is correct
4 Correct 0 ms 6712 KB Output is correct
5 Correct 0 ms 6712 KB Output is correct
6 Correct 0 ms 6712 KB Output is correct
7 Correct 0 ms 6712 KB Output is correct
8 Correct 0 ms 6712 KB Output is correct
9 Correct 0 ms 6712 KB Output is correct
10 Correct 0 ms 6712 KB Output is correct
11 Correct 0 ms 6712 KB Output is correct
12 Correct 0 ms 6712 KB Output is correct
13 Correct 0 ms 6712 KB Output is correct
14 Correct 0 ms 6712 KB Output is correct
15 Correct 0 ms 6712 KB Output is correct
16 Correct 0 ms 6712 KB Output is correct
17 Correct 0 ms 6712 KB Output is correct
18 Correct 0 ms 6712 KB Output is correct
19 Correct 0 ms 6712 KB Output is correct
20 Correct 0 ms 6712 KB Output is correct
21 Correct 0 ms 6712 KB Output is correct
22 Correct 0 ms 6712 KB Output is correct
23 Correct 0 ms 6712 KB Output is correct
24 Correct 0 ms 6712 KB Output is correct
25 Correct 0 ms 6712 KB Output is correct
26 Correct 0 ms 6712 KB Output is correct
27 Correct 0 ms 6712 KB Output is correct
28 Correct 0 ms 6712 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6712 KB Output is correct
2 Correct 0 ms 6712 KB Output is correct
3 Correct 16 ms 6712 KB Output is correct
4 Correct 16 ms 6712 KB Output is correct
5 Correct 9 ms 6712 KB Output is correct
6 Correct 13 ms 6712 KB Output is correct
7 Correct 19 ms 6712 KB Output is correct
8 Correct 16 ms 6712 KB Output is correct
9 Correct 9 ms 6712 KB Output is correct
10 Correct 13 ms 6712 KB Output is correct
11 Correct 23 ms 6712 KB Output is correct
12 Correct 19 ms 6712 KB Output is correct
13 Correct 9 ms 6712 KB Output is correct
14 Correct 3 ms 6712 KB Output is correct
15 Correct 13 ms 6712 KB Output is correct
16 Correct 16 ms 6712 KB Output is correct
17 Correct 16 ms 6712 KB Output is correct
18 Correct 13 ms 6712 KB Output is correct
19 Correct 19 ms 6712 KB Output is correct
20 Correct 23 ms 6712 KB Output is correct