oj.uz

Submission #285070

# Submission time Handle Problem Language Result Execution time Memory
285070 2020-08-28T09:44:48 Z Bill_00 Rice Hub (IOI11_ricehub) C++14
17 / 100
 28 ms 2560 KB 
#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
int besthub(int R, int L, int a[], long long B)
{
	long long dp[100001];
	dp[0]=0;
	for(int i=1;i<R;i++){
		dp[i]=dp[i-1]+(ll)a[i]-(ll)a[0];
	}
	ll l=1,r=R;
	while(l!=r){
		ll mid=(l+r)>>1,flag=0;
		for(ll i=mid-1;i<(ll)R;i++){
			ll MID=(i*2+1-mid)>>1;
			ll left=i+1-mid;
			long long cost=dp[i]-dp[MID]-((i-MID)*((ll)a[MID]-(ll)a[0]))+(((ll)a[MID]-(ll)a[left])*(MID-left+1)-(dp[MID]-dp[left]-(MID-left)*((ll)a[left]-(ll)a[0])));
			if(cost<=B){
				flag++;
				break;
			}
		}
		if(flag==0) r=mid;
		else l=mid+1;
	}
	return max(l-1,(ll)1);
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 288 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Incorrect 2 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 640 KB Output is correct
2 Correct 4 ms 640 KB Output is correct
3 Incorrect 28 ms 2560 KB Output isn't correct
4 Halted 0 ms 0 KB -