Submission #228394

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
228394	2020-04-30T21:53:25 Z	tushar_2658	Rice Hub (IOI11_ricehub)	C++14	17 / 100	1000 ms	1920 KB

ricehub

#include "ricehub.h"
#include "bits/stdc++.h"
using namespace std;

const int maxn = 100005;
using ll = long long;

int a[maxn];
ll lim;
vector<ll> p;
int n;

bool can(int x){
	ll tot = LLONG_MAX;
	for(int i = x - 1; i < n; ++i){
		int l = i - x + 1;
		ll val;
		if(l != 0){
			val = p[i] - p[l - 1];
		}else {
			val = p[i];
		}
		val /= x;
		ll need = 0;
		for(int j = l; j <= i; ++j){
			need += llabs(a[j] - val);
		}
		tot = min(tot, need);
		need = 0;
		for(int j = l; j <= i; ++j){
			need += llabs(a[j] - (val + 1));
		}
		tot = min(tot, need);
	}
	if(tot <= lim)return 1;
	else return 0;
}

int besthub(int R, int L, int X[], long long B)
{
	n = R;
	lim = B;
	p.resize(R);
	for(int i = 0; i < R; ++i){
		a[i] = X[i];
	}
	sort(a, a + R);
	for(int i = 0; i < R; ++i){
		if(i == 0){
			p[i] = a[i];
		}else {
			p[i] = p[i - 1] + a[i];
		}
	}
  int ans = 0;
  int lo = 1, hi = R;
  while(lo <= hi){
  	int mid = (lo + hi) >> 1;
  	if(can(mid)){
  		ans = mid;
  		lo = mid + 1;
  	}else {
  		hi = mid - 1;
  	}
  }
  return ans;
}

Subtask #1

17.0 / 17.0

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

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	308 KB	Output is correct
12	Correct	4 ms	256 KB	Output is correct
13	Correct	4 ms	384 KB	Output is correct
14	Correct	4 ms	256 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	4 ms	256 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	4 ms	384 KB	Output is correct
20	Correct	4 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Incorrect	6 ms	384 KB	Output isn't correct
28	Halted	0 ms	0 KB	-

Subtask #3

0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	6 ms	384 KB	Output is correct
4	Correct	6 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	7 ms	384 KB	Output is correct
8	Correct	8 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	6 ms	384 KB	Output is correct
12	Correct	7 ms	384 KB	Output is correct
13	Correct	6 ms	384 KB	Output is correct
14	Correct	6 ms	384 KB	Output is correct
15	Correct	6 ms	384 KB	Output is correct
16	Correct	6 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	6 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	53 ms	384 KB	Output is correct
22	Correct	53 ms	384 KB	Output is correct
23	Correct	39 ms	384 KB	Output is correct
24	Correct	39 ms	384 KB	Output is correct
25	Correct	39 ms	384 KB	Output is correct
26	Correct	39 ms	384 KB	Output is correct
27	Incorrect	149 ms	384 KB	Output isn't correct
28	Halted	0 ms	0 KB	-

Subtask #4

0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	575 ms	800 KB	Output is correct
2	Correct	573 ms	764 KB	Output is correct
3	Execution timed out	1087 ms	1920 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-