답안 #259502

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
259502	2020-08-07T23:39:24 Z	amiratou	쌀 창고 (IOI11_ricehub)	C++14	100 / 100	21 ms	2304 KB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
 
ll cum[100005],tab[100005];
ll sum(int a,int b){
	if(a>b)return 0;
	return cum[b]-(a?cum[a-1]:0);
}
 
int besthub(int R, int L, int X[], long long B)
{
	for (int i = 0; i < R; ++i)
	{
		tab[i]=X[i];
		cum[i]=X[i];
		if(i)cum[i]+=cum[i-1];
	}
	int ans=1;
	for (int i = 0; i < R; ++i)
		for (int j = i+ans; j < R; ++j)
		{
			ll idx=i+(j-i)/2;
			ll nb_a=idx-i,nb_b=j-idx;
			ll cost=nb_a*X[idx]-sum(i,idx-1)+sum(idx+1,j)-nb_b*X[idx];
			if(cost<=B)ans=max(ans,j-i+1);
			else break;
		}
	return ans;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	0 ms	384 KB	Output is correct
23	Correct	0 ms	384 KB	Output is correct
24	Correct	0 ms	384 KB	Output is correct
25	Correct	0 ms	384 KB	Output is correct
26	Correct	0 ms	384 KB	Output is correct
27	Correct	0 ms	384 KB	Output is correct
28	Correct	0 ms	384 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	0 ms	384 KB	Output is correct
13	Correct	0 ms	384 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	0 ms	384 KB	Output is correct
17	Correct	0 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	896 KB	Output is correct
2	Correct	3 ms	768 KB	Output is correct
3	Correct	18 ms	2304 KB	Output is correct
4	Correct	17 ms	2300 KB	Output is correct
5	Correct	10 ms	1280 KB	Output is correct
6	Correct	7 ms	1280 KB	Output is correct
7	Correct	15 ms	2304 KB	Output is correct
8	Correct	16 ms	2304 KB	Output is correct
9	Correct	7 ms	1280 KB	Output is correct
10	Correct	7 ms	1280 KB	Output is correct
11	Correct	19 ms	2304 KB	Output is correct
12	Correct	21 ms	2304 KB	Output is correct
13	Correct	8 ms	1280 KB	Output is correct
14	Correct	8 ms	1280 KB	Output is correct
15	Correct	14 ms	1792 KB	Output is correct
16	Correct	14 ms	1792 KB	Output is correct
17	Correct	17 ms	2048 KB	Output is correct
18	Correct	17 ms	2048 KB	Output is correct
19	Correct	18 ms	2168 KB	Output is correct
20	Correct	18 ms	2176 KB	Output is correct