답안 #55850

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
55850	2018-07-09T05:52:12 Z	leejseo	쌀 창고 (IOI11_ricehub)	C++	100 / 100	32 ms	1792 KB

ricehub

#include "ricehub.h"
#include <algorithm>
using namespace std;

long long S[1000001];

inline long long val(int i){
	return i<0? 0 : S[i];
}

inline long long cost(int i, int j, int X[]){
	int mid = i+j >> 1;
	long long left = (long long) X[mid] * (mid - i) - (val(mid-1) - val(i-1));
	long long right = val(j) - val(mid) - (long long) X[mid] * (j - mid);
	return left + right;
}

int besthub(int R, int L, int X[], long long B){
	S[0] = X[0];
	for (int i=1; i<R; i++) S[i] = S[i-1] + X[i];
  int ans = 0;
	int i=0, j=0;
	while (i < R && j < R){
		if (cost(i, j, X) > B){
			i++;
			continue;
		}
		ans = max(ans, j-i+1);
		j++;
	}
	return ans;
}

Compilation message

ricehub.cpp: In function 'long long int cost(int, int, int*)':
ricehub.cpp:12:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid = i+j >> 1;
            ~^~

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	4 ms	488 KB	Output is correct
3	Correct	2 ms	564 KB	Output is correct
4	Correct	2 ms	564 KB	Output is correct
5	Correct	2 ms	564 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	564 KB	Output is correct
2	Correct	3 ms	564 KB	Output is correct
3	Correct	2 ms	564 KB	Output is correct
4	Correct	2 ms	600 KB	Output is correct
5	Correct	2 ms	600 KB	Output is correct
6	Correct	2 ms	600 KB	Output is correct
7	Correct	3 ms	600 KB	Output is correct
8	Correct	3 ms	600 KB	Output is correct
9	Correct	3 ms	600 KB	Output is correct
10	Correct	2 ms	624 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	10 ms	624 KB	Output is correct
13	Correct	2 ms	624 KB	Output is correct
14	Correct	2 ms	624 KB	Output is correct
15	Correct	2 ms	624 KB	Output is correct
16	Correct	2 ms	624 KB	Output is correct
17	Correct	2 ms	624 KB	Output is correct
18	Correct	2 ms	624 KB	Output is correct
19	Correct	3 ms	624 KB	Output is correct
20	Correct	2 ms	624 KB	Output is correct
21	Correct	2 ms	624 KB	Output is correct
22	Correct	2 ms	624 KB	Output is correct
23	Correct	3 ms	624 KB	Output is correct
24	Correct	3 ms	624 KB	Output is correct
25	Correct	2 ms	624 KB	Output is correct
26	Correct	2 ms	624 KB	Output is correct
27	Correct	2 ms	624 KB	Output is correct
28	Correct	3 ms	624 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	624 KB	Output is correct
2	Correct	3 ms	624 KB	Output is correct
3	Correct	3 ms	624 KB	Output is correct
4	Correct	2 ms	624 KB	Output is correct
5	Correct	2 ms	624 KB	Output is correct
6	Correct	2 ms	624 KB	Output is correct
7	Correct	2 ms	624 KB	Output is correct
8	Correct	2 ms	636 KB	Output is correct
9	Correct	2 ms	636 KB	Output is correct
10	Correct	3 ms	636 KB	Output is correct
11	Correct	2 ms	636 KB	Output is correct
12	Correct	2 ms	636 KB	Output is correct
13	Correct	2 ms	636 KB	Output is correct
14	Correct	3 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	3 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	2 ms	636 KB	Output is correct
19	Correct	3 ms	636 KB	Output is correct
20	Correct	2 ms	636 KB	Output is correct
21	Correct	3 ms	636 KB	Output is correct
22	Correct	3 ms	636 KB	Output is correct
23	Correct	3 ms	636 KB	Output is correct
24	Correct	3 ms	636 KB	Output is correct
25	Correct	3 ms	636 KB	Output is correct
26	Correct	3 ms	636 KB	Output is correct
27	Correct	3 ms	636 KB	Output is correct
28	Correct	3 ms	636 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	764 KB	Output is correct
2	Correct	5 ms	764 KB	Output is correct
3	Correct	21 ms	1692 KB	Output is correct
4	Correct	25 ms	1788 KB	Output is correct
5	Correct	13 ms	1788 KB	Output is correct
6	Correct	10 ms	1788 KB	Output is correct
7	Correct	19 ms	1792 KB	Output is correct
8	Correct	19 ms	1792 KB	Output is correct
9	Correct	12 ms	1792 KB	Output is correct
10	Correct	11 ms	1792 KB	Output is correct
11	Correct	22 ms	1792 KB	Output is correct
12	Correct	23 ms	1792 KB	Output is correct
13	Correct	10 ms	1792 KB	Output is correct
14	Correct	14 ms	1792 KB	Output is correct
15	Correct	30 ms	1792 KB	Output is correct
16	Correct	19 ms	1792 KB	Output is correct
17	Correct	19 ms	1792 KB	Output is correct
18	Correct	19 ms	1792 KB	Output is correct
19	Correct	32 ms	1792 KB	Output is correct
20	Correct	22 ms	1792 KB	Output is correct