답안 #634651

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
634651	2022-08-24T16:24:59 Z	rockoana	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	13 ms	2516 KB

ricehub

#include <vector>

#include "ricehub.h"

using namespace std;

vector<long long> s;
long long cost(int st, int dr, int X[]) {
  int mid = (st + dr) / 2;
  // X[mid + 1] - X[mid] + X[mid + 2] - X[mid]...X[dr] - X[mid];
  // X[mid] - X[mid] + X[mid] - X[mid - 1] + ... + X[mid] - X[st]

  long long res = s[dr] - s[mid] - s[mid];
  if (st != 0) {
    res += s[st - 1];
  }

  if ((dr - st + 1) % 2 == 1) {
    res += X[mid];
  }

  return res;
}

int besthub(int R, int L, int X[], long long B) {
  s.assign(R, 0);
  for (int i = 0; i < R; i++) {
    s[i] += X[i];
    if (i != 0) {
      s[i] += s[i - 1];
    }
  }

  int st = 0;
  int res = 0;
  for (int i = 0; i < R; i++) {
    while (cost(st, i, X) > B) {
      st++;
    }

    res = max(res, i - st + 1);
  }

  return res;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	296 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	300 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	292 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	304 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	292 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	296 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	296 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	304 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	220 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	292 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	300 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	232 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	296 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	336 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	676 KB	Output is correct
2	Correct	3 ms	624 KB	Output is correct
3	Correct	13 ms	2484 KB	Output is correct
4	Correct	13 ms	2508 KB	Output is correct
5	Correct	6 ms	1180 KB	Output is correct
6	Correct	6 ms	1204 KB	Output is correct
7	Correct	11 ms	2132 KB	Output is correct
8	Correct	12 ms	2240 KB	Output is correct
9	Correct	5 ms	1064 KB	Output is correct
10	Correct	6 ms	1108 KB	Output is correct
11	Correct	13 ms	2516 KB	Output is correct
12	Correct	13 ms	2476 KB	Output is correct
13	Correct	6 ms	1236 KB	Output is correct
14	Correct	6 ms	1252 KB	Output is correct
15	Correct	10 ms	1948 KB	Output is correct
16	Correct	10 ms	1868 KB	Output is correct
17	Correct	12 ms	2156 KB	Output is correct
18	Correct	11 ms	2208 KB	Output is correct
19	Correct	12 ms	2336 KB	Output is correct
20	Correct	13 ms	2388 KB	Output is correct