답안 #743191

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
743191	2023-05-17T08:43:19 Z	Joo	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	13 ms	2404 KB

ricehub

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

const int MXN = 1e5 + 10;
using ll = long long;

ll qs[MXN];

inline ll getSum(int l, int r)
{
  if (l > r)
    return 0;
  if (l <= 0)
    return qs[r];
  return qs[r] - qs[l - 1];
}

bool chk(int ws, int R, ll B)
{
  for (int i = (ws + 1) / 2; i + ws / 2 <= R; i++)
  {
    ll rightSum = getSum(i + 1, i + ws / 2);
    ll leftSum = getSum(i - ws / 2 + (ws % 2 == 0), i - 1 + (ws % 2 == 0));
    if (rightSum - leftSum <= B)
      return true;
  }
  return false;
}

int besthub(int R, int L, int X[], long long B)
{
  for (int i = 0; i < R; i++)
    qs[i + 1] = qs[i] + X[i];
  int l = 1, r = R, ans = -1;
  while (l <= r)
  {
    int mid = (l + r) >> 1;
    if (chk(mid, R, B))
    {
      ans = mid;
      l = mid + 1;
    }
    else
    {
      r = mid - 1;
    }
  }
  assert(ans != -1);
  return ans;
}

Subtask #1

17.0 / 17.0

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

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 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	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	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 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	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 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	212 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	1 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	1 ms	212 KB	Output is correct
16	Correct	1 ms	308 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	340 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	320 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	300 KB	Output is correct
27	Correct	1 ms	312 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	468 KB	Output is correct
2	Correct	3 ms	508 KB	Output is correct
3	Correct	11 ms	1364 KB	Output is correct
4	Correct	10 ms	1368 KB	Output is correct
5	Correct	6 ms	852 KB	Output is correct
6	Correct	6 ms	852 KB	Output is correct
7	Correct	10 ms	1444 KB	Output is correct
8	Correct	13 ms	1428 KB	Output is correct
9	Correct	5 ms	852 KB	Output is correct
10	Correct	5 ms	852 KB	Output is correct
11	Correct	11 ms	1364 KB	Output is correct
12	Correct	11 ms	1364 KB	Output is correct
13	Correct	9 ms	852 KB	Output is correct
14	Correct	7 ms	1200 KB	Output is correct
15	Correct	9 ms	1924 KB	Output is correct
16	Correct	8 ms	1968 KB	Output is correct
17	Correct	10 ms	2272 KB	Output is correct
18	Correct	11 ms	2212 KB	Output is correct
19	Correct	11 ms	2404 KB	Output is correct
20	Correct	11 ms	2364 KB	Output is correct