답안 #690326

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
690326	2023-01-30T06:24:23 Z	zeroesandones	쌀 창고 (IOI11_ricehub)	C++17	100 / 100	12 ms	2528 KB

ricehub

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

using ll = long long;
using vi = vector<long long>;

#define pb emplace_back

int besthub(int R, int L, int X[], long long B)
{
  ll pref[R] = {};
  pref[0] = X[0];
  for(int i = 1; i < R; ++i) {
    pref[i] = pref[i - 1] + X[i];
  }

  auto check = [&](int mid) {
    for(int i = 0; i < R; ++i) {
      if(i + mid - 1 < R) {
        ll p = (i + mid / 2);
        ll sum = pref[p - 1] - (i == 0 ? 0 : pref[i - 1]);
        ll val = pref[i + mid - 1] - pref[p] - X[p] * (i + mid - 1 - p) + X[p] * (p - 1 - (i - 1)) - sum;
        if(val <= B)
          return true;
      }
    }

    return false;
  };

  ll l = 0, r = R + 1;
  while(l + 1 < r) {
    ll mid = (l + r) / 2;
    if(check(mid)) {
      l = mid;
    } else {
      r = mid;
    }
  }

  return l;
}

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	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

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	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 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	256 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 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	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	0 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	1 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	1 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	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	308 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	312 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	316 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	312 KB	Output is correct
16	Correct	0 ms	320 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	224 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 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	340 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	352 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	468 KB	Output is correct
2	Correct	3 ms	584 KB	Output is correct
3	Correct	11 ms	2476 KB	Output is correct
4	Correct	12 ms	2516 KB	Output is correct
5	Correct	7 ms	1236 KB	Output is correct
6	Correct	6 ms	1236 KB	Output is correct
7	Correct	10 ms	2260 KB	Output is correct
8	Correct	10 ms	2132 KB	Output is correct
9	Correct	7 ms	1184 KB	Output is correct
10	Correct	6 ms	1108 KB	Output is correct
11	Correct	12 ms	2528 KB	Output is correct
12	Correct	11 ms	2476 KB	Output is correct
13	Correct	6 ms	1236 KB	Output is correct
14	Correct	6 ms	1216 KB	Output is correct
15	Correct	8 ms	1968 KB	Output is correct
16	Correct	9 ms	1876 KB	Output is correct
17	Correct	10 ms	2172 KB	Output is correct
18	Correct	10 ms	2260 KB	Output is correct
19	Correct	10 ms	2348 KB	Output is correct
20	Correct	11 ms	2380 KB	Output is correct