답안 #378446

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
378446	2021-03-16T19:49:16 Z	rainboy	Gap (APIO16_gap)	C	100 / 100	61 ms	1260 KB

gap

#include "gap.h"

#define A	1000000000000000000

long long max(long long a, long long b) { return a > b ? a : b; }

long long findGap(int t, int n) {
	long long ans;

	if (t == 1) {
		long long l, r;
		int i;

		MinMax(0, A, &l, &r);
		ans = 0;
		for (i = 0; i < (n - 1) / 2; i++) {
			long long l_, r_;

			MinMax(l + 1, r - 1, &l_, &r_);
			ans = max(ans, max(l_ - l, r - r_));
			l = l_, r = r_;
		}
		if (n % 2 == 0)
			ans = max(ans, r - l);
	} else {
		long long lower, upper, b, a, a_, l, r;

		MinMax(0, A, &lower, &upper);
		b = (upper - lower + n - 2) / (n - 1) + 1;
		ans = b - 1, a_ = -1;
		for (a = lower; a <= upper; a += b) {
			MinMax(a, a + b - 1, &l, &r);
			if (a_ == -1)
				a_ = r;
			else if (r != -1)
				ans = max(ans, l - a_), a_ = r;
		}
	}
	return ans;
}

Subtask #1

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	11 ms	492 KB	Output is correct
17	Correct	10 ms	492 KB	Output is correct
18	Correct	11 ms	768 KB	Output is correct
19	Correct	11 ms	492 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	42 ms	1260 KB	Output is correct
22	Correct	42 ms	1132 KB	Output is correct
23	Correct	42 ms	1132 KB	Output is correct
24	Correct	42 ms	1132 KB	Output is correct
25	Correct	37 ms	1132 KB	Output is correct
26	Correct	41 ms	1140 KB	Output is correct
27	Correct	43 ms	1132 KB	Output is correct
28	Correct	42 ms	1156 KB	Output is correct
29	Correct	41 ms	1132 KB	Output is correct
30	Correct	34 ms	1132 KB	Output is correct
31	Correct	0 ms	364 KB	Output is correct
32	Correct	0 ms	364 KB	Output is correct

Subtask #2

70.0 / 70.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	268 KB	Output is correct
7	Correct	0 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	0 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	16 ms	492 KB	Output is correct
17	Correct	15 ms	492 KB	Output is correct
18	Correct	14 ms	492 KB	Output is correct
19	Correct	14 ms	492 KB	Output is correct
20	Correct	7 ms	492 KB	Output is correct
21	Correct	59 ms	1132 KB	Output is correct
22	Correct	58 ms	1132 KB	Output is correct
23	Correct	58 ms	1228 KB	Output is correct
24	Correct	61 ms	1132 KB	Output is correct
25	Correct	55 ms	1132 KB	Output is correct
26	Correct	59 ms	1132 KB	Output is correct
27	Correct	60 ms	1068 KB	Output is correct
28	Correct	58 ms	1260 KB	Output is correct
29	Correct	60 ms	1260 KB	Output is correct
30	Correct	31 ms	1132 KB	Output is correct
31	Correct	0 ms	364 KB	Output is correct
32	Correct	0 ms	364 KB	Output is correct