답안 #20975 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20975	2017-03-26T03:52:08 Z	undecember	격자 보존하기 (GA9_preserve)	C++14	100 / 100	39 ms	2408 KB

preserve

#include <bits/stdc++.h>

using namespace std;

int n, k, d;
int mp[2], kp[100005];

int main(void)
{
	scanf("%d%d%d", &n, &k, &d);
	int ans = 0;

	int lp;
	scanf("%d", &lp);
	mp[0] = lp - 1;
	for (int i = 0; i < k - 1; i++)
	{
		scanf("%d", &kp[i]);
		kp[i] = kp[i] - lp - 1;
		lp = kp[i] + lp + 1;
	}
	mp[1] = n - lp;

	sort(mp, mp + 2);
	sort(kp, kp + (k - 1));

	int rst = 2 * k - d;
	for (int i = 0; i < 2; i++)
	{
		for (int j = 0; j < 2; j++)
		{
			int tv = n - k - i * mp[0] - j * mp[1];
			int r = rst - i - j;

			int ki;
			for (ki = 0; r >= 2 && ki < k - 1; ki++)
			{
				tv -= kp[ki];
				r -= 2;
			}
			if (r == 1)
			{
				if (k - 1 > 0) { tv -= kp[ki]; r--; }
				else continue;
			}

			if (tv > ans) ans = tv;
		}
	}

	printf("%d", ans);
}

Compilation message

preserve.cpp: In function 'int main()':
preserve.cpp:10:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &n, &k, &d);
                             ^
preserve.cpp:14:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &lp);
                  ^
preserve.cpp:18:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &kp[i]);
                      ^

Subtask #1
9.0 / 9.0

#	결과	메모리	Grader output
1	Correct	2408 KB	Output is correct
2	Correct	2408 KB	Output is correct
3	Correct	2408 KB	Output is correct
4	Correct	2408 KB	Output is correct
5	Correct	2408 KB	Output is correct
6	Correct	2408 KB	Output is correct
7	Correct	2408 KB	Output is correct
8	Correct	2408 KB	Output is correct
9	Correct	2408 KB	Output is correct
10	Correct	2408 KB	Output is correct
11	Correct	2408 KB	Output is correct
12	Correct	2408 KB	Output is correct
13	Correct	2408 KB	Output is correct
14	Correct	2408 KB	Output is correct
15	Correct	2408 KB	Output is correct
16	Correct	2408 KB	Output is correct
17	Correct	2408 KB	Output is correct
18	Correct	2408 KB	Output is correct
19	Correct	2408 KB	Output is correct
20	Correct	2408 KB	Output is correct
21	Correct	2408 KB	Output is correct
22	Correct	2408 KB	Output is correct
23	Correct	2408 KB	Output is correct
24	Correct	2408 KB	Output is correct
25	Correct	2408 KB	Output is correct
26	Correct	2408 KB	Output is correct
27	Correct	2408 KB	Output is correct
28	Correct	2408 KB	Output is correct
29	Correct	2408 KB	Output is correct
30	Correct	2408 KB	Output is correct
31	Correct	2408 KB	Output is correct
32	Correct	2408 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	메모리	Grader output
1	Correct	2408 KB	Output is correct
2	Correct	2408 KB	Output is correct
3	Correct	2408 KB	Output is correct
4	Correct	2408 KB	Output is correct
5	Correct	2408 KB	Output is correct
6	Correct	2408 KB	Output is correct
7	Correct	2408 KB	Output is correct
8	Correct	2408 KB	Output is correct
9	Correct	2408 KB	Output is correct
10	Correct	2408 KB	Output is correct
11	Correct	2408 KB	Output is correct
12	Correct	2408 KB	Output is correct
13	Correct	2408 KB	Output is correct
14	Correct	2408 KB	Output is correct
15	Correct	2408 KB	Output is correct
16	Correct	2408 KB	Output is correct
17	Correct	2408 KB	Output is correct
18	Correct	2408 KB	Output is correct
19	Correct	2408 KB	Output is correct
20	Correct	2408 KB	Output is correct
21	Correct	2408 KB	Output is correct
22	Correct	2408 KB	Output is correct
23	Correct	2408 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	메모리	Grader output
1	Correct	2408 KB	Output is correct
2	Correct	2408 KB	Output is correct
3	Correct	2408 KB	Output is correct
4	Correct	2408 KB	Output is correct
5	Correct	2408 KB	Output is correct
6	Correct	2408 KB	Output is correct
7	Correct	2408 KB	Output is correct
8	Correct	2408 KB	Output is correct
9	Correct	2408 KB	Output is correct
10	Correct	2408 KB	Output is correct
11	Correct	2408 KB	Output is correct
12	Correct	2408 KB	Output is correct
13	Correct	2408 KB	Output is correct
14	Correct	2408 KB	Output is correct
15	Correct	2408 KB	Output is correct
16	Correct	2408 KB	Output is correct
17	Correct	2408 KB	Output is correct
18	Correct	2408 KB	Output is correct
19	Correct	2408 KB	Output is correct
20	Correct	2408 KB	Output is correct
21	Correct	2408 KB	Output is correct
22	Correct	2408 KB	Output is correct
23	Correct	2408 KB	Output is correct
24	Correct	2408 KB	Output is correct
25	Correct	2408 KB	Output is correct
26	Correct	2408 KB	Output is correct
27	Correct	2408 KB	Output is correct

Subtask #4
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	39 ms	2408 KB	Output is correct
2	Correct	33 ms	2408 KB	Output is correct
3	Correct	23 ms	2408 KB	Output is correct
4	Correct	26 ms	2408 KB	Output is correct
5	Correct	26 ms	2408 KB	Output is correct
6	Correct	26 ms	2408 KB	Output is correct
7	Correct	19 ms	2408 KB	Output is correct
8	Correct	23 ms	2408 KB	Output is correct
9	Correct	13 ms	2408 KB	Output is correct
10	Correct	13 ms	2408 KB	Output is correct
11	Correct	16 ms	2408 KB	Output is correct
12	Correct	23 ms	2408 KB	Output is correct
13	Correct	23 ms	2408 KB	Output is correct
14	Correct	23 ms	2408 KB	Output is correct
15	Correct	23 ms	2408 KB	Output is correct
16	Correct	23 ms	2408 KB	Output is correct
17	Correct	19 ms	2408 KB	Output is correct
18	Correct	26 ms	2408 KB	Output is correct
19	Correct	26 ms	2408 KB	Output is correct
20	Correct	0 ms	2408 KB	Output is correct
21	Correct	0 ms	2408 KB	Output is correct
22	Correct	19 ms	2408 KB	Output is correct
23	Correct	29 ms	2408 KB	Output is correct
24	Correct	19 ms	2408 KB	Output is correct

Subtask #5
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	2408 KB	Output is correct
2	Correct	23 ms	2408 KB	Output is correct
3	Correct	29 ms	2408 KB	Output is correct
4	Correct	29 ms	2408 KB	Output is correct
5	Correct	23 ms	2408 KB	Output is correct
6	Correct	36 ms	2408 KB	Output is correct
7	Correct	26 ms	2408 KB	Output is correct
8	Correct	26 ms	2408 KB	Output is correct
9	Correct	13 ms	2408 KB	Output is correct
10	Correct	6 ms	2408 KB	Output is correct
11	Correct	19 ms	2408 KB	Output is correct
12	Correct	16 ms	2408 KB	Output is correct
13	Correct	19 ms	2408 KB	Output is correct
14	Correct	16 ms	2408 KB	Output is correct
15	Correct	16 ms	2408 KB	Output is correct
16	Correct	13 ms	2408 KB	Output is correct
17	Correct	19 ms	2408 KB	Output is correct
18	Correct	16 ms	2408 KB	Output is correct
19	Correct	23 ms	2408 KB	Output is correct
20	Correct	23 ms	2408 KB	Output is correct

답안 #20975

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 17.0 / 17.0

Subtask #3 22.0 / 22.0

Subtask #4 17.0 / 17.0

Subtask #5 35.0 / 35.0

Subtask #1
9.0 / 9.0

Subtask #2
17.0 / 17.0

Subtask #3
22.0 / 22.0

Subtask #4
17.0 / 17.0

Subtask #5
35.0 / 35.0