답안 #20148 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20148	2016-02-28T10:21:20 Z	kdh9949	격자 보존하기 (GA9_preserve)	C++	100 / 100	34 ms	1864 KB

preserve

#include <cstdio>
#include <algorithm>
using namespace std;

int l, n, k, a[100010], s[100010];

int main(){
    scanf("%d%d%d", &l, &n, &k);
    if(k > 2 * n) k = 2 * n;
    for(int i = 0; i < n; i++) scanf("%d", a + i);
    sort(a, a + n);
    for(int i = 1; i < n; i++) s[i] = a[i] - a[i - 1] - 1;
    sort(s + 1, s + n);
    reverse(s + 1, s + n);
    for(int i = 1; i < n; i++) s[i] += s[i - 1];
    if(k == 1) printf("%d", max(a[0] - 1, l - a[n - 1]));
    else if(k % 2) printf("%d", max(s[k / 2] + max(a[0] - 1, l - a[n - 1]), s[k / 2 - 1] + a[0] - 1 + l - a[n - 1]));
    else printf("%d", max(s[k / 2], s[k / 2 - 1] + a[0] - 1 + l - a[n - 1]));
}

Subtask #1
9.0 / 9.0

#	결과	메모리	Grader output
1	Correct	1864 KB	Output is correct
2	Correct	1864 KB	Output is correct
3	Correct	1864 KB	Output is correct
4	Correct	1864 KB	Output is correct
5	Correct	1864 KB	Output is correct
6	Correct	1864 KB	Output is correct
7	Correct	1864 KB	Output is correct
8	Correct	1864 KB	Output is correct
9	Correct	1864 KB	Output is correct
10	Correct	1864 KB	Output is correct
11	Correct	1864 KB	Output is correct
12	Correct	1864 KB	Output is correct
13	Correct	1864 KB	Output is correct
14	Correct	1864 KB	Output is correct
15	Correct	1864 KB	Output is correct
16	Correct	1864 KB	Output is correct
17	Correct	1864 KB	Output is correct
18	Correct	1864 KB	Output is correct
19	Correct	1864 KB	Output is correct
20	Correct	1864 KB	Output is correct
21	Correct	1864 KB	Output is correct
22	Correct	1864 KB	Output is correct
23	Correct	1864 KB	Output is correct
24	Correct	1864 KB	Output is correct
25	Correct	1864 KB	Output is correct
26	Correct	1864 KB	Output is correct
27	Correct	1864 KB	Output is correct
28	Correct	1864 KB	Output is correct
29	Correct	1864 KB	Output is correct
30	Correct	1864 KB	Output is correct
31	Correct	1864 KB	Output is correct
32	Correct	1864 KB	Output is correct

Subtask #2
17.0 / 17.0

#	결과	메모리	Grader output
1	Correct	1864 KB	Output is correct
2	Correct	1864 KB	Output is correct
3	Correct	1864 KB	Output is correct
4	Correct	1864 KB	Output is correct
5	Correct	1864 KB	Output is correct
6	Correct	1864 KB	Output is correct
7	Correct	1864 KB	Output is correct
8	Correct	1864 KB	Output is correct
9	Correct	1864 KB	Output is correct
10	Correct	1864 KB	Output is correct
11	Correct	1864 KB	Output is correct
12	Correct	1864 KB	Output is correct
13	Correct	1864 KB	Output is correct
14	Correct	1864 KB	Output is correct
15	Correct	1864 KB	Output is correct
16	Correct	1864 KB	Output is correct
17	Correct	1864 KB	Output is correct
18	Correct	1864 KB	Output is correct
19	Correct	1864 KB	Output is correct
20	Correct	1864 KB	Output is correct
21	Correct	1864 KB	Output is correct
22	Correct	1864 KB	Output is correct
23	Correct	1864 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	메모리	Grader output
1	Correct	1864 KB	Output is correct
2	Correct	1864 KB	Output is correct
3	Correct	1864 KB	Output is correct
4	Correct	1864 KB	Output is correct
5	Correct	1864 KB	Output is correct
6	Correct	1864 KB	Output is correct
7	Correct	1864 KB	Output is correct
8	Correct	1864 KB	Output is correct
9	Correct	1864 KB	Output is correct
10	Correct	1864 KB	Output is correct
11	Correct	1864 KB	Output is correct
12	Correct	1864 KB	Output is correct
13	Correct	1864 KB	Output is correct
14	Correct	1864 KB	Output is correct
15	Correct	1864 KB	Output is correct
16	Correct	1864 KB	Output is correct
17	Correct	1864 KB	Output is correct
18	Correct	1864 KB	Output is correct
19	Correct	1864 KB	Output is correct
20	Correct	1864 KB	Output is correct
21	Correct	1864 KB	Output is correct
22	Correct	1864 KB	Output is correct
23	Correct	1864 KB	Output is correct
24	Correct	1864 KB	Output is correct
25	Correct	1864 KB	Output is correct
26	Correct	1864 KB	Output is correct
27	Correct	1864 KB	Output is correct

Subtask #4
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	28 ms	1864 KB	Output is correct
2	Correct	34 ms	1864 KB	Output is correct
3	Correct	34 ms	1864 KB	Output is correct
4	Correct	34 ms	1864 KB	Output is correct
5	Correct	29 ms	1864 KB	Output is correct
6	Correct	34 ms	1864 KB	Output is correct
7	Correct	32 ms	1864 KB	Output is correct
8	Correct	22 ms	1864 KB	Output is correct
9	Correct	11 ms	1864 KB	Output is correct
10	Correct	9 ms	1864 KB	Output is correct
11	Correct	27 ms	1864 KB	Output is correct
12	Correct	27 ms	1864 KB	Output is correct
13	Correct	22 ms	1864 KB	Output is correct
14	Correct	26 ms	1864 KB	Output is correct
15	Correct	26 ms	1864 KB	Output is correct
16	Correct	27 ms	1864 KB	Output is correct
17	Correct	31 ms	1864 KB	Output is correct
18	Correct	16 ms	1864 KB	Output is correct
19	Correct	32 ms	1864 KB	Output is correct
20	Correct	0 ms	1864 KB	Output is correct
21	Correct	0 ms	1864 KB	Output is correct
22	Correct	22 ms	1864 KB	Output is correct
23	Correct	16 ms	1864 KB	Output is correct
24	Correct	21 ms	1864 KB	Output is correct

Subtask #5
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	28 ms	1864 KB	Output is correct
2	Correct	29 ms	1864 KB	Output is correct
3	Correct	25 ms	1864 KB	Output is correct
4	Correct	28 ms	1864 KB	Output is correct
5	Correct	29 ms	1864 KB	Output is correct
6	Correct	29 ms	1864 KB	Output is correct
7	Correct	29 ms	1864 KB	Output is correct
8	Correct	29 ms	1864 KB	Output is correct
9	Correct	17 ms	1864 KB	Output is correct
10	Correct	8 ms	1864 KB	Output is correct
11	Correct	24 ms	1864 KB	Output is correct
12	Correct	21 ms	1864 KB	Output is correct
13	Correct	23 ms	1864 KB	Output is correct
14	Correct	22 ms	1864 KB	Output is correct
15	Correct	21 ms	1864 KB	Output is correct
16	Correct	27 ms	1864 KB	Output is correct
17	Correct	32 ms	1864 KB	Output is correct
18	Correct	18 ms	1864 KB	Output is correct
19	Correct	26 ms	1864 KB	Output is correct
20	Correct	21 ms	1864 KB	Output is correct

답안 #20148

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