답안 #544746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
544746	2022-04-02T16:25:44 Z	rainboy	Kitchen (BOI19_kitchen)	C	100 / 100	28 ms	640 KB

kitchen

#include <stdio.h>
#include <string.h>

#define N	300
#define M	300
#define K	300
#define B	300
#define S	(M * B)

int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }

int main() {
	static int dp[S + 1];
	int n, m, k, i, s, s_;

	scanf("%d%d%d", &n, &m, &k);
	if (m < k) {
		printf("Impossible\n");
		return 0;
	}
	s_ = 0;
	for (i = 0; i < n; i++) {
		int a;

		scanf("%d", &a);
		if (a < k) {
			printf("Impossible\n");
			return 0;
		}
		s_ += a;
	}
	memset(dp, -1, sizeof dp), dp[0] = 0;
	while (m--) {
		int b;

		scanf("%d", &b);
		for (s = S; s >= b; s--)
			if (dp[s - b] != -1)
				dp[s] = max(dp[s], dp[s - b] + min(b, n));
	}
	for (s = s_; s <= S; s++)
		if (dp[s] >= n * k) {
			printf("%d\n", s - s_);
			return 0;
		}
	printf("Impossible\n");
	return 0;
}

Compilation message

kitchen.c: In function 'main':
kitchen.c:17:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf("%d%d%d", &n, &m, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
kitchen.c:26:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |   scanf("%d", &a);
      |   ^~~~~~~~~~~~~~~
kitchen.c:37:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |   scanf("%d", &b);
      |   ^~~~~~~~~~~~~~~

Subtask #1

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	548 KB	Output is correct
3	Correct	1 ms	596 KB	Output is correct
4	Correct	1 ms	600 KB	Output is correct
5	Correct	1 ms	544 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	596 KB	Output is correct

Subtask #2

22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	548 KB	Output is correct
3	Correct	1 ms	596 KB	Output is correct
4	Correct	1 ms	600 KB	Output is correct
5	Correct	1 ms	544 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	596 KB	Output is correct
9	Correct	1 ms	596 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	2 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	2 ms	548 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	548 KB	Output is correct
2	Correct	16 ms	548 KB	Output is correct
3	Correct	21 ms	596 KB	Output is correct
4	Correct	27 ms	596 KB	Output is correct
5	Correct	25 ms	636 KB	Output is correct
6	Correct	28 ms	628 KB	Output is correct

Subtask #4

21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	596 KB	Output is correct
2	Correct	4 ms	640 KB	Output is correct
3	Correct	4 ms	596 KB	Output is correct
4	Correct	3 ms	596 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct

Subtask #5

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	596 KB	Output is correct
2	Correct	1 ms	548 KB	Output is correct
3	Correct	1 ms	596 KB	Output is correct
4	Correct	1 ms	600 KB	Output is correct
5	Correct	1 ms	544 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	596 KB	Output is correct
9	Correct	1 ms	596 KB	Output is correct
10	Correct	1 ms	596 KB	Output is correct
11	Correct	2 ms	596 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	2 ms	548 KB	Output is correct
14	Correct	18 ms	548 KB	Output is correct
15	Correct	16 ms	548 KB	Output is correct
16	Correct	21 ms	596 KB	Output is correct
17	Correct	27 ms	596 KB	Output is correct
18	Correct	25 ms	636 KB	Output is correct
19	Correct	28 ms	628 KB	Output is correct
20	Correct	3 ms	596 KB	Output is correct
21	Correct	4 ms	640 KB	Output is correct
22	Correct	4 ms	596 KB	Output is correct
23	Correct	3 ms	596 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	15 ms	544 KB	Output is correct
26	Correct	19 ms	596 KB	Output is correct
27	Correct	11 ms	640 KB	Output is correct
28	Correct	19 ms	640 KB	Output is correct
29	Correct	21 ms	596 KB	Output is correct
30	Correct	24 ms	596 KB	Output is correct