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Submission #522788

# Submission time Handle Problem Language Result Execution time Memory
522788 2022-02-05T19:49:40 Z LucaDantas Kitchen (BOI19_kitchen) C++17
100 / 100
 28 ms 716 KB 
#include <cstdio>

constexpr int maxn = 310, inf = 0x3f3f3f3f;

int a[maxn], b[maxn];

int dp[maxn*maxn];

int main() {
	int n, m, k; scanf("%d %d %d", &n, &m, &k);
	for(int i = 0; i < n; i++)
		scanf("%d", a+i);
	for(int i = 0; i < m; i++)
		scanf("%d", b+i);

	int soma = 0;
	for(int i = 0; i < n; i++) {
		soma += a[i];
		if(a[i] < k) return puts("Impossible"), 0;
	}

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

	for(int i = 0; i < maxn*maxn; i++)
		dp[i] = -inf;
	dp[0] = 0;

	for(int i = 0; i < m; i++)
		for(int j = maxn*maxn - 1 - b[i]; j >= 0; j--)
			dp[j+b[i]] = max(dp[j+b[i]], dp[j] + min(n, b[i]));

	for(int j = soma; j < maxn*maxn; j++)
		if(dp[j] >= n*k) return printf("%d\n", j-soma), 0;

	puts("Impossible");
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:10:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  int n, m, k; scanf("%d %d %d", &n, &m, &k);
      |               ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   scanf("%d", a+i);
      |   ~~~~~^~~~~~~~~~~
kitchen.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%d", b+i);
      |   ~~~~~^~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 2 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 588 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 2 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 588 KB Output is correct
11 Correct 2 ms 536 KB Output is correct
12 Correct 2 ms 588 KB Output is correct
13 Correct 2 ms 536 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 588 KB Output is correct
2 Correct 19 ms 588 KB Output is correct
3 Correct 23 ms 588 KB Output is correct
4 Correct 25 ms 636 KB Output is correct
5 Correct 25 ms 588 KB Output is correct
6 Correct 28 ms 588 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 588 KB Output is correct
2 Correct 5 ms 588 KB Output is correct
3 Correct 4 ms 588 KB Output is correct
4 Correct 4 ms 652 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 2 ms 716 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 588 KB Output is correct
11 Correct 2 ms 536 KB Output is correct
12 Correct 2 ms 588 KB Output is correct
13 Correct 2 ms 536 KB Output is correct
14 Correct 20 ms 588 KB Output is correct
15 Correct 19 ms 588 KB Output is correct
16 Correct 23 ms 588 KB Output is correct
17 Correct 25 ms 636 KB Output is correct
18 Correct 25 ms 588 KB Output is correct
19 Correct 28 ms 588 KB Output is correct
20 Correct 4 ms 588 KB Output is correct
21 Correct 5 ms 588 KB Output is correct
22 Correct 4 ms 588 KB Output is correct
23 Correct 4 ms 652 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 17 ms 540 KB Output is correct
26 Correct 19 ms 588 KB Output is correct
27 Correct 13 ms 588 KB Output is correct
28 Correct 22 ms 540 KB Output is correct
29 Correct 21 ms 660 KB Output is correct
30 Correct 24 ms 652 KB Output is correct