Submission #125561

#	Time	Username	Problem	Language	Result	Execution time	Memory
125561		eriksuenderhauf	Kitchen (BOI19_kitchen)	C++11	100 / 100	32 ms	636 KiB

kitchen

#include <bits/stdc++.h>
int a[301], b[301], dp[301*301], n, m, k, sm = 0;

int main() {
	scanf("%d %d %d", &n, &m, &k), dp[0] = 1;
	for (int i = 1; i <= n; i++) scanf("%d", &a[i]), sm += a[i];
	for (int i = 1; i <= m; i++) scanf("%d", &b[i]);
	if (*std::min_element(a+1,a+n+1) < k || m < k) return !printf("Impossible\n");
	for (int i = 1; i <= m; i++) for (int j = 301*301-1; j >= b[i]; j--)  if (dp[j-b[i]] > 0) dp[j] = std::max(dp[j], dp[j-b[i]] + std::min(b[i],n));
	for (int j = sm; j < 301*301; j++) if (dp[j] > n*k) return !printf("%d\n", j-sm);
	return !printf("Impossible\n");
}

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:5:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &m, &k), dp[0] = 1;
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
kitchen.cpp:6:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= n; i++) scanf("%d", &a[i]), sm += a[i];
                               ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
kitchen.cpp:7:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= m; i++) scanf("%d", &b[i]);
                               ~~~~~^~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28