Submission #522787

#	Time	Username	Problem	Language	Result	Execution time	Memory
522787		LucaDantas	Kitchen (BOI19_kitchen)	C++17	0 / 100	1 ms	204 KiB

kitchen

#include <cstdio>
#include <algorithm>
using namespace std;
 
constexpr int maxn = 310, inf = 0x3f3f3f3f;
 
int a[maxn], b[maxn], ex[maxn];
 
int dp[maxn*maxn];
 
int main() {
	int n, m, k, soma = 0; scanf("%d %d %d", &n, &m, &k);
	for(int i = 0; i < n; i++) {
		scanf("%d", a+i), soma += a[i];
		if(a[i] < k) return puts("impossible"), 0;
	}
	for(int i = 0; i < m; i++)
		scanf("%d", b+i);
 
	int ans = inf;
	for(int mask = 0; mask < (1 << m); mask++) {
		int tot = 0, bom = 0;
		for(int i = 0; i < m; i++)
			if(mask & (1 << i)) tot += b[i], bom += min(n, b[i]);
		if(tot >= soma && bom >= n*k) ans = min(ans, tot);
	}

	if(ans == inf) puts("impossible");
	else printf("%d\n", ans-soma);
}

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:12:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  int n, m, k, soma = 0; scanf("%d %d %d", &n, &m, &k);
      |                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%d", a+i), soma += a[i];
      |   ~~~~~^~~~~~~~~~~
kitchen.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   scanf("%d", b+i);
      |   ~~~~~^~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28