Submission #525552

#	Time	Username	Problem	Language	Result	Execution time	Memory
525552		Yazan_Alattar	Kitchen (BOI19_kitchen)	C++14	9 / 100	79 ms	296 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 3005;
const ll inf = 1e9;
const ll mod = 998244353;
const double pi = acos(-1);
const int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};

int n, m, k, a[M], b[M], sum, tot, cnt[M], ans = inf;

int main()
{
	scanf("%d%d%d", &n, &m, &k);
	for(int i = 1; i <= n; ++i) {
		scanf("%d",  &a[i]);
		sum += a[i];
		if(a[i] < k) printf("Impossible\n"), exit(0);
	}
	for(int i = 1; i <= m; ++i) scanf("%d", &b[i]), tot += b[i];
	if(sum > tot) printf("Impossible\n"), exit(0);
	
	for(int mask = 0; mask < (1 << m); ++mask){
		for(int i = 1; i <= n; ++i) cnt[i] = 0;
		int res = 0;
		
		for(int i = 1; i <= m; ++i) if((mask >> (i - 1)) & 1){
			res += b[i];
			int rem = b[i];
			for(int j = 1; j <= n; ++j) if(rem && cnt[j] < k) ++cnt[j], --rem;
		}
		
		bool ok = (res >= sum);
		for(int i = 1; i <= n; ++i) ok &= (cnt[i] >= k);
		
		if(ok) ans = min(ans, res - sum);
	}
	
	if(ans == inf) printf("Impossible\n");
	else printf("%d\n", ans);
	return 0;
}

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  scanf("%d%d%d", &n, &m, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |   scanf("%d",  &a[i]);
      |   ~~~~~^~~~~~~~~~~~~~
kitchen.cpp:25:35: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |  for(int i = 1; i <= m; ++i) scanf("%d", &b[i]), tot += b[i];
      |                              ~~~~~^~~~~~~~~~~~~

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