Submission #525554

#	Time	Username	Problem	Language	Result	Execution time	Memory
525554		Yazan_Alattar	Kitchen (BOI19_kitchen)	C++14	100 / 100	31 ms	612 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 = 100005;
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, ans = inf, dp[M];
 
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 i = 1; i <= m; ++i){
		for(int j = M - b[i] - 1; j >= 0; --j) if(j == 0 || dp[j]) {
			dp[j + b[i]] = max(dp[j + b[i]], dp[j] + min(n, b[i]));
		}
	}	
	
	for(int i = sum; i < M; ++i) if(dp[i] >= n * k) printf("%d\n", i - sum), exit(0);
	printf("Impossible\n");
	
	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: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28