Submission #956132

#	Time	Username	Problem	Language	Result	Execution time	Memory
956132		Batorgil952	Kitchen (BOI19_kitchen)	C++14	100 / 100	81 ms	107604 KiB

kitchen

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair

using namespace std;

const int N=302;
int a[N], b[N];
int dp[N][N*N];

int main(){
	int n, m, k, i, j, s, ans, ind;
	
	scanf("%d",&n);
	scanf("%d",&m);
	scanf("%d",&k);
	
	s=0;
	ind=0;
	for(i=1; i<=n; i++){
		scanf("%d",&a[i]);
		s+=a[i];
		if(a[i]<k) ind++;
	}
	
	for(i=1; i<=m; i++){
		scanf("%d",&b[i]);
	}
	
	if(ind!=0){
		printf("Impossible\n");
		return 0;
	}
	
	for(i=1; i<=m; i++){
		for(j=1; j<=90000; j++){
			dp[i][j]=dp[i-1][j];
			if(j-b[i]>0 && dp[i-1][j-b[i]]>0){
				dp[i][j]=max(dp[i][j], dp[i-1][j-b[i]]+min(n, b[i]));
			}
			else if(j-b[i]==0){
				dp[i][j]=max(dp[i][j], min(n, b[i]));
			}
		}
	}
	
	ans=-1;
	for(i=1; i<=90000; i++){
		if(dp[m][i]>=n*k && i>=s){
			if(ans==-1) ans=i-s;
			else ans=min(ans, i-s);
		}
	}
	
	if(ans==-1) printf("Impossible\n");
	else printf("%d\n", ans);
	
	return 0;
}

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
kitchen.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  scanf("%d",&m);
      |  ~~~~~^~~~~~~~~
kitchen.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf("%d",&k);
      |  ~~~~~^~~~~~~~~
kitchen.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |   scanf("%d",&a[i]);
      |   ~~~~~^~~~~~~~~~~~
kitchen.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |   scanf("%d",&b[i]);
      |   ~~~~~^~~~~~~~~~~~

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