Submission #921103

#	Time	Username	Problem	Language	Result	Execution time	Memory
921103		shoryu386	Kitchen (BOI19_kitchen)	C++17	72 / 100	202 ms	262144 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
 
#define int long long
 
main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	
	int n, m, k; cin >> n >> m >> k;
	
	int buckets[n], balls[m];
	
	for (int x = 0; x < n; x++) cin >> buckets[x];
	for (int x = 0; x < m; x++) cin >> balls[x];
	
	#define IMP cout << "Impossible"; return 0;
	
	bool dead = false;
	for (int x = 0; x < n; x++){
		if (buckets[x] < k){
			dead = true;
		}
	}
	if (dead) {IMP;}
	
	int bucketsum = 0;
	for (int x = 0; x < n; x++){
		bucketsum += buckets[x];
	}
	
	
	#define BSMAX 100000
	bitset<BSMAX> hmm[n*k+1];
	
	hmm[n*k][0] = 1;
	
	for (int x = 0; x < m; x++){
		for (int z = 0; z <= n*k; z++){
			hmm[max(0LL, z - min(balls[x], n))] |= (hmm[z] << balls[x]);
		}
	}
	int ans = -1;
	for (int x = bucketsum; x < BSMAX; x++){
		if (hmm[0][x]){
			ans = x-bucketsum;
			break;
		}
	}
		
	if (ans == -1) cout << "Impossible";
	else cout << ans;
	
}

Compilation message (stderr)

kitchen.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~

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