Submission #862310

#	Time	Username	Problem	Language	Result	Execution time	Memory
862310		iskhakkutbilim	Kitchen (BOI19_kitchen)	C++17	9 / 100	2 ms	456 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()

const int mod = 1e17;
main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
   int n, m, k; 
	vector<int> a, b;
	cin >> n >> m >> k;
	a.resize(n);
	for(auto &e : a) cin >> e;
	b.resize(m);
	for(auto &e : b) cin >> e;
	vector<int> B = b;
	if(a[0] < k){
		cout << "Impossible";
		return 0;
	}
	int ans = mod;
	for(int all = 0; all < (1<<m); all++){
		if(__builtin_popcount(all) < k) continue;
		int s = 0;
		b = B;
		for(auto x : a){
			int K = 0;
			for(int i = 0;i < m; i++){
				if(all & (1<<i) && b[i] > 0 && K < k){
					b[i]--, K++, x--;
				}
			}
			if(K != k){
				s = mod;
				break;
			}
			for(int i = 0;i < m; i++){
				if(all & (1<<i) && x > 0){
					if(b[i] >= x){
						b[i]-= x;
						x = 0;
					}else{
						x-= b[i];
						b[i] = 0;
					}
				}
			}
			if(x != 0){
				s = mod;
				break;
			}
		}
		
		
		for(int i = 0;i < m; i++){
			if(all & (1<<i)){
				s+= b[i];
			}
		}
		ans = min(ans, s);
	}
	if(ans >= mod){
		cout << "Impossible";
		return 0;
	}
	cout << ans;
	return 0;
}

Compilation message (stderr)

kitchen.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main(){
      | ^~~~

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