Submission #423248

#	Time	Username	Problem	Language	Result	Execution time	Memory
423248		abdzag	Kitchen (BOI19_kitchen)	C++17	0 / 100	219 ms	7748 KiB

kitchen

#include<bits/stdc++.h>
#include<unordered_map>
#define rep(i,a,b) for(int i=int(a);i<int(b);i++)
#define rrep(i,a,b) for(int i=int(a);i>int(b);i--)
#define trav(a,v) for(auto& a: v)
#define sz(v) v.size()
#define all(v) v.begin(),v.end()
#define vi vector<int>

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const long long inf = 1e15;

using namespace std;
int main() {
	cin.sync_with_stdio(false);
	ll n, m, k;
	cin >> n >> m >> k;
	vector<ll> v(n);
	vector<ll> v2(m);
	rep(i, 0, n)cin >> v[i];
	rep(i, 0, m)cin >> v2[i];
	ll sum = 0;
	rep(i, 0, n)sum += v[i];
	set<ll> s;
	bitset<10000000> dp;
	dp[0] = 1;
	rep(i, 0, m)dp = dp | dp << v2[i];
	rep(i, 0, 1e7)if (dp[i])s.insert(i);
	if (s.lower_bound(sum) == s.end())cout << "impossible" << endl;
	else cout << *(s.lower_bound(sum)) - sum << endl;
	return 0;
}

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