oj.uz

Submission #423306

# Submission time Handle Problem Language Result Execution time Memory
423306 2021-06-10T23:22:02 Z abdzag Kitchen (BOI19_kitchen) C++17
31 / 100
 1000 ms 62168 KB 
#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];
		if (v[i] < k) {
			cout << "Impossible" << endl;
			return 0;
		}
	}
	rep(i, 0, m)cin >> v2[i];
	ll sum = 0;
	rep(i, 0, n)sum += v[i];
	set < pair < set<ll>,ll>> dp0;
	set<ll> definer;
	dp0.insert(make_pair(definer, 0));
	set < pair < set<ll>, ll>> dp=dp0;
	rep(i, 0, m) {
		trav(a, dp0) {
			pair < set<ll>, ll> cur = a;
			cur.first.insert(v2[i]);
			cur.second += v2[i];
			dp.insert(cur);
		}
		dp0 = dp;
	}
	ll ans = inf;
	trav(a, dp) {
		if (a.first.size() >= k) {
			ll cur = 0;
			set<ll> q = a.first;
			while (1) {
				if (q.size() < k) {
					break;
				}
				cur += *q.begin();
				q.erase(q.begin());
				if (cur >= n)break;
			}
			if (a.second >= sum&&cur>=n) {
				ans = min(a.second, ans);
			}
		}
	}
	if (ans == inf)cout << "Impossible" << endl;
	else cout << ans - sum << endl;
	return 0;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:47:22: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   47 |   if (a.first.size() >= k) {
      |       ~~~~~~~~~~~~~~~^~~~
kitchen.cpp:51:18: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   51 |     if (q.size() < k) {
      |         ~~~~~~~~~^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 141 ms 29520 KB Output is correct
10 Correct 151 ms 29532 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 25 ms 5832 KB Output is correct
13 Correct 135 ms 29700 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1090 ms 62168 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 127 ms 11680 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 141 ms 29520 KB Output is correct
10 Correct 151 ms 29532 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 25 ms 5832 KB Output is correct
13 Correct 135 ms 29700 KB Output is correct
14 Execution timed out 1090 ms 62168 KB Time limit exceeded
15 Halted 0 ms 0 KB -