Submission #169393

#	Time	Username	Problem	Language	Result	Execution time	Memory
169393		Atalasion	Kitchen (BOI19_kitchen)	C++14	100 / 100	30 ms	764 KiB

kitchen

//khodaya khodet komak kon
#include <bits/stdc++.h>

#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#pragma GCC optimise ("ofast")
#pragma GCC optimise("unroll-loops")

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

const int N = 300 + 10;
const ll MOD = 1000000000 + 7;
const ll INF = 1000000000000000000;
const ll LOG = 25;

int n, m, k, a[N], b[N];
int dp[N * N];

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> m >> k;
	for (int i = 1; i <= n; i++) cin >> a[i];
	for (int i = 1; i <= m; i++) cin >> b[i];
	int sum = 0, sum1 = 0;
	sort(a + 1, a + n + 1);
	if (a[1] < k) return cout << "Impossible", 0;
	if (m < k) return cout << "Impossible", 0;
	for (int i = 1; i <= n; i++) sum += a[i];
	for (int i = 1; i <= m; i++) sum1 += b[i];
	if (sum1 < sum) return cout << "Impossible",0;
	//memset(dp, 31, sizeof dp);
	//dp[0] = 0;
	for (int i = 0; i < N * N; i++) dp[i] = -100000000;
	dp[0] = 0;
	for (int i = 1; i <= m; i++){
		for (int j = N * N - 1; j >= b[i]; j--){
			dp[j] = max(dp[j], dp[j - b[i]] + min(n, b[i]));
			//cout << j << ' ' << dp[j] << '\n';
		}
	}
	for (int i = sum; i < N * N; i++){
		if (dp[i] >= n * k) return cout << i - sum, 0;
	}
	cout << "Impossible", 0;







	return 0;
}

Compilation message (stderr)

kitchen.cpp:8:0: warning: ignoring #pragma GCC optimise [-Wunknown-pragmas]
 #pragma GCC optimise ("ofast")
 
kitchen.cpp:9:0: warning: ignoring #pragma GCC optimise [-Wunknown-pragmas]
 #pragma GCC optimise("unroll-loops")
 
kitchen.cpp: In function 'int main()':
kitchen.cpp:50:25: warning: right operand of comma operator has no effect [-Wunused-value]
  cout << "Impossible", 0;
                         ^

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