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Submission #242165

# Submission time Handle Problem Language Result Execution time Memory
242165 2020-06-27T03:56:12 Z oolimry Kitchen (BOI19_kitchen) C++14
51 / 100
 372 ms 3744 KB 
#include <bits/stdc++.h>
using namespace std;

void impossible(){ cout << "Impossible"; exit(0); }

const int MAXN = 90005;
bitset<MAXN> dpSmall;
bitset<MAXN> dpBig[305];

vector<int> small, big, smallCan;

int main(){
	int n, m, K; cin >> n >> m >> K;
	
	int sumA = 0;
	for(int i = 0;i < n;i++){
		int a; cin >> a;
		sumA += a;
		if(a < K) impossible();
	}
	
	for(int i = 0;i < m;i++){
		int b; cin >> b;
		if(b < K) small.push_back(b);
		else big.push_back(b);
	}
	
	dpSmall[0] = 1;
	for(int b : small) dpSmall |= (dpSmall << b);
	for(int i = 0;i <= MAXN;i++){
		if(dpSmall[i]) smallCan.push_back(i);
	}
	
	dpBig[0][0] = 1;
	for(int b : big){
		for(int i = (int) big.size();i >= 1;i--){
			dpBig[i] |= (dpBig[i-1] << b);
		}
	}
	
	int ans = 102345678;
	for(int no = 0;no <= m;no++){
		for(int total = 0;total <= MAXN;total++){
			if(dpBig[no][total]){
				int need = max(sumA -  total, (K-no)*n);
				auto it = lower_bound(smallCan.begin(),smallCan.end(), need);
				
				if(it == smallCan.end()) continue;
				ans = min(ans, *it + total);
			}
		}
	}
	
	if(ans == 102345678) impossible();
	cout << ans - sumA;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 7 ms 512 KB Output is correct
11 Correct 7 ms 512 KB Output is correct
12 Correct 7 ms 512 KB Output is correct
13 Correct 7 ms 512 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 282 ms 3320 KB Output is correct
2 Correct 212 ms 2936 KB Output is correct
3 Correct 372 ms 3704 KB Output is correct
4 Correct 353 ms 3744 KB Output is correct
5 Correct 339 ms 3704 KB Output is correct
6 Correct 179 ms 2808 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 768 KB Output is correct
2 Incorrect 9 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 7 ms 512 KB Output is correct
11 Correct 7 ms 512 KB Output is correct
12 Correct 7 ms 512 KB Output is correct
13 Correct 7 ms 512 KB Output is correct
14 Correct 282 ms 3320 KB Output is correct
15 Correct 212 ms 2936 KB Output is correct
16 Correct 372 ms 3704 KB Output is correct
17 Correct 353 ms 3744 KB Output is correct
18 Correct 339 ms 3704 KB Output is correct
19 Correct 179 ms 2808 KB Output is correct
20 Correct 13 ms 768 KB Output is correct
21 Incorrect 9 ms 512 KB Output isn't correct
22 Halted 0 ms 0 KB -