oj.uz

Submission #921141

# Submission time Handle Problem Language Result Execution time Memory
921141 2024-02-03T10:56:25 Z shoryu386 Kitchen (BOI19_kitchen) C++17
72 / 100
 1000 ms 94632 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
 
main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	
	int n, m, k; cin >> n >> m >> k;
	
	int buckets[n], balls[m];
	
	for (int x = 0; x < n; x++) cin >> buckets[x];
	for (int x = 0; x < m; x++) cin >> balls[x];
	
	#define IMP cout << "Impossible"; return 0;
	
	bool dead = false;
	for (int x = 0; x < n; x++){
		if (buckets[x] < k){
			dead = true;
		}
	}
	if (dead) {IMP;}
	
	int bucketsum = 0;
	for (int x = 0; x < n; x++){
		bucketsum += buckets[x];
	}
	
	
	#define BSMAX 100000
	deque<bitset<BSMAX>> hmm;
	
	bitset<BSMAX> init;
	hmm.push_back(init);
	int firstbucket = n*k, lastbucket = n*k;
	
	hmm[n*k - firstbucket][0] = 1;
	
	
	sort(balls, balls+m, greater<int>());
	int sum = 0, ssum[m];
	for (int x = m-1; x > -1; x--){
		sum += min(n, balls[x]);
		ssum[x] = sum;
	}
	sum = 0; int psum[m];
	for (int x = 0; x < m; x++){
		sum += balls[x];
		psum[x] = sum;
	}
	
	for (int z = n*k; z <= n*k; z++){
		
		while (firstbucket > max(0LL, z - min(balls[0], n)) ){
			hmm.push_front(init);
			firstbucket--;
		}
		
		while (lastbucket > min(n*k, ssum[0])){
			hmm.pop_back();
			lastbucket--;
		}
		hmm[max(0LL, z - min(balls[0], n)) - firstbucket] |= (hmm[z - firstbucket] << balls[0]);
	}
	
	for (int x = 1; x < m; x++){
		int kk = max(0LL, max(0LL, n*k - psum[x-1]) - min(balls[x], n));
		int zz =  min(n*k, ssum[x]);
		while (firstbucket > kk){
			hmm.push_front(init);
			firstbucket--;
		}
		
		while (lastbucket > zz){
			hmm.pop_back();
			lastbucket--;
		}
		
		for (int z = max(0LL, n*k - psum[x-1]); z <= min(n*k, ssum[x]); z++){
			hmm[max(0LL, z - min(balls[x], n)) - firstbucket] |= (hmm[z - firstbucket] << balls[x]);
		}
	}
	
	
	int ans = -1;
	for (int x = bucketsum; x < BSMAX; x++){
		if (hmm[0][x]){
			ans = x-bucketsum;
			break;
		}
	}
		
	if (ans == -1) cout << "Impossible";
	else cout << ans;
	
}

Compilation message

kitchen.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 3 ms 3932 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 604 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 3 ms 3932 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Correct 3 ms 1368 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 76 ms 26240 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 201 ms 4136 KB Output is correct
2 Correct 167 ms 4136 KB Output is correct
3 Correct 216 ms 3932 KB Output is correct
4 Correct 203 ms 3932 KB Output is correct
5 Correct 215 ms 4184 KB Output is correct
6 Correct 146 ms 3932 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 5980 KB Output is correct
2 Correct 12 ms 3416 KB Output is correct
3 Correct 34 ms 7564 KB Output is correct
4 Correct 4 ms 1720 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 3 ms 3932 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Correct 3 ms 1368 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 1 ms 860 KB Output is correct
12 Correct 2 ms 1372 KB Output is correct
13 Correct 76 ms 26240 KB Output is correct
14 Correct 201 ms 4136 KB Output is correct
15 Correct 167 ms 4136 KB Output is correct
16 Correct 216 ms 3932 KB Output is correct
17 Correct 203 ms 3932 KB Output is correct
18 Correct 215 ms 4184 KB Output is correct
19 Correct 146 ms 3932 KB Output is correct
20 Correct 25 ms 5980 KB Output is correct
21 Correct 12 ms 3416 KB Output is correct
22 Correct 34 ms 7564 KB Output is correct
23 Correct 4 ms 1720 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Execution timed out 1043 ms 94632 KB Time limit exceeded
26 Halted 0 ms 0 KB -