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Submission #577873

# Submission time Handle Problem Language Result Execution time Memory
577873 2022-06-15T10:49:22 Z vanic Uplifting Excursion (BOI22_vault) C++14
5 / 100
 713 ms 28244 KB 
#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <cassert>
#include <cstring>

using namespace std;

const int maxn=55, maxval=63755;
typedef long long ll;

int a[maxn*2];
int dp[maxval][maxn];

void dodaj1(int br, int x){
	for(int i=x; i<maxval; i++){
		for(int j=1; j<=br; j++){
			if(dp[i-x][j-1]!=-1){
				dp[i][j]=dp[i-x][j-1]+1;
			}
		}
	}
	for(int i=0; i<maxval; i++){
		int maksi=-1;
		for(int j=0; j<=br; j++){
			maksi=max(maksi, dp[i][j]);
			dp[i][j]=-1;
		}
		dp[i][0]=maksi;
	}
}

void dodaj2(int br, int x){
	for(int i=maxval-x-1; i>=0; i--){
		for(int j=1; j<=br; j++){
			if(dp[i+x][j-1]!=-1){
				dp[i][j]=dp[i+x][j-1]+1;
			}
		}
	}
	for(int i=0; i<maxval; i++){
		int maksi=-1;
		for(int j=0; j<=br; j++){
			maksi=max(maksi, dp[i][j]);
			dp[i][j]=-1;
		}
		dp[i][0]=maksi;
	}
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	memset(dp, -1, sizeof(dp));
	int n;
	ll l;
	cin >> n >> l;
	assert(n<maxn);
	for(int i=0; i<n*2+1; i++){
		cin >> a[i];
		assert(a[i]<maxn);
	}
	dp[0][0]=a[n];
	if(l<0){
		l=-l;
		for(int i=0; i<n; i++){
			dodaj1(a[i], n-i);
		}
		for(int i=n+1; i<n*2+1; i++){
			dodaj2(a[i], i-n);
		}
	}
	else{
		for(int i=n+1; i<n*2+1; i++){
			dodaj1(a[i], i-n);
		}
		for(int i=0; i<n; i++){
			dodaj2(a[i], n-i);
		}
	}
	if(l>=maxval || dp[l][0]<1){
		cout << "impossible\n";
	}
	else{
		cout <<  dp[l][0] << '\n';
	}
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 14044 KB Output is correct
2 Correct 14 ms 14048 KB Output is correct
3 Correct 10 ms 14036 KB Output is correct
4 Correct 36 ms 14036 KB Output is correct
5 Correct 437 ms 14024 KB Output is correct
6 Correct 455 ms 14036 KB Output is correct
7 Correct 236 ms 14036 KB Output is correct
8 Correct 422 ms 14056 KB Output is correct
9 Correct 713 ms 14036 KB Output is correct
10 Correct 43 ms 14036 KB Output is correct
11 Correct 70 ms 14024 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 14044 KB Output is correct
2 Correct 14 ms 14048 KB Output is correct
3 Correct 10 ms 14036 KB Output is correct
4 Correct 36 ms 14036 KB Output is correct
5 Correct 437 ms 14024 KB Output is correct
6 Correct 455 ms 14036 KB Output is correct
7 Correct 236 ms 14036 KB Output is correct
8 Correct 422 ms 14056 KB Output is correct
9 Correct 713 ms 14036 KB Output is correct
10 Correct 43 ms 14036 KB Output is correct
11 Correct 70 ms 14024 KB Output is correct
12 Correct 11 ms 14004 KB Output is correct
13 Correct 16 ms 14036 KB Output is correct
14 Correct 13 ms 14036 KB Output is correct
15 Correct 31 ms 14036 KB Output is correct
16 Correct 423 ms 14036 KB Output is correct
17 Correct 521 ms 14036 KB Output is correct
18 Correct 209 ms 14020 KB Output is correct
19 Correct 436 ms 14036 KB Output is correct
20 Correct 696 ms 14036 KB Output is correct
21 Correct 48 ms 14036 KB Output is correct
22 Correct 51 ms 14036 KB Output is correct
23 Runtime error 18 ms 28244 KB Execution killed with signal 6
24 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14024 KB Output is correct
2 Runtime error 17 ms 28244 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14024 KB Output is correct
2 Runtime error 17 ms 28244 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14024 KB Output is correct
2 Runtime error 17 ms 28244 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 14044 KB Output is correct
2 Correct 14 ms 14048 KB Output is correct
3 Correct 10 ms 14036 KB Output is correct
4 Correct 36 ms 14036 KB Output is correct
5 Correct 437 ms 14024 KB Output is correct
6 Correct 455 ms 14036 KB Output is correct
7 Correct 236 ms 14036 KB Output is correct
8 Correct 422 ms 14056 KB Output is correct
9 Correct 713 ms 14036 KB Output is correct
10 Correct 43 ms 14036 KB Output is correct
11 Correct 70 ms 14024 KB Output is correct
12 Correct 28 ms 14024 KB Output is correct
13 Runtime error 17 ms 28244 KB Execution killed with signal 6
14 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14024 KB Output is correct
2 Runtime error 17 ms 28244 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 14044 KB Output is correct
2 Correct 14 ms 14048 KB Output is correct
3 Correct 10 ms 14036 KB Output is correct
4 Correct 36 ms 14036 KB Output is correct
5 Correct 437 ms 14024 KB Output is correct
6 Correct 455 ms 14036 KB Output is correct
7 Correct 236 ms 14036 KB Output is correct
8 Correct 422 ms 14056 KB Output is correct
9 Correct 713 ms 14036 KB Output is correct
10 Correct 43 ms 14036 KB Output is correct
11 Correct 70 ms 14024 KB Output is correct
12 Correct 11 ms 14004 KB Output is correct
13 Correct 16 ms 14036 KB Output is correct
14 Correct 13 ms 14036 KB Output is correct
15 Correct 31 ms 14036 KB Output is correct
16 Correct 423 ms 14036 KB Output is correct
17 Correct 521 ms 14036 KB Output is correct
18 Correct 209 ms 14020 KB Output is correct
19 Correct 436 ms 14036 KB Output is correct
20 Correct 696 ms 14036 KB Output is correct
21 Correct 48 ms 14036 KB Output is correct
22 Correct 51 ms 14036 KB Output is correct
23 Runtime error 18 ms 28244 KB Execution killed with signal 6
24 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 14024 KB Output is correct
2 Runtime error 17 ms 28244 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 14044 KB Output is correct
2 Correct 14 ms 14048 KB Output is correct
3 Correct 10 ms 14036 KB Output is correct
4 Correct 36 ms 14036 KB Output is correct
5 Correct 437 ms 14024 KB Output is correct
6 Correct 455 ms 14036 KB Output is correct
7 Correct 236 ms 14036 KB Output is correct
8 Correct 422 ms 14056 KB Output is correct
9 Correct 713 ms 14036 KB Output is correct
10 Correct 43 ms 14036 KB Output is correct
11 Correct 70 ms 14024 KB Output is correct
12 Correct 11 ms 14004 KB Output is correct
13 Correct 16 ms 14036 KB Output is correct
14 Correct 13 ms 14036 KB Output is correct
15 Correct 31 ms 14036 KB Output is correct
16 Correct 423 ms 14036 KB Output is correct
17 Correct 521 ms 14036 KB Output is correct
18 Correct 209 ms 14020 KB Output is correct
19 Correct 436 ms 14036 KB Output is correct
20 Correct 696 ms 14036 KB Output is correct
21 Correct 48 ms 14036 KB Output is correct
22 Correct 51 ms 14036 KB Output is correct
23 Runtime error 18 ms 28244 KB Execution killed with signal 6
24 Halted 0 ms 0 KB -