Submission #541053

# Submission time Handle Problem Language Result Execution time Memory
541053 2022-03-22T07:34:05 Z vinnipuh01 Bootfall (IZhO17_bootfall) C++17
13 / 100
1000 ms 312 KB
#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>

using namespace std;

const long long oo = 1000000000000000000;

long long int  sum, ans = 0, mx = 0, mn = 1000000000, num, pos;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    freopen ( "sum.in", "r", stdin )
*/

int n, a[ 5001 ], dp[ 250001 ];
vector <int> v;

bool ok( int x ) {
	a[ n + 1 ] = x;
	for ( int i = 1; i <= n; i ++ ) {
		num = sum + x - a[ i ];
		if ( num % 2 )
			return false;
		num /= 2;
		for ( int k = num; k >= 1; k -- )
			dp[ k ] = 0;
		dp[ 0 ] = 1;
		for ( int j = 1; j <= n + 1; j ++ ) {
			if ( j == i )
				continue;
			for ( int k = num; k >= 0; k -- ) {
				if ( dp[ k ] && k + a[ j ] <= num ) {
					dp[ k + a[ j ] ] = 1;
				}
			}
		}
		if ( !dp[ num ] ) {
			return false;
		}
	}
	return true;
}

int main () {
	cin >> n;
	for ( int i = 1; i <= n; i ++ ) {
		cin >> a[ i ], sum += a[ i ];
		if ( a[ i ] % 2 )
			num ++;
		else
			ans ++;
	}
	dp[ 0 ] = 1;
	if ( ( num && ans ) || sum % 2 ) {
		cout << "0";
		return 0;
	}
	num = sum / 2;
	for ( int i = 1; i <= n; i ++ ) {
		for ( int j = num; j >= 0; j -- ) {
			if ( j + a[ i ] <= num && dp[ j ] )
				dp[ j + a[ i ] ] = 1;
		}
	}
	if ( !dp[ num ] ) {
		cout << 0;
		return 0;
	}
	for ( int i = 1; i <= 1000; i ++ ) {
		if ( ok( i ) )
			v.push_back( i );
	}
	cout << v.size() << "\n";
	for ( auto i : v )
		cout << i << " ";
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 32 ms 308 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 39 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 32 ms 308 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 39 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 14 ms 312 KB Output is correct
11 Correct 54 ms 308 KB Output is correct
12 Correct 10 ms 312 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 57 ms 212 KB Output is correct
15 Correct 34 ms 304 KB Output is correct
16 Correct 47 ms 304 KB Output is correct
17 Correct 12 ms 312 KB Output is correct
18 Correct 31 ms 304 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 15 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 32 ms 308 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 39 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 14 ms 312 KB Output is correct
11 Correct 54 ms 308 KB Output is correct
12 Correct 10 ms 312 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 57 ms 212 KB Output is correct
15 Correct 34 ms 304 KB Output is correct
16 Correct 47 ms 304 KB Output is correct
17 Correct 12 ms 312 KB Output is correct
18 Correct 31 ms 304 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 15 ms 212 KB Output is correct
21 Execution timed out 1085 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 32 ms 308 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 39 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 14 ms 312 KB Output is correct
11 Correct 54 ms 308 KB Output is correct
12 Correct 10 ms 312 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 57 ms 212 KB Output is correct
15 Correct 34 ms 304 KB Output is correct
16 Correct 47 ms 304 KB Output is correct
17 Correct 12 ms 312 KB Output is correct
18 Correct 31 ms 304 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 15 ms 212 KB Output is correct
21 Execution timed out 1085 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 32 ms 308 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 39 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 14 ms 312 KB Output is correct
11 Correct 54 ms 308 KB Output is correct
12 Correct 10 ms 312 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 57 ms 212 KB Output is correct
15 Correct 34 ms 304 KB Output is correct
16 Correct 47 ms 304 KB Output is correct
17 Correct 12 ms 312 KB Output is correct
18 Correct 31 ms 304 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 15 ms 212 KB Output is correct
21 Execution timed out 1085 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 32 ms 308 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 2 ms 304 KB Output is correct
8 Correct 39 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 14 ms 312 KB Output is correct
11 Correct 54 ms 308 KB Output is correct
12 Correct 10 ms 312 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 57 ms 212 KB Output is correct
15 Correct 34 ms 304 KB Output is correct
16 Correct 47 ms 304 KB Output is correct
17 Correct 12 ms 312 KB Output is correct
18 Correct 31 ms 304 KB Output is correct
19 Correct 26 ms 212 KB Output is correct
20 Correct 15 ms 212 KB Output is correct
21 Execution timed out 1085 ms 300 KB Time limit exceeded
22 Halted 0 ms 0 KB -