답안 #377837

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
377837 2021-03-15T08:40:22 Z SavicS Bootfall (IZhO17_bootfall) C++14
13 / 100
59 ms 2412 KB
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>

#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ff(i,a,b) for(int i=a;i<=b;i++)
#define fb(i,b,a) for(int i=b;i>=a;i--)

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 505;
const int inf = 1e9 + 5;

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

int n;
int niz[maxn];

const int N = 500 * 500;
int dp[maxn * maxn];
int pomdp[maxn * maxn];

int cnt[maxn * maxn];

int main()
{
   	ios::sync_with_stdio(false);
   	cout.tie(nullptr);
  	cin.tie(nullptr);
	cin >> n;
	ff(i,1,n)cin >> niz[i];
	dp[0] = 1;
	ff(i,1,n){
		fb(j,N,1){
			if(j >= niz[i])dp[j] += dp[j - niz[i]];
		}
	}
	int zbir = 0;
	ff(i,1,n)zbir += niz[i];
	
	if(zbir % 2 == 1 || dp[zbir / 2] == 0)return cout << 0, 0;
	
	ff(i,1,n){
		int x = niz[i];
		ff(j,0,N)pomdp[j] = dp[j];
		
		ff(j,1,N){
			if(j >= x){
				pomdp[j] -= pomdp[j - x];
			}
		}
		
		int sum = zbir - x;
		set<int> s;
		ff(j,1,N){
			if((sum + j) % 2 == 0 && pomdp[(sum + j) / 2] >= 1)s.insert(j);
		}
		for(auto c : s)cnt[c] += 1;
	}
	vector<int> vec;
	ff(j,1,N){
		if(cnt[j] == n)vec.pb(j);
	}
	cout << sz(vec) << endl;
	sort(all(vec));
	for(auto c : vec)cout << c << " ";
	cout << endl;
   	return 0;
}
/**

4
200 200 200 200

6
3 5 7 11 9 13

4
1 3 1 5

3
2 2 2

// probati bojenje sahovski ili slicno

**/


# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 2284 KB Output is correct
2 Correct 7 ms 2284 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 6 ms 2284 KB Output is correct
5 Correct 12 ms 2284 KB Output is correct
6 Correct 9 ms 2284 KB Output is correct
7 Correct 10 ms 2284 KB Output is correct
8 Correct 13 ms 2304 KB Output is correct
9 Correct 13 ms 2304 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 2284 KB Output is correct
2 Correct 7 ms 2284 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 6 ms 2284 KB Output is correct
5 Correct 12 ms 2284 KB Output is correct
6 Correct 9 ms 2284 KB Output is correct
7 Correct 10 ms 2284 KB Output is correct
8 Correct 13 ms 2304 KB Output is correct
9 Correct 13 ms 2304 KB Output is correct
10 Correct 26 ms 2284 KB Output is correct
11 Correct 28 ms 2284 KB Output is correct
12 Correct 27 ms 2284 KB Output is correct
13 Correct 24 ms 2284 KB Output is correct
14 Correct 25 ms 2284 KB Output is correct
15 Correct 27 ms 2284 KB Output is correct
16 Correct 29 ms 2284 KB Output is correct
17 Correct 17 ms 2232 KB Output is correct
18 Correct 22 ms 2288 KB Output is correct
19 Correct 24 ms 2284 KB Output is correct
20 Correct 30 ms 2284 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 2284 KB Output is correct
2 Correct 7 ms 2284 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 6 ms 2284 KB Output is correct
5 Correct 12 ms 2284 KB Output is correct
6 Correct 9 ms 2284 KB Output is correct
7 Correct 10 ms 2284 KB Output is correct
8 Correct 13 ms 2304 KB Output is correct
9 Correct 13 ms 2304 KB Output is correct
10 Correct 26 ms 2284 KB Output is correct
11 Correct 28 ms 2284 KB Output is correct
12 Correct 27 ms 2284 KB Output is correct
13 Correct 24 ms 2284 KB Output is correct
14 Correct 25 ms 2284 KB Output is correct
15 Correct 27 ms 2284 KB Output is correct
16 Correct 29 ms 2284 KB Output is correct
17 Correct 17 ms 2232 KB Output is correct
18 Correct 22 ms 2288 KB Output is correct
19 Correct 24 ms 2284 KB Output is correct
20 Correct 30 ms 2284 KB Output is correct
21 Incorrect 59 ms 2412 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 2284 KB Output is correct
2 Correct 7 ms 2284 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 6 ms 2284 KB Output is correct
5 Correct 12 ms 2284 KB Output is correct
6 Correct 9 ms 2284 KB Output is correct
7 Correct 10 ms 2284 KB Output is correct
8 Correct 13 ms 2304 KB Output is correct
9 Correct 13 ms 2304 KB Output is correct
10 Correct 26 ms 2284 KB Output is correct
11 Correct 28 ms 2284 KB Output is correct
12 Correct 27 ms 2284 KB Output is correct
13 Correct 24 ms 2284 KB Output is correct
14 Correct 25 ms 2284 KB Output is correct
15 Correct 27 ms 2284 KB Output is correct
16 Correct 29 ms 2284 KB Output is correct
17 Correct 17 ms 2232 KB Output is correct
18 Correct 22 ms 2288 KB Output is correct
19 Correct 24 ms 2284 KB Output is correct
20 Correct 30 ms 2284 KB Output is correct
21 Incorrect 59 ms 2412 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 2284 KB Output is correct
2 Correct 7 ms 2284 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 6 ms 2284 KB Output is correct
5 Correct 12 ms 2284 KB Output is correct
6 Correct 9 ms 2284 KB Output is correct
7 Correct 10 ms 2284 KB Output is correct
8 Correct 13 ms 2304 KB Output is correct
9 Correct 13 ms 2304 KB Output is correct
10 Correct 26 ms 2284 KB Output is correct
11 Correct 28 ms 2284 KB Output is correct
12 Correct 27 ms 2284 KB Output is correct
13 Correct 24 ms 2284 KB Output is correct
14 Correct 25 ms 2284 KB Output is correct
15 Correct 27 ms 2284 KB Output is correct
16 Correct 29 ms 2284 KB Output is correct
17 Correct 17 ms 2232 KB Output is correct
18 Correct 22 ms 2288 KB Output is correct
19 Correct 24 ms 2284 KB Output is correct
20 Correct 30 ms 2284 KB Output is correct
21 Incorrect 59 ms 2412 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 2284 KB Output is correct
2 Correct 7 ms 2284 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 6 ms 2284 KB Output is correct
5 Correct 12 ms 2284 KB Output is correct
6 Correct 9 ms 2284 KB Output is correct
7 Correct 10 ms 2284 KB Output is correct
8 Correct 13 ms 2304 KB Output is correct
9 Correct 13 ms 2304 KB Output is correct
10 Correct 26 ms 2284 KB Output is correct
11 Correct 28 ms 2284 KB Output is correct
12 Correct 27 ms 2284 KB Output is correct
13 Correct 24 ms 2284 KB Output is correct
14 Correct 25 ms 2284 KB Output is correct
15 Correct 27 ms 2284 KB Output is correct
16 Correct 29 ms 2284 KB Output is correct
17 Correct 17 ms 2232 KB Output is correct
18 Correct 22 ms 2288 KB Output is correct
19 Correct 24 ms 2284 KB Output is correct
20 Correct 30 ms 2284 KB Output is correct
21 Incorrect 59 ms 2412 KB Output isn't correct
22 Halted 0 ms 0 KB -