oj.uz

Submission #236661

# Submission time Handle Problem Language Result Execution time Memory
236661 2020-06-02T18:53:32 Z maskoff Bootfall (IZhO17_bootfall) C++14
28 / 100
 62 ms 1144 KB 
#include <bits/stdc++.h>
#include <ext/rope>
#include <random>
#include <chrono>
#include <ext/pb_ds/assoc_container.hpp>
 
#define file ""
 
#define all(x) x.begin(), x.end()
 
#define sc second
#define fr first
 
#define pb push_back
#define mp make_pair
 
#define pss pair<line*, line*>
 
using namespace std;
using namespace __gnu_cxx;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
                                 
const ll inf = 1e18;
const int MOD = 1e9 + 7;
 
const int dx[] = {-1, +1, -2, +2, -2, +2, -1, +1};
const int dy[] = {-2, -2, -1, -1, +1, +1, +2, +2};
 
int const N = 5e3 + 5;
int const M = 2e6;

bitset<25500> dp[505];

int main() {                 
#ifdef Mask                                                         
  freopen(".in", 	"r", stdin);
  freopen(".out", "w", stdout);  
#endif
	ios_base :: sync_with_stdio(false);               
  cin.tie(nullptr);
  int n;
  cin >> n;
  int sum = 0;
  int a[n + 1];
  for (int i = 1; i <= n; i++)
  	cin >> a[i], sum += a[i];

  for (int del = 0; del <= n; del++) {
   	dp[del][0] = 1;
   	for (int i = 0; i < n; i++) {
   		if (i + 1 == del) 
   			continue;
   		dp[del] |= (dp[del] << a[i + 1]);
   	}
  }

  vector<int> ans;
  for (int k = 1; k <= 25000; k++)  {
  	int ok = true;
  	for (int del = 0; del <= n; del++) {
  		int all = sum + k;
  		if (del == 0) all -= k;
  		else all -= a[del];

  		if (all % 2 == 1) {
  			ok = false;
  			break;
  		}
  		int need = all / 2;

  		if (dp[del][need] == 0) {
  			ok = false;
  			break;
  		}
  	}
  	if (ok == true)
  		ans.pb(k);
  }
 	cout << ans.size() << endl;
 	for (int to : ans)
 		cout << to << " ";      
	return 0;
 
}

Subtask #1
6.0 / 6.0

# 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 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct

Subtask #2
7.0 / 7.0

# 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 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 6 ms 512 KB Output is correct
20 Correct 6 ms 384 KB Output is correct

Subtask #3
15.0 / 15.0

# 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 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 6 ms 512 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 9 ms 512 KB Output is correct
22 Correct 10 ms 640 KB Output is correct
23 Correct 8 ms 512 KB Output is correct
24 Correct 14 ms 640 KB Output is correct
25 Correct 14 ms 640 KB Output is correct
26 Correct 16 ms 768 KB Output is correct
27 Correct 16 ms 640 KB Output is correct
28 Correct 15 ms 640 KB Output is correct
29 Correct 18 ms 640 KB Output is correct
30 Correct 14 ms 640 KB Output is correct
31 Correct 16 ms 768 KB Output is correct
32 Correct 14 ms 640 KB Output is correct
33 Correct 15 ms 640 KB Output is correct
34 Correct 14 ms 640 KB Output is correct
35 Correct 14 ms 640 KB Output is correct
36 Correct 16 ms 768 KB Output is correct

Subtask #4
0 / 16.0

# 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 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 6 ms 512 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 9 ms 512 KB Output is correct
22 Correct 10 ms 640 KB Output is correct
23 Correct 8 ms 512 KB Output is correct
24 Correct 14 ms 640 KB Output is correct
25 Correct 14 ms 640 KB Output is correct
26 Correct 16 ms 768 KB Output is correct
27 Correct 16 ms 640 KB Output is correct
28 Correct 15 ms 640 KB Output is correct
29 Correct 18 ms 640 KB Output is correct
30 Correct 14 ms 640 KB Output is correct
31 Correct 16 ms 768 KB Output is correct
32 Correct 14 ms 640 KB Output is correct
33 Correct 15 ms 640 KB Output is correct
34 Correct 14 ms 640 KB Output is correct
35 Correct 14 ms 640 KB Output is correct
36 Correct 16 ms 768 KB Output is correct
37 Correct 48 ms 1144 KB Output is correct
38 Correct 49 ms 1144 KB Output is correct
39 Incorrect 62 ms 1144 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 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 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 6 ms 512 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 9 ms 512 KB Output is correct
22 Correct 10 ms 640 KB Output is correct
23 Correct 8 ms 512 KB Output is correct
24 Correct 14 ms 640 KB Output is correct
25 Correct 14 ms 640 KB Output is correct
26 Correct 16 ms 768 KB Output is correct
27 Correct 16 ms 640 KB Output is correct
28 Correct 15 ms 640 KB Output is correct
29 Correct 18 ms 640 KB Output is correct
30 Correct 14 ms 640 KB Output is correct
31 Correct 16 ms 768 KB Output is correct
32 Correct 14 ms 640 KB Output is correct
33 Correct 15 ms 640 KB Output is correct
34 Correct 14 ms 640 KB Output is correct
35 Correct 14 ms 640 KB Output is correct
36 Correct 16 ms 768 KB Output is correct
37 Correct 48 ms 1144 KB Output is correct
38 Correct 49 ms 1144 KB Output is correct
39 Incorrect 62 ms 1144 KB Output isn't correct
40 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# 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 512 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 7 ms 384 KB Output is correct
19 Correct 6 ms 512 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 9 ms 512 KB Output is correct
22 Correct 10 ms 640 KB Output is correct
23 Correct 8 ms 512 KB Output is correct
24 Correct 14 ms 640 KB Output is correct
25 Correct 14 ms 640 KB Output is correct
26 Correct 16 ms 768 KB Output is correct
27 Correct 16 ms 640 KB Output is correct
28 Correct 15 ms 640 KB Output is correct
29 Correct 18 ms 640 KB Output is correct
30 Correct 14 ms 640 KB Output is correct
31 Correct 16 ms 768 KB Output is correct
32 Correct 14 ms 640 KB Output is correct
33 Correct 15 ms 640 KB Output is correct
34 Correct 14 ms 640 KB Output is correct
35 Correct 14 ms 640 KB Output is correct
36 Correct 16 ms 768 KB Output is correct
37 Correct 48 ms 1144 KB Output is correct
38 Correct 49 ms 1144 KB Output is correct
39 Incorrect 62 ms 1144 KB Output isn't correct
40 Halted 0 ms 0 KB -