oj.uz

Submission #236662

# Submission time Handle Problem Language Result Execution time Memory
236662 2020-06-02T18:54:44 Z maskoff Bootfall (IZhO17_bootfall) C++14
28 / 100
 207 ms 3428 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 = 1e5 + 5;
int const M = 2e6;

bitset<N> 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 <= 50000; 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 512 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 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 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 512 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 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 8 ms 768 KB Output is correct
11 Correct 8 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 7 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 8 ms 768 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 7 ms 640 KB Output is correct
19 Correct 7 ms 640 KB Output is correct
20 Correct 8 ms 768 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 512 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 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 8 ms 768 KB Output is correct
11 Correct 8 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 7 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 8 ms 768 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 7 ms 640 KB Output is correct
19 Correct 7 ms 640 KB Output is correct
20 Correct 8 ms 768 KB Output is correct
21 Correct 18 ms 1152 KB Output is correct
22 Correct 23 ms 1280 KB Output is correct
23 Correct 14 ms 1024 KB Output is correct
24 Correct 35 ms 1528 KB Output is correct
25 Correct 35 ms 1528 KB Output is correct
26 Correct 38 ms 1656 KB Output is correct
27 Correct 40 ms 1656 KB Output is correct
28 Correct 37 ms 1656 KB Output is correct
29 Correct 37 ms 1528 KB Output is correct
30 Correct 38 ms 1664 KB Output is correct
31 Correct 38 ms 1656 KB Output is correct
32 Correct 39 ms 1656 KB Output is correct
33 Correct 37 ms 1656 KB Output is correct
34 Correct 41 ms 1528 KB Output is correct
35 Correct 38 ms 1656 KB Output is correct
36 Correct 39 ms 1656 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 512 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 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 8 ms 768 KB Output is correct
11 Correct 8 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 7 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 8 ms 768 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 7 ms 640 KB Output is correct
19 Correct 7 ms 640 KB Output is correct
20 Correct 8 ms 768 KB Output is correct
21 Correct 18 ms 1152 KB Output is correct
22 Correct 23 ms 1280 KB Output is correct
23 Correct 14 ms 1024 KB Output is correct
24 Correct 35 ms 1528 KB Output is correct
25 Correct 35 ms 1528 KB Output is correct
26 Correct 38 ms 1656 KB Output is correct
27 Correct 40 ms 1656 KB Output is correct
28 Correct 37 ms 1656 KB Output is correct
29 Correct 37 ms 1528 KB Output is correct
30 Correct 38 ms 1664 KB Output is correct
31 Correct 38 ms 1656 KB Output is correct
32 Correct 39 ms 1656 KB Output is correct
33 Correct 37 ms 1656 KB Output is correct
34 Correct 41 ms 1528 KB Output is correct
35 Correct 38 ms 1656 KB Output is correct
36 Correct 39 ms 1656 KB Output is correct
37 Correct 137 ms 3064 KB Output is correct
38 Correct 138 ms 3064 KB Output is correct
39 Incorrect 207 ms 3428 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 512 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 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 8 ms 768 KB Output is correct
11 Correct 8 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 7 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 8 ms 768 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 7 ms 640 KB Output is correct
19 Correct 7 ms 640 KB Output is correct
20 Correct 8 ms 768 KB Output is correct
21 Correct 18 ms 1152 KB Output is correct
22 Correct 23 ms 1280 KB Output is correct
23 Correct 14 ms 1024 KB Output is correct
24 Correct 35 ms 1528 KB Output is correct
25 Correct 35 ms 1528 KB Output is correct
26 Correct 38 ms 1656 KB Output is correct
27 Correct 40 ms 1656 KB Output is correct
28 Correct 37 ms 1656 KB Output is correct
29 Correct 37 ms 1528 KB Output is correct
30 Correct 38 ms 1664 KB Output is correct
31 Correct 38 ms 1656 KB Output is correct
32 Correct 39 ms 1656 KB Output is correct
33 Correct 37 ms 1656 KB Output is correct
34 Correct 41 ms 1528 KB Output is correct
35 Correct 38 ms 1656 KB Output is correct
36 Correct 39 ms 1656 KB Output is correct
37 Correct 137 ms 3064 KB Output is correct
38 Correct 138 ms 3064 KB Output is correct
39 Incorrect 207 ms 3428 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 512 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 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 8 ms 768 KB Output is correct
11 Correct 8 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 7 ms 640 KB Output is correct
14 Correct 7 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 8 ms 768 KB Output is correct
17 Correct 6 ms 640 KB Output is correct
18 Correct 7 ms 640 KB Output is correct
19 Correct 7 ms 640 KB Output is correct
20 Correct 8 ms 768 KB Output is correct
21 Correct 18 ms 1152 KB Output is correct
22 Correct 23 ms 1280 KB Output is correct
23 Correct 14 ms 1024 KB Output is correct
24 Correct 35 ms 1528 KB Output is correct
25 Correct 35 ms 1528 KB Output is correct
26 Correct 38 ms 1656 KB Output is correct
27 Correct 40 ms 1656 KB Output is correct
28 Correct 37 ms 1656 KB Output is correct
29 Correct 37 ms 1528 KB Output is correct
30 Correct 38 ms 1664 KB Output is correct
31 Correct 38 ms 1656 KB Output is correct
32 Correct 39 ms 1656 KB Output is correct
33 Correct 37 ms 1656 KB Output is correct
34 Correct 41 ms 1528 KB Output is correct
35 Correct 38 ms 1656 KB Output is correct
36 Correct 39 ms 1656 KB Output is correct
37 Correct 137 ms 3064 KB Output is correct
38 Correct 138 ms 3064 KB Output is correct
39 Incorrect 207 ms 3428 KB Output isn't correct
40 Halted 0 ms 0 KB -