Submission #405972

# Submission time Handle Problem Language Result Execution time Memory
405972 2021-05-17T05:58:36 Z codebuster_10 Bootfall (IZhO17_bootfall) C++17
65 / 100
1000 ms 836 KB
#include <bits/stdc++.h>

using namespace std ;

#define int int64_t //be careful about this 
#define endl "\n"
#define f(i,a,b) for(int i=int(a);i<int(b);++i)

#define pr pair
#define ar array
#define fr first
#define sc second
#define vt vector
#define pb push_back
#define eb emplace_back
#define LB lower_bound  
#define UB upper_bound
#define PQ priority_queue

#define sz(x) ((int)(x).size())
#define all(a) (a).begin(),(a).end()
#define allr(a) (a).rbegin(),(a).rend()
#define mem0(a) memset(a, 0, sizeof(a))
#define mem1(a) memset(a, -1, sizeof(a))

template<class A> void rd(vt<A>& v);
template<class T> void rd(T& x){ cin >> x; }
template<class H, class... T> void rd(H& h, T&... t) { rd(h) ; rd(t...) ;}
template<class A> void rd(vt<A>& x) { for(auto& a : x) rd(a) ;}

template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }

template<typename T>
void __p(T a) {
  cout<<a; 
}
template<typename T, typename F>
void __p(pair<T, F> a) {
  cout<<"{";
  __p(a.first);
  cout<<",";
  __p(a.second);
  cout<<"}\n"; 
}
template<typename T>
void __p(std::vector<T> a) {
  cout<<"{";
  for(auto it=a.begin(); it<a.end(); it++)
    __p(*it),cout<<",}\n"[it+1==a.end()]; 
}
template<typename T, typename ...Arg>
void __p(T a1, Arg ...a) {
  __p(a1);
  __p(a...);
}
template<typename Arg1>
void __f(const char *name, Arg1 &&arg1) {
  cout<<name<<" : ";
  __p(arg1);
  cout<<endl;
}
template<typename Arg1, typename ... Args>
void __f(const char *names, Arg1 &&arg1, Args &&... args) {
  int bracket=0,i=0;
  for(;; i++)
    if(names[i]==','&&bracket==0)
      break;
    else if(names[i]=='(')
      bracket++;
    else if(names[i]==')')
      bracket--;
  const char *comma=names+i;
  cout.write(names,comma-names)<<" : ";
  __p(arg1);
  cout<<" | ";
  __f(comma+1,args...);
}

void setIO(string s = "") {
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); 
  cin.exceptions(cin.failbit); 
	cout.precision(15);	cout << fixed;
  #ifdef ONLINE_JUDGE
  if(sz(s)){
  	freopen((s+".in").c_str(),"r",stdin);
  	freopen((s+".out").c_str(),"w",stdout);
  }
  #define __f(...) 0
  #endif
}
const int N = 500 + 1;
bitset<N*N> ans, EMPTY, now, is, can, check;
signed main(){
  setIO() ;
  int n; rd(n);
  vt<int> a(n);
  for(auto& i : a) cin >> i;
  int total = accumulate(all(a),0);
  
  {
  	check[0] = true;
  	for(auto i : a){
  		check |= check << i;
  	}
  	if(total%2 == 1 || !check[total/2]){
  		cout << 0; exit(0);
  	}
  }
  
  for(int i = 0; i < N*N; ++i){
  	ans[i] = true;	
  }
  
  is[0] = true;
  for(int i = 0; i < n; ++i){
  	now = is;
  	for(int j = i+1; j < n; ++j){
  		now |= now << a[j];
  	}	
  	int sum = total - a[i];
  	can = EMPTY;
  	for(int i = 0; i < N*N; ++i){
  		if(now[i]){
  			int j = abs(2*i - sum);
  			can[j] = true;
  		}
  	}
  	ans &= can;
  	is |= is << a[i];
  }
  cout << int(ans.count()) << endl;
  for(int i = 0; i < N*N; ++i){
  	if(ans[i]) cout << i << ' ' ;	
  }
}
 
# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 460 KB Output is correct
7 Correct 4 ms 460 KB Output is correct
8 Correct 6 ms 524 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 460 KB Output is correct
7 Correct 4 ms 460 KB Output is correct
8 Correct 6 ms 524 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 14 ms 528 KB Output is correct
11 Correct 16 ms 460 KB Output is correct
12 Correct 15 ms 528 KB Output is correct
13 Correct 12 ms 528 KB Output is correct
14 Correct 13 ms 528 KB Output is correct
15 Correct 13 ms 524 KB Output is correct
16 Correct 15 ms 460 KB Output is correct
17 Correct 8 ms 460 KB Output is correct
18 Correct 11 ms 524 KB Output is correct
19 Correct 12 ms 532 KB Output is correct
20 Correct 15 ms 528 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 460 KB Output is correct
7 Correct 4 ms 460 KB Output is correct
8 Correct 6 ms 524 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 14 ms 528 KB Output is correct
11 Correct 16 ms 460 KB Output is correct
12 Correct 15 ms 528 KB Output is correct
13 Correct 12 ms 528 KB Output is correct
14 Correct 13 ms 528 KB Output is correct
15 Correct 13 ms 524 KB Output is correct
16 Correct 15 ms 460 KB Output is correct
17 Correct 8 ms 460 KB Output is correct
18 Correct 11 ms 524 KB Output is correct
19 Correct 12 ms 532 KB Output is correct
20 Correct 15 ms 528 KB Output is correct
21 Correct 42 ms 508 KB Output is correct
22 Correct 53 ms 580 KB Output is correct
23 Correct 30 ms 520 KB Output is correct
24 Correct 74 ms 460 KB Output is correct
25 Correct 74 ms 580 KB Output is correct
26 Correct 86 ms 460 KB Output is correct
27 Correct 82 ms 508 KB Output is correct
28 Correct 98 ms 520 KB Output is correct
29 Correct 81 ms 460 KB Output is correct
30 Correct 81 ms 508 KB Output is correct
31 Correct 85 ms 508 KB Output is correct
32 Correct 82 ms 596 KB Output is correct
33 Correct 83 ms 520 KB Output is correct
34 Correct 79 ms 460 KB Output is correct
35 Correct 83 ms 460 KB Output is correct
36 Correct 82 ms 520 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 460 KB Output is correct
7 Correct 4 ms 460 KB Output is correct
8 Correct 6 ms 524 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 14 ms 528 KB Output is correct
11 Correct 16 ms 460 KB Output is correct
12 Correct 15 ms 528 KB Output is correct
13 Correct 12 ms 528 KB Output is correct
14 Correct 13 ms 528 KB Output is correct
15 Correct 13 ms 524 KB Output is correct
16 Correct 15 ms 460 KB Output is correct
17 Correct 8 ms 460 KB Output is correct
18 Correct 11 ms 524 KB Output is correct
19 Correct 12 ms 532 KB Output is correct
20 Correct 15 ms 528 KB Output is correct
21 Correct 42 ms 508 KB Output is correct
22 Correct 53 ms 580 KB Output is correct
23 Correct 30 ms 520 KB Output is correct
24 Correct 74 ms 460 KB Output is correct
25 Correct 74 ms 580 KB Output is correct
26 Correct 86 ms 460 KB Output is correct
27 Correct 82 ms 508 KB Output is correct
28 Correct 98 ms 520 KB Output is correct
29 Correct 81 ms 460 KB Output is correct
30 Correct 81 ms 508 KB Output is correct
31 Correct 85 ms 508 KB Output is correct
32 Correct 82 ms 596 KB Output is correct
33 Correct 83 ms 520 KB Output is correct
34 Correct 79 ms 460 KB Output is correct
35 Correct 83 ms 460 KB Output is correct
36 Correct 82 ms 520 KB Output is correct
37 Correct 268 ms 504 KB Output is correct
38 Correct 267 ms 508 KB Output is correct
39 Correct 397 ms 508 KB Output is correct
40 Correct 465 ms 520 KB Output is correct
41 Correct 449 ms 516 KB Output is correct
42 Correct 404 ms 508 KB Output is correct
43 Correct 409 ms 652 KB Output is correct
44 Correct 481 ms 648 KB Output is correct
45 Correct 425 ms 648 KB Output is correct
46 Correct 446 ms 512 KB Output is correct
47 Correct 398 ms 580 KB Output is correct
48 Correct 408 ms 512 KB Output is correct
49 Correct 415 ms 608 KB Output is correct
50 Correct 406 ms 508 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 485 ms 636 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 460 KB Output is correct
7 Correct 4 ms 460 KB Output is correct
8 Correct 6 ms 524 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 14 ms 528 KB Output is correct
11 Correct 16 ms 460 KB Output is correct
12 Correct 15 ms 528 KB Output is correct
13 Correct 12 ms 528 KB Output is correct
14 Correct 13 ms 528 KB Output is correct
15 Correct 13 ms 524 KB Output is correct
16 Correct 15 ms 460 KB Output is correct
17 Correct 8 ms 460 KB Output is correct
18 Correct 11 ms 524 KB Output is correct
19 Correct 12 ms 532 KB Output is correct
20 Correct 15 ms 528 KB Output is correct
21 Correct 42 ms 508 KB Output is correct
22 Correct 53 ms 580 KB Output is correct
23 Correct 30 ms 520 KB Output is correct
24 Correct 74 ms 460 KB Output is correct
25 Correct 74 ms 580 KB Output is correct
26 Correct 86 ms 460 KB Output is correct
27 Correct 82 ms 508 KB Output is correct
28 Correct 98 ms 520 KB Output is correct
29 Correct 81 ms 460 KB Output is correct
30 Correct 81 ms 508 KB Output is correct
31 Correct 85 ms 508 KB Output is correct
32 Correct 82 ms 596 KB Output is correct
33 Correct 83 ms 520 KB Output is correct
34 Correct 79 ms 460 KB Output is correct
35 Correct 83 ms 460 KB Output is correct
36 Correct 82 ms 520 KB Output is correct
37 Correct 268 ms 504 KB Output is correct
38 Correct 267 ms 508 KB Output is correct
39 Correct 397 ms 508 KB Output is correct
40 Correct 465 ms 520 KB Output is correct
41 Correct 449 ms 516 KB Output is correct
42 Correct 404 ms 508 KB Output is correct
43 Correct 409 ms 652 KB Output is correct
44 Correct 481 ms 648 KB Output is correct
45 Correct 425 ms 648 KB Output is correct
46 Correct 446 ms 512 KB Output is correct
47 Correct 398 ms 580 KB Output is correct
48 Correct 408 ms 512 KB Output is correct
49 Correct 415 ms 608 KB Output is correct
50 Correct 406 ms 508 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 485 ms 636 KB Output is correct
53 Correct 575 ms 524 KB Output is correct
54 Correct 779 ms 640 KB Output is correct
55 Correct 777 ms 772 KB Output is correct
56 Correct 596 ms 644 KB Output is correct
57 Correct 810 ms 836 KB Output is correct
58 Correct 768 ms 636 KB Output is correct
59 Correct 802 ms 652 KB Output is correct
60 Correct 5 ms 332 KB Output is correct
61 Correct 824 ms 640 KB Output is correct
62 Correct 696 ms 776 KB Output is correct
63 Correct 717 ms 836 KB Output is correct
64 Correct 664 ms 772 KB Output is correct
65 Correct 603 ms 584 KB Output is correct
66 Correct 582 ms 516 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 4 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 6 ms 460 KB Output is correct
6 Correct 4 ms 460 KB Output is correct
7 Correct 4 ms 460 KB Output is correct
8 Correct 6 ms 524 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 14 ms 528 KB Output is correct
11 Correct 16 ms 460 KB Output is correct
12 Correct 15 ms 528 KB Output is correct
13 Correct 12 ms 528 KB Output is correct
14 Correct 13 ms 528 KB Output is correct
15 Correct 13 ms 524 KB Output is correct
16 Correct 15 ms 460 KB Output is correct
17 Correct 8 ms 460 KB Output is correct
18 Correct 11 ms 524 KB Output is correct
19 Correct 12 ms 532 KB Output is correct
20 Correct 15 ms 528 KB Output is correct
21 Correct 42 ms 508 KB Output is correct
22 Correct 53 ms 580 KB Output is correct
23 Correct 30 ms 520 KB Output is correct
24 Correct 74 ms 460 KB Output is correct
25 Correct 74 ms 580 KB Output is correct
26 Correct 86 ms 460 KB Output is correct
27 Correct 82 ms 508 KB Output is correct
28 Correct 98 ms 520 KB Output is correct
29 Correct 81 ms 460 KB Output is correct
30 Correct 81 ms 508 KB Output is correct
31 Correct 85 ms 508 KB Output is correct
32 Correct 82 ms 596 KB Output is correct
33 Correct 83 ms 520 KB Output is correct
34 Correct 79 ms 460 KB Output is correct
35 Correct 83 ms 460 KB Output is correct
36 Correct 82 ms 520 KB Output is correct
37 Correct 268 ms 504 KB Output is correct
38 Correct 267 ms 508 KB Output is correct
39 Correct 397 ms 508 KB Output is correct
40 Correct 465 ms 520 KB Output is correct
41 Correct 449 ms 516 KB Output is correct
42 Correct 404 ms 508 KB Output is correct
43 Correct 409 ms 652 KB Output is correct
44 Correct 481 ms 648 KB Output is correct
45 Correct 425 ms 648 KB Output is correct
46 Correct 446 ms 512 KB Output is correct
47 Correct 398 ms 580 KB Output is correct
48 Correct 408 ms 512 KB Output is correct
49 Correct 415 ms 608 KB Output is correct
50 Correct 406 ms 508 KB Output is correct
51 Correct 4 ms 332 KB Output is correct
52 Correct 485 ms 636 KB Output is correct
53 Correct 575 ms 524 KB Output is correct
54 Correct 779 ms 640 KB Output is correct
55 Correct 777 ms 772 KB Output is correct
56 Correct 596 ms 644 KB Output is correct
57 Correct 810 ms 836 KB Output is correct
58 Correct 768 ms 636 KB Output is correct
59 Correct 802 ms 652 KB Output is correct
60 Correct 5 ms 332 KB Output is correct
61 Correct 824 ms 640 KB Output is correct
62 Correct 696 ms 776 KB Output is correct
63 Correct 717 ms 836 KB Output is correct
64 Correct 664 ms 772 KB Output is correct
65 Correct 603 ms 584 KB Output is correct
66 Correct 582 ms 516 KB Output is correct
67 Correct 992 ms 640 KB Output is correct
68 Correct 7 ms 332 KB Output is correct
69 Execution timed out 1089 ms 404 KB Time limit exceeded
70 Halted 0 ms 0 KB -