oj.uz

Submission #92739

# Submission time Handle Problem Language Result Execution time Memory
92739 2019-01-04T12:21:25 Z janchomath Bootfall (IZhO17_bootfall) C++14
13 / 100
 1000 ms 504 KB 
#include<bits/stdc++.h>
#define ll int
#define f first
#define s second
#define pb push_back
using namespace std;
ll n,a[20005],dp[20005],sum,s,oo,x;
vector<ll>anss,v;
bool check(ll k){
	v.clear();
	
	s = 0;
	
	for(int i=1; i<=n; i++)if(i != k)v.pb(a[i]),s += a[i];
	if(s % 2 == 1)return false;
	
	for(int i=1; i<=s; i++)dp[i] = 0;
	dp[0] = 1;
	for(int i=0; i<v.size(); i++){
		for(int j=s; j>=0; j--){
			dp[j + v[i]] = max(dp[j],dp[j + v[i]]);
			if(dp[j + v[i]] && j + v[i] == s/2){
				return true;
			}
		}
	}
	
	return false;
	
}
int main(){
	std::ios::sync_with_stdio(false);
	
	cin >> n;
	
	for(int i=1; i<=n; i++){
		cin >> a[i];
		sum += a[i];
	}
	
	n++;
	
	for(x=1; x<=sum; x++){
		
		a[n] = x;
		
		oo = 0;
		
		for(int i=1; i<=n; i++){
			if(!check(i)){
				oo = 1;
				break;
			}
		}
		
		if(!oo){
			anss.pb(x);
		}
		
	}
	
	
	cout << anss.size() << endl;
	
	for(int i=0; i<anss.size(); i++)cout << anss[i] << " ";
	
	
	
	
	return 0;
}

Compilation message

bootfall.cpp: In function 'bool check(int)':
bootfall.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<v.size(); i++){
               ~^~~~~~~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:65:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<anss.size(); i++)cout << anss[i] << " ";
               ~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 64 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 114 ms 504 KB Output is correct
9 Correct 6 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 64 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 114 ms 504 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 504 KB Output is correct
11 Correct 49 ms 376 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 62 ms 376 KB Output is correct
15 Correct 36 ms 376 KB Output is correct
16 Correct 56 ms 376 KB Output is correct
17 Correct 12 ms 376 KB Output is correct
18 Correct 34 ms 376 KB Output is correct
19 Correct 24 ms 376 KB Output is correct
20 Correct 31 ms 376 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 64 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 114 ms 504 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 504 KB Output is correct
11 Correct 49 ms 376 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 62 ms 376 KB Output is correct
15 Correct 36 ms 376 KB Output is correct
16 Correct 56 ms 376 KB Output is correct
17 Correct 12 ms 376 KB Output is correct
18 Correct 34 ms 376 KB Output is correct
19 Correct 24 ms 376 KB Output is correct
20 Correct 31 ms 376 KB Output is correct
21 Execution timed out 1085 ms 376 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 64 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 114 ms 504 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 504 KB Output is correct
11 Correct 49 ms 376 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 62 ms 376 KB Output is correct
15 Correct 36 ms 376 KB Output is correct
16 Correct 56 ms 376 KB Output is correct
17 Correct 12 ms 376 KB Output is correct
18 Correct 34 ms 376 KB Output is correct
19 Correct 24 ms 376 KB Output is correct
20 Correct 31 ms 376 KB Output is correct
21 Execution timed out 1085 ms 376 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 64 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 114 ms 504 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 504 KB Output is correct
11 Correct 49 ms 376 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 62 ms 376 KB Output is correct
15 Correct 36 ms 376 KB Output is correct
16 Correct 56 ms 376 KB Output is correct
17 Correct 12 ms 376 KB Output is correct
18 Correct 34 ms 376 KB Output is correct
19 Correct 24 ms 376 KB Output is correct
20 Correct 31 ms 376 KB Output is correct
21 Execution timed out 1085 ms 376 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 64 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 114 ms 504 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 504 KB Output is correct
11 Correct 49 ms 376 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 4 ms 376 KB Output is correct
14 Correct 62 ms 376 KB Output is correct
15 Correct 36 ms 376 KB Output is correct
16 Correct 56 ms 376 KB Output is correct
17 Correct 12 ms 376 KB Output is correct
18 Correct 34 ms 376 KB Output is correct
19 Correct 24 ms 376 KB Output is correct
20 Correct 31 ms 376 KB Output is correct
21 Execution timed out 1085 ms 376 KB Time limit exceeded
22 Halted 0 ms 0 KB -