oj.uz

Submission #92745

# Submission time Handle Problem Language Result Execution time Memory
92745 2019-01-04T12:27:50 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;
inline 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:64:16: 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 5 ms 376 KB Output is correct
5 Correct 64 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 116 ms 428 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 5 ms 376 KB Output is correct
5 Correct 64 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 116 ms 428 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 376 KB Output is correct
11 Correct 49 ms 400 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 5 ms 504 KB Output is correct
14 Correct 60 ms 376 KB Output is correct
15 Correct 35 ms 376 KB Output is correct
16 Correct 55 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 476 KB Output is correct
20 Correct 32 ms 424 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 5 ms 376 KB Output is correct
5 Correct 64 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 116 ms 428 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 376 KB Output is correct
11 Correct 49 ms 400 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 5 ms 504 KB Output is correct
14 Correct 60 ms 376 KB Output is correct
15 Correct 35 ms 376 KB Output is correct
16 Correct 55 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 476 KB Output is correct
20 Correct 32 ms 424 KB Output is correct
21 Execution timed out 1082 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 5 ms 376 KB Output is correct
5 Correct 64 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 116 ms 428 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 376 KB Output is correct
11 Correct 49 ms 400 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 5 ms 504 KB Output is correct
14 Correct 60 ms 376 KB Output is correct
15 Correct 35 ms 376 KB Output is correct
16 Correct 55 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 476 KB Output is correct
20 Correct 32 ms 424 KB Output is correct
21 Execution timed out 1082 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 5 ms 376 KB Output is correct
5 Correct 64 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 116 ms 428 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 376 KB Output is correct
11 Correct 49 ms 400 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 5 ms 504 KB Output is correct
14 Correct 60 ms 376 KB Output is correct
15 Correct 35 ms 376 KB Output is correct
16 Correct 55 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 476 KB Output is correct
20 Correct 32 ms 424 KB Output is correct
21 Execution timed out 1082 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 5 ms 376 KB Output is correct
5 Correct 64 ms 380 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 116 ms 428 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 28 ms 376 KB Output is correct
11 Correct 49 ms 400 KB Output is correct
12 Correct 9 ms 376 KB Output is correct
13 Correct 5 ms 504 KB Output is correct
14 Correct 60 ms 376 KB Output is correct
15 Correct 35 ms 376 KB Output is correct
16 Correct 55 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 476 KB Output is correct
20 Correct 32 ms 424 KB Output is correct
21 Execution timed out 1082 ms 376 KB Time limit exceeded
22 Halted 0 ms 0 KB -