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Submission #682441

# Submission time Handle Problem Language Result Execution time Memory
682441 2023-01-16T08:54:29 Z iskhakkutbilim Bootfall (IZhO17_bootfall) C++14
28 / 100
 916 ms 668 KB 
#include <bits/stdc++.h>
using namespace std;

//#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int N = 500;
const int S =2*500 * 500;
int dp[S+1];
main(){
	int n; cin >> n;
	vector<int> a(n);
	int sum = 0, even = 0, odd = 0;
	for(int i = 0;i < n; i++){
		cin >> a[i];
		odd+= (a[i]%2==1);
		even+= (a[i]%2==0);
		sum+= a[i];
	}
	dp[0] = 1;
	for(int i = 0;i < n; i++){
		for(int s = sum/2; s >= 0; s--){
			if(s >= a[i]){
				dp[s] = max(dp[s], dp[s-a[i]]);
			}
		}
	}
	if((even > 0 and odd > 0) or sum%2 or !dp[sum/2]){
		cout << 0;
		return 0;
	}
	set<int> can;
	for(int tima = 1; tima <= 10000; tima++){
		sum+= tima;
		int ok = 1;
		for(int i = 0;i < a.size(); i++){
			if((sum-a[i])%2==1){
				ok = 0;
				break;
			}
		}
		if(ok) can.insert(tima);
		sum-= tima;
	}
	for(int i = 0;i < n; i++){
		for(int s = sum; s >= 1; s--) dp[s] = 0;
		for(int j = 0;j < n; j++){
			if(i == j) continue;
			for(int s = sum; s >= 0; s--){
				if(s>=a[j]) dp[s] = max(dp[s], dp[s-a[j]]);
			}
		}
		vector<int> del;
		for(int tima : can){
			if(!dp[(sum-a[i]+tima) / 2]) del.push_back(tima);
		}
		for(int x : del) can.erase(x);
	}
	cout << can.size() << '\n';
	for(int x : can) cout << x << ' ';
	return 0;
}

Compilation message

bootfall.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main(){
      | ^~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:37:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |   for(int i = 0;i < a.size(); i++){
      |                 ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 3 ms 468 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 17 ms 584 KB Output is correct
22 Correct 24 ms 564 KB Output is correct
23 Correct 9 ms 468 KB Output is correct
24 Correct 51 ms 576 KB Output is correct
25 Correct 94 ms 668 KB Output is correct
26 Correct 114 ms 580 KB Output is correct
27 Correct 104 ms 596 KB Output is correct
28 Correct 113 ms 596 KB Output is correct
29 Correct 123 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 88 ms 568 KB Output is correct
32 Correct 60 ms 468 KB Output is correct
33 Correct 115 ms 596 KB Output is correct
34 Correct 144 ms 624 KB Output is correct
35 Correct 121 ms 596 KB Output is correct
36 Correct 56 ms 468 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 17 ms 584 KB Output is correct
22 Correct 24 ms 564 KB Output is correct
23 Correct 9 ms 468 KB Output is correct
24 Correct 51 ms 576 KB Output is correct
25 Correct 94 ms 668 KB Output is correct
26 Correct 114 ms 580 KB Output is correct
27 Correct 104 ms 596 KB Output is correct
28 Correct 113 ms 596 KB Output is correct
29 Correct 123 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 88 ms 568 KB Output is correct
32 Correct 60 ms 468 KB Output is correct
33 Correct 115 ms 596 KB Output is correct
34 Correct 144 ms 624 KB Output is correct
35 Correct 121 ms 596 KB Output is correct
36 Correct 56 ms 468 KB Output is correct
37 Incorrect 916 ms 604 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 17 ms 584 KB Output is correct
22 Correct 24 ms 564 KB Output is correct
23 Correct 9 ms 468 KB Output is correct
24 Correct 51 ms 576 KB Output is correct
25 Correct 94 ms 668 KB Output is correct
26 Correct 114 ms 580 KB Output is correct
27 Correct 104 ms 596 KB Output is correct
28 Correct 113 ms 596 KB Output is correct
29 Correct 123 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 88 ms 568 KB Output is correct
32 Correct 60 ms 468 KB Output is correct
33 Correct 115 ms 596 KB Output is correct
34 Correct 144 ms 624 KB Output is correct
35 Correct 121 ms 596 KB Output is correct
36 Correct 56 ms 468 KB Output is correct
37 Incorrect 916 ms 604 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 2 ms 620 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 596 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 17 ms 584 KB Output is correct
22 Correct 24 ms 564 KB Output is correct
23 Correct 9 ms 468 KB Output is correct
24 Correct 51 ms 576 KB Output is correct
25 Correct 94 ms 668 KB Output is correct
26 Correct 114 ms 580 KB Output is correct
27 Correct 104 ms 596 KB Output is correct
28 Correct 113 ms 596 KB Output is correct
29 Correct 123 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 88 ms 568 KB Output is correct
32 Correct 60 ms 468 KB Output is correct
33 Correct 115 ms 596 KB Output is correct
34 Correct 144 ms 624 KB Output is correct
35 Correct 121 ms 596 KB Output is correct
36 Correct 56 ms 468 KB Output is correct
37 Incorrect 916 ms 604 KB Output isn't correct
38 Halted 0 ms 0 KB -