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Submission #682445

# Submission time Handle Problem Language Result Execution time Memory
682445 2023-01-16T08:57:56 Z iskhakkutbilim Bootfall (IZhO17_bootfall) C++14
28 / 100
 1000 ms 2124 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 <= sum; 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 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 224 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 224 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 224 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 17 ms 392 KB Output is correct
22 Correct 26 ms 340 KB Output is correct
23 Correct 10 ms 368 KB Output is correct
24 Correct 49 ms 420 KB Output is correct
25 Correct 98 ms 536 KB Output is correct
26 Correct 116 ms 548 KB Output is correct
27 Correct 130 ms 548 KB Output is correct
28 Correct 111 ms 596 KB Output is correct
29 Correct 113 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 98 ms 496 KB Output is correct
32 Correct 64 ms 412 KB Output is correct
33 Correct 142 ms 624 KB Output is correct
34 Correct 113 ms 612 KB Output is correct
35 Correct 113 ms 596 KB Output is correct
36 Correct 53 ms 340 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 224 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 17 ms 392 KB Output is correct
22 Correct 26 ms 340 KB Output is correct
23 Correct 10 ms 368 KB Output is correct
24 Correct 49 ms 420 KB Output is correct
25 Correct 98 ms 536 KB Output is correct
26 Correct 116 ms 548 KB Output is correct
27 Correct 130 ms 548 KB Output is correct
28 Correct 111 ms 596 KB Output is correct
29 Correct 113 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 98 ms 496 KB Output is correct
32 Correct 64 ms 412 KB Output is correct
33 Correct 142 ms 624 KB Output is correct
34 Correct 113 ms 612 KB Output is correct
35 Correct 113 ms 596 KB Output is correct
36 Correct 53 ms 340 KB Output is correct
37 Correct 960 ms 816 KB Output is correct
38 Correct 921 ms 840 KB Output is correct
39 Execution timed out 1089 ms 2124 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 224 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 17 ms 392 KB Output is correct
22 Correct 26 ms 340 KB Output is correct
23 Correct 10 ms 368 KB Output is correct
24 Correct 49 ms 420 KB Output is correct
25 Correct 98 ms 536 KB Output is correct
26 Correct 116 ms 548 KB Output is correct
27 Correct 130 ms 548 KB Output is correct
28 Correct 111 ms 596 KB Output is correct
29 Correct 113 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 98 ms 496 KB Output is correct
32 Correct 64 ms 412 KB Output is correct
33 Correct 142 ms 624 KB Output is correct
34 Correct 113 ms 612 KB Output is correct
35 Correct 113 ms 596 KB Output is correct
36 Correct 53 ms 340 KB Output is correct
37 Correct 960 ms 816 KB Output is correct
38 Correct 921 ms 840 KB Output is correct
39 Execution timed out 1089 ms 2124 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 224 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 17 ms 392 KB Output is correct
22 Correct 26 ms 340 KB Output is correct
23 Correct 10 ms 368 KB Output is correct
24 Correct 49 ms 420 KB Output is correct
25 Correct 98 ms 536 KB Output is correct
26 Correct 116 ms 548 KB Output is correct
27 Correct 130 ms 548 KB Output is correct
28 Correct 111 ms 596 KB Output is correct
29 Correct 113 ms 596 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 98 ms 496 KB Output is correct
32 Correct 64 ms 412 KB Output is correct
33 Correct 142 ms 624 KB Output is correct
34 Correct 113 ms 612 KB Output is correct
35 Correct 113 ms 596 KB Output is correct
36 Correct 53 ms 340 KB Output is correct
37 Correct 960 ms 816 KB Output is correct
38 Correct 921 ms 840 KB Output is correct
39 Execution timed out 1089 ms 2124 KB Time limit exceeded
40 Halted 0 ms 0 KB -