oj.uz

Submission #922898

# Submission time Handle Problem Language Result Execution time Memory
922898 2024-02-06T09:06:11 Z penguin133 Bootfall (IZhO17_bootfall) C++17
28 / 100
 712 ms 3404 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

bitset <101*101*2>dp[505], dp2[505];
int n, A[505];
const int os = 100 * 100;

bool chk(int a, int b){
	if(os - a - b >= 0 && dp[n & 1][os - a - b])return 1;
	if(os - a + b >= 0 && os - a + b <= 2 * os && dp[n & 1][os - a + b])return 1;
	if(os + a - b >= 0 && os + a - b <= 2 * os && dp[n & 1][os + a - b])return 1;
	if(os + a + b <= 2 * os && dp[n & 1][os + a + b])return 1;
	return 0;
}

void solve(){
	cin >> n;
	for(int i = 1; i <= n; i++)cin >> A[i];
	//for(int i = 0; i <= 2 * os; i++)dp[0][i] = 0
	dp[0][os] = dp2[n + 1][os] = 1;
	for(int i = 1; i <= n; i++){
		dp[i] |= (dp[i - 1] >> A[i]);
		dp[i] |= (dp[i - 1] << A[i]);
	}
	for(int i = n; i >= 1; i--){
		dp2[i] |= (dp2[i + 1] >> A[i]);
		dp2[i] |= (dp2[i + 1] << A[i]);
	}
	if(!dp[n][os]){
		cout << 0;
		return;
	}
	set <int> s;
	for(int i = 1; i <= os; i++)s.insert(i);
	for(int i = 1; i <= n; i++){
		bitset <101*101*2> tmp = dp[i - 1], tmp2;
		for(int j = 0; j <= os; j++){
			if(dp2[i + 1][os - j] || dp2[i + 1][os + j]){
				if(1)tmp2 |= (tmp >> j), tmp2 |= (tmp << j);
			}
		}
		if(i == 2){
			//for(int j = 0; j <= os * 2; j++)if(tmp2[j])cout << j - os << ' ';
			//cout << '\n';
		}
		for(int j = 0; j <= os; j++)if(!tmp2[os - j] && !tmp2[os + j])s.erase(j);
	}
	cout << (int)s.size() << '\n';
	for(auto i : s)cout << i << ' ';
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

bootfall.cpp:62:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   62 | main(){
      | ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2904 KB Output is correct
2 Correct 2 ms 2904 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 4 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2904 KB Output is correct
2 Correct 2 ms 2904 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 4 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct
10 Correct 4 ms 2904 KB Output is correct
11 Correct 5 ms 2908 KB Output is correct
12 Correct 5 ms 2920 KB Output is correct
13 Correct 5 ms 2908 KB Output is correct
14 Correct 6 ms 2908 KB Output is correct
15 Correct 5 ms 2908 KB Output is correct
16 Correct 6 ms 2908 KB Output is correct
17 Correct 4 ms 2908 KB Output is correct
18 Correct 5 ms 2908 KB Output is correct
19 Correct 5 ms 2908 KB Output is correct
20 Correct 4 ms 3068 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2904 KB Output is correct
2 Correct 2 ms 2904 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 4 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct
10 Correct 4 ms 2904 KB Output is correct
11 Correct 5 ms 2908 KB Output is correct
12 Correct 5 ms 2920 KB Output is correct
13 Correct 5 ms 2908 KB Output is correct
14 Correct 6 ms 2908 KB Output is correct
15 Correct 5 ms 2908 KB Output is correct
16 Correct 6 ms 2908 KB Output is correct
17 Correct 4 ms 2908 KB Output is correct
18 Correct 5 ms 2908 KB Output is correct
19 Correct 5 ms 2908 KB Output is correct
20 Correct 4 ms 3068 KB Output is correct
21 Correct 57 ms 2908 KB Output is correct
22 Correct 69 ms 2904 KB Output is correct
23 Correct 34 ms 3096 KB Output is correct
24 Correct 122 ms 3152 KB Output is correct
25 Correct 134 ms 3140 KB Output is correct
26 Correct 156 ms 3160 KB Output is correct
27 Correct 112 ms 3160 KB Output is correct
28 Correct 87 ms 3160 KB Output is correct
29 Correct 82 ms 3164 KB Output is correct
30 Correct 131 ms 3404 KB Output is correct
31 Correct 183 ms 3164 KB Output is correct
32 Correct 123 ms 3160 KB Output is correct
33 Correct 13 ms 3164 KB Output is correct
34 Correct 13 ms 3164 KB Output is correct
35 Correct 76 ms 3164 KB Output is correct
36 Correct 128 ms 2908 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2904 KB Output is correct
2 Correct 2 ms 2904 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 4 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct
10 Correct 4 ms 2904 KB Output is correct
11 Correct 5 ms 2908 KB Output is correct
12 Correct 5 ms 2920 KB Output is correct
13 Correct 5 ms 2908 KB Output is correct
14 Correct 6 ms 2908 KB Output is correct
15 Correct 5 ms 2908 KB Output is correct
16 Correct 6 ms 2908 KB Output is correct
17 Correct 4 ms 2908 KB Output is correct
18 Correct 5 ms 2908 KB Output is correct
19 Correct 5 ms 2908 KB Output is correct
20 Correct 4 ms 3068 KB Output is correct
21 Correct 57 ms 2908 KB Output is correct
22 Correct 69 ms 2904 KB Output is correct
23 Correct 34 ms 3096 KB Output is correct
24 Correct 122 ms 3152 KB Output is correct
25 Correct 134 ms 3140 KB Output is correct
26 Correct 156 ms 3160 KB Output is correct
27 Correct 112 ms 3160 KB Output is correct
28 Correct 87 ms 3160 KB Output is correct
29 Correct 82 ms 3164 KB Output is correct
30 Correct 131 ms 3404 KB Output is correct
31 Correct 183 ms 3164 KB Output is correct
32 Correct 123 ms 3160 KB Output is correct
33 Correct 13 ms 3164 KB Output is correct
34 Correct 13 ms 3164 KB Output is correct
35 Correct 76 ms 3164 KB Output is correct
36 Correct 128 ms 2908 KB Output is correct
37 Incorrect 712 ms 3140 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2904 KB Output is correct
2 Correct 2 ms 2904 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 4 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct
10 Correct 4 ms 2904 KB Output is correct
11 Correct 5 ms 2908 KB Output is correct
12 Correct 5 ms 2920 KB Output is correct
13 Correct 5 ms 2908 KB Output is correct
14 Correct 6 ms 2908 KB Output is correct
15 Correct 5 ms 2908 KB Output is correct
16 Correct 6 ms 2908 KB Output is correct
17 Correct 4 ms 2908 KB Output is correct
18 Correct 5 ms 2908 KB Output is correct
19 Correct 5 ms 2908 KB Output is correct
20 Correct 4 ms 3068 KB Output is correct
21 Correct 57 ms 2908 KB Output is correct
22 Correct 69 ms 2904 KB Output is correct
23 Correct 34 ms 3096 KB Output is correct
24 Correct 122 ms 3152 KB Output is correct
25 Correct 134 ms 3140 KB Output is correct
26 Correct 156 ms 3160 KB Output is correct
27 Correct 112 ms 3160 KB Output is correct
28 Correct 87 ms 3160 KB Output is correct
29 Correct 82 ms 3164 KB Output is correct
30 Correct 131 ms 3404 KB Output is correct
31 Correct 183 ms 3164 KB Output is correct
32 Correct 123 ms 3160 KB Output is correct
33 Correct 13 ms 3164 KB Output is correct
34 Correct 13 ms 3164 KB Output is correct
35 Correct 76 ms 3164 KB Output is correct
36 Correct 128 ms 2908 KB Output is correct
37 Incorrect 712 ms 3140 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2904 KB Output is correct
2 Correct 2 ms 2904 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 4 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 6 ms 2908 KB Output is correct
9 Correct 3 ms 2908 KB Output is correct
10 Correct 4 ms 2904 KB Output is correct
11 Correct 5 ms 2908 KB Output is correct
12 Correct 5 ms 2920 KB Output is correct
13 Correct 5 ms 2908 KB Output is correct
14 Correct 6 ms 2908 KB Output is correct
15 Correct 5 ms 2908 KB Output is correct
16 Correct 6 ms 2908 KB Output is correct
17 Correct 4 ms 2908 KB Output is correct
18 Correct 5 ms 2908 KB Output is correct
19 Correct 5 ms 2908 KB Output is correct
20 Correct 4 ms 3068 KB Output is correct
21 Correct 57 ms 2908 KB Output is correct
22 Correct 69 ms 2904 KB Output is correct
23 Correct 34 ms 3096 KB Output is correct
24 Correct 122 ms 3152 KB Output is correct
25 Correct 134 ms 3140 KB Output is correct
26 Correct 156 ms 3160 KB Output is correct
27 Correct 112 ms 3160 KB Output is correct
28 Correct 87 ms 3160 KB Output is correct
29 Correct 82 ms 3164 KB Output is correct
30 Correct 131 ms 3404 KB Output is correct
31 Correct 183 ms 3164 KB Output is correct
32 Correct 123 ms 3160 KB Output is correct
33 Correct 13 ms 3164 KB Output is correct
34 Correct 13 ms 3164 KB Output is correct
35 Correct 76 ms 3164 KB Output is correct
36 Correct 128 ms 2908 KB Output is correct
37 Incorrect 712 ms 3140 KB Output isn't correct
38 Halted 0 ms 0 KB -