fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. #define print(a)         for(auto x : a) cout << x << " "; cout << endl
  6.  
  7.  
  8. const int M = 1000000007;
  9. const int N = 3e5+9;
  10. const int INF = 2e9+1;
  11. const int LINF = 2000000000000000001;
  12.  
  13. inline int power(int a, int b, int mod=M) {
  14.     int x = 1;
  15.     a %= mod;
  16.     while (b) {
  17.         if (b & 1) x = (x * a) % mod; 
  18.         a = (a * a) % mod;
  19.         b >>= 1;
  20.     }
  21.     return x;
  22. }
  23.  
  24.  
  25. //_ ***************************** START Below *******************************
  26.  
  27.  
  28.  
  29.  
  30.  
  31. int consistency(int n, string s){
  32. 	reverse(begin(s), end(s));
  33.  
  34. 	unordered_set<string> st;
  35. 	vector<string> state;
  36.  
  37. 	while(!s.empty()){
  38. 		st.insert(s);
  39. 		s.pop_back();
  40. 	}
  41.  
  42. 	for(auto& t : st){
  43. 		state.push_back(t);
  44. 	}
  45.  
  46. 	for(auto& t : state){
  47. 		reverse(begin(t), end(t));
  48.  
  49. 		string temp = t.substr(0, 1);
  50. 		if(t.size() == 3) temp += t.substr(2);
  51. 		reverse(begin(temp), end(temp));
  52.  
  53. 		st.insert(temp);
  54. 	}
  55.  
  56. 	int sz = st.size();
  57.  
  58. 	return sz;
  59. }
  60.  
  61.  
  62.  
  63.  
  64.  
  65.  
  66.  
  67.  
  68.  
  69.  
  70.  
  71.  
  72.  
  73.  
  74.  
  75. int practice(int n){
  76.  
  77.  
  78.     return 0;
  79. }
  80.  
  81.  
  82.  
  83.  
  84.  
  85. void solve() {
  86.  
  87.     int n;
  88.     cin>> n;
  89.  
  90.     string s;
  91. 	cin >> s;    
  92.     cout << consistency(n, s) << endl;
  93.  
  94.  
  95. }
  96.  
  97.  
  98.  
  99.  
  100.  
  101. int32_t main() {
  102.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  103.  
  104.     int t = 1;
  105.     cin >> t;
  106.     while (t--) {
  107.         solve();
  108.     }
  109.  
  110.     return 0;
  111. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
5
5
aaaaa
1
z
5
ababa
14
bcdaaaabcdaaaa
20
abcdefghijklmnopqrst
stdout
copy 
5
1
7
17
39
https://ideone.com/noyGKA
language:
C++14 (gcc 8.3)
created:
6 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!