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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. void solve() {
  6.     string s;
  7.     cin >> s;
  8.     int n = s.size();
  9.  
  10.     if (n == 1 && s == "*") {
  11.         cout << 1 << endl;
  12.         return;
  13.     }
  14.  
  15.     bool infi = false;
  16.     for (int i = 0; i < n - 1; i++) {
  17.         if (s[i] != '<' && s[i + 1] != '>') {
  18.             infi = true;
  19.             break;
  20.         }
  21.     }
  22.  
  23.     if (infi) {
  24.         cout << -1 << endl;
  25.         return;
  26.     }
  27.  
  28.     int k = 0; 
  29.     while (k < n && s[k] == '<') {
  30.         k++;
  31.     }
  32.  
  33.     int m = 0; 
  34.     while (m < n && s[n - 1 - m] == '>') {
  35.         m++;
  36.     }
  37.  
  38.     cout << max(k, m) << endl;
  39. }
  40.  
  41. int main() {
  42.     ios_base::sync_with_stdio(false);
  43.     cin.tie(NULL);
  44.  
  45.     int t;
  46.     cin >> t;
  47.     while (t--) {
  48.         solve();
  49.     }
  50.     return 0;
  51. }
Success #stdin #stdout 0.01s 5324KB
comments (?)
stdin 
3
>*>>
<<*>>
**
stdout 
-1
2
-1
https://ideone.com/Nf4qh8
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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