Good String - CF

#include <iostream>
#include <cstdio>
#include <stdio.h>
#include <stack>
#include <list>
#include <vector>
#include <cmath>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <string.h>
#include <sstream>
#include <bitset>
#include <algorithm>

using namespace std;

int main()
{
  ios::sync_with_stdio(0);

  int t, n;
  string s;
  cin >> t;
  while(t--){
    cin >> n;
    cin >> s;
    int a = 0, b = 0;
    for(int i=0; i<n; ++i){
      if(s[i] == '>'){
        a = i;
        break;
      }
    }
    for(int i=n-1; i>=0; --i){
      if(s[i] == '<'){
        b = n-1-i;
        break;
      }
    }
    cout << min(a, b) << '\n';
  }
}