comefrom: <awangdev>Excel Sheet Column Number_1.java
code: public int titleToNumber(String s) {
          if (s == null || s.length() == 0) {
              return 0;
          }
          int count = 0;
          for (char c : s.toCharArray()) {
              int digit = c - 'A' + 1;
              count = count * 26 + digit;
          }
          return count;
      }
masked: public int sample_funcname ( String var_1 ) {
    if ( var_1 == null || var_1 . length ( ) == 0 ) {
      return 0 ;
    }
    int var_5 = 0 ;
    for ( char var_7 : var_1 . toCharArray ( ) ) {
      int var_10 = var_7 - 'A' + 1 ;
      var_5 = var_5 * 26 + var_10 ;
    }
    return var_5 ;
  }
  