/in/foo.cc: In function 'std::vector<int> getDigits(char)':
/in/foo.cc:18:19: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   18 |     if (ch >= 'A' && ch <= 'D' || ch == 'G' || ch == 'J' || ch == 'M' || ch == 'P' || ch == 'S' || ch == 'V' || ch == 'Y') {
      |         ~~~~~~~~~~^~~~~~~~~~~~
/in/foo.cc:20:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |     } else if (ch >= 'B' && ch <= 'E' || ch == 'H' || ch == 'K' || ch == 'N' || ch == 'Q' || ch == 'T' || ch == 'W' || ch == 'Z') {
      |                ~~~~~~~~~~^~~~~~~~~~~~
/in/foo.cc:22:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   22 |     } else if (ch >= 'C' && ch <= 'F' || ch == 'I' || ch == 'L' || ch == 'O' || ch == 'R' || ch == 'U' || ch == 'X') {
      |                ~~~~~~~~~~^~~~~~~~~~~~