InfixToPostfixAndPrefix

Infix notation to Postfix & Prefix - Binary Trees:

1. Insert the infix expression without space, e.g. 5*(((79)-(87))*4)/7.\n");
2. Give the negative numbers with this format (-number), e.g. 5*(-7).\n");
3. This program supports only these operators: ^, *, /, ~, +, -, =.\n");
4. Output format use parentheses with singed number and operators, e.g. (+5) (-7) (*).\n"); All other formats are not supported and appear respectively error messages as the case.\n\n");

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