constants data-types pointers variables input-output pointers-and-arrays header-files typecasting manipulators control-structures if-else-statements control-str operater refrence-variable switch-case-statements for-while-dowhile-loops break-continue-statements structures-union-enum-cpp functions-cpp call-by-value-and-call-by-reference

directions radius distance-calculation arithmetic-operators logical-operators rational students-marks roots-of-equation celsius-to-fahrenheit fahrenheit-to-celsius netsalary sqrt-root for-while-dowhile-loops