programming in c please give me correct answer

Accept any single capital letter alphabet and a positive integer between 1 to 10 from the user. Generate the triangular pattern out of it. The number of rows in the pattern should be equal to the integer number accepted from the user. Add appropriate validations such as the character is alphabet and capital letter. Also validate if the integer is a positive number between 1 to 10 . E.g. If character entered is ' G ', then output should be as follows