whether a character intered through the keyboard is a special symbol or not

 whether a character entered through the keyboard is a special symbol or not

#include<stdio.h 

int main(){

char ch;

printf("Enter a character \n");

scanf(""%c",&ch);

((ch>=0 && ch<=47)||

(ch>=58&&ch<=64)||

(ch>=91&&ch<=96)||

(ch>=123))?

printf("character entered is a special symbol\\n):

printf("character entered is not a special symbol\\n);

return 0;

 Enter a character:  @

 character entered is a special symbol

 



 related program--

1..whether the character Entered through the keyboard is a lower case alphabet or not

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3..A certain grade of steel is graded according to following condition: (i) Hardness must be greater than 50. (ii)carbon content must be less than 0.7 (iii)Tensile strength must be greater than 5600. the grades as follows: grade is 10 if all three condition are met, Grade is 9 if conditions (i)and (ii) are met , Grade is 8 if condition (ii) and (iii) are met , Grade is 7 if condition (i) and (iii) are met, Grade is 6 if only one condition is met , Grade is 5 if none of the conditions are met . write a program which will require the user to give values of hardness , carbon content and tensile strength of the steel under consideration and output the grade of steel 

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