return type of function
return type of function:-
(3). With argument- without return:-
In this type, function takes argument but does not return any value.
#include<stdio.h> void sum(int,int); int main() { int a,b; printf("Enter the value of a and b"); scanf("%d%d",&a,&b); sum(a,b); // function calling return 0; } // End of main function // function definition of sum void sum(int x,int y) //where x and y are formal argument { int z; z=x+y; printf("sum of a and b is %d",z); }
output:-
Enter the value of a and b 10 5 sum is 15
(4). without argument- without return:-
In this type, function does not takes any argument and does not return any value.
#include<stdio.h> // Global declaration of sum void sum(void); int main() { sum(); // function calling return 0; } // End of main function // function definition of sum void sum(void) //where x and y are formal argument { int x,y,z; printf("Enter the value of x and y"); scanf("%d%d",&x,&y); z=x+y; printf("sum of %d and %d is %d",x,y,z); }
output:-
Enter the value of x and y 10 5 sum of 10 and 5 is 15
Practice question based on return type of function:-
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1) Write a function to calculate factorial of a number.(Takes Something, Returns Something).
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2) Write a function to calculate area of a circle.(Takes Something, Returns Something)
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