Factorial of a number by using user-defined functions and structures.
Following concepts are used in this program
structure
For example “factorial”.
function definition
For example;
1 2 3 4 5 | void print_factorial(factorial f) { cout<<"Display result"<<endl; cout<<"factorial of a number"<<f.num<<" "<<"is="<<f.fac; } |
function declaration
For example; “void print_factorial( factorial );”.
function Calling
For example;
1 | print_factorial( f); |
for loop
For example;
1 | for(int i=1;i<=f.num;i++) |
Source code of structures and user define functions of Factorial of a number
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | //Factorial of a number user define #include<iostream> using namespace std; struct factorial { int fac=1,num; }; void print_factorial( factorial ); int main() { factorial f; cout<<"Enter a number:"; cin>>f.num; for(int i=1;i<=f.num;i++) { f.fac=f.fac*i; } print_factorial( f); return 0; } void print_factorial(factorial f) { cout<<"Display result"<<endl; cout<<"factorial of a number"<<f.num<<" "<<"is="<<f.fac; } |
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I welcome to all of you if you want to discuss about any topic. Researchers, teachers and students are allowed to use the content for non commercial offline purpose. Further, You must use the reference of the website, if you want to use the partial content for research purpose.
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