Recursion Factorial

 #include <stdio.h>

int factorial(int n) {
    if(n==0 || n==1){
        return 1;
    }else{
       return n*factorial(n-1);
    }
}
int main() {
    int n;
    printf("Enter no.: ");
    scanf("%d", &n);
    printf("%d",factorial(n));
    return 0;
}

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