Adv C

Adv C

Question:Factorial program in c using for loop 
Answer#include<stdio.h>
int main(){
  int i,f=1,num;

  printf("Enter a number: ");
  scanf("%d",&num);

  for(i=1;i<=num;i++)
      f=f*i;

  printf("Factorial of %d is: %d",num,f);
  return 0;
}

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Question:Factorial program in c using pointers 
Answer#include<stdio.h>

void findFactorial(int,int *);
int main(){
  int i,factorial,num;

  printf("Enter a number: ");
  scanf("%d",&num);

  findFactorial(num,&factorial);
  printf("Factorial of %d is: %d",num,*factorial);

  return 0;
}

void findFactorial(int num,int *factorial){
    int i;

    *factorial =1;

    for(i=1;i<=num;i++)
      *factorial=*factorial*i;
}

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Question:Factorial program in c using function 
Answer#include<stdio.h>

int findFactorial(int);
int main(){
  int i,factorial,num;

  printf("Enter a number: ");
  scanf("%d",&num);

  factorial = findFactorial(num);
  printf("Factorial of %d is: %d",num,factorial);

  return 0;
}

int findFactorial(int num){
    int i,f=1;

    for(i=1;i<=num;i++)
      f=f*i;

     return f;
}Sample output:
Enter a number: 8
Factorial of 8 is: 40320

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Question:Factorial series in c 
Answer#include<stdio.h>
int main(){
  long f=1;
  int i,num,min,max;

  printf("Enter the minimum range: ");
  scanf("%d",&min);

  printf("Enter the maximum range: ");
  scanf("%d",&max);

  printf("Factorial series in given range: ");
  for(num=min;num<=max;num++){
    f=1;

    for(i=1;i<=num;i++)
      f=f*i;

    printf("%ld ",f);
  }

  return 0;
}Sample output:
Enter the minimum range: 1
Enter the maximum range: 10
Factorial series in given range: 1 2 6 24 120 720 5040 40320 362880 3628800

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Question:Write a c program to print Floyd’s triangle 
Answer#include<stdio.h>

int main(){

  int i,j,r,k=1;

  printf("Enter the range: ");
  scanf("%d",&r);

  printf("FLOYD'S TRIANGLE\n\n");
  for(i=1;i<=r;i++){
      for(j=1;j<=i;j++,k++)
           printf(" %d",k);
      printf("\n");
  }

  return 0;
}Sample output:
Enter the range: 10
FLOYD'S TRIANGLE

 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 27 28
 29 30 31 32 33 34 35 36
 37 38 39 40 41 42 43 44 45
 46 47 48 49 50 51 52 53 54 55

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