Find the Length of and String Arry

#include
#include

void main()
{
int i;
char str[10];

printf("Enter sentence: ");
gets(str);

for(i=0;str[i]!='\0';i++)
{

}

printf("The length of the string is %d", i);
}

Find Factoral Using Recrusive Funtion

#include
int fact (int);

main()
{
int no, result;

printf("enter number:");
scanf("%d",&no);

result=fact (no);

printf("result is :%d",result);

}

fact (x)
{
int rec;

if(x==0)
return 1;

rec=x*fact(x-1);
return rec;
}

Find Factoral (normal method)

#include



void main()
{
int i,fac=1,num;

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

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


printf("%d",fac);
}

How t reverse a Int arry

# include

void main()
{

int count,i,m,x,q;
int arr[20];


printf("how many numbers u want to input???");
scanf("%d",&i);


for(m=0 ; m < i; m++ )
{
printf("Enter a number:");

scanf("%d",&arr[m]);
}


for(q=i-1;q>=0;q--)
printf("%d",arr[q]);

}

How t reverse a string and store it

//How t reverse a string and store it

#include
# include

main()

{

int i,m,n,count;
char str[10],rev_str[10];

printf("Enter a String :");
gets(str);

for(i=0;str[i]!='\0';i++)
{

}
m=i;
int y=0;
i=i-1;
for(i;i>=0;i--)
{
rev_str[y]=str[i];
y++;


}

for(i=0 ; i< m ;i++ )
printf("%c",rev_str[i]);

}