Wap in c to print the factorial of a number

 #include<stdio.h>

int main()

{

int i,f=1;

printf("Enter a number\n");

scanf("%d",&n);

for(i=0;i<n;i++)

{

f=f*i;

}

printf("The factorial of a number is=%d",n);

return 0;

}

Write a C program to print a Number pattern-26

#include<stdio.h>
int main()
{
int i,j,k;
for(i=1;i<=4;i++)
{
k=i;
for(j=1;j<=7;j++)
{
if(j>=5-i && j<=3+i)
{
printf("%d",k);
j<4?k--:k++;
}

else
{
printf(" ");
}
}
printf("\n");
}
return 0;
}

Write a c program to print a Alphabet pattern-25

#include<stdio.h>
int main()
{
int i,j;
char ch;
for(i=1;i<=4;i++)
{
ch=64+i;
for(j=1;j<=4;j++)
{
if(j<=i)
{
printf("%c",ch);
ch--;
}

else
{
printf(" ");
}
}
printf("\n");
}
return 0;
}

Write a c program to print a star pattern-24

#include<stdio.h>
int main()
{
int i,j;
for(i=1;i<=7;i++)
{
for(j=1;j<=7;j++)
{
if((i==1 || i==7 || j==1 || j==7) || (i>=3 && i<=5 && j>=3 && j<=5) && (i==3 || i==5 || j==3 || j==5))
{
printf("*");
}

else
{
printf(" ");
}
}
printf("\n");
}
return 0;
}

Write a c program to print a Number pattern-23

#include<stdio.h>
int main()
{
int i,j,k;
for(i=1;i<=5;i++)
{
k=1;
for(j=1;j<=6;j++)
{
if(j<=i+1)
{
printf("%d",k);
k=1-k;
}

else
{
printf(" ");
}
}
printf("\n");
}
return 0;
}

Write a c program to print a pattern-22

#include<stdio.h>
int main()
{
int i,j,k;
char ch;
for(i=1;i<=4;i++)
{
k=1;
ch='A';
for(j=1;j<=7;j++)
{
if(j>=5-i && j<=3+i)
{
if(j<=4)
{
printf("%d",k);
k++;
}
else
{
printf("%c",ch);
ch++;
}
}
else
{
printf(" ");
}
}
printf("\n");
}
return 0;
}

Write a c program to print a star pattern-21

#include<stdio.h>
int main()
{
int i,j;
for(i=1;i<=4;i++)
{
for(j=1;j<=8;j++)
{
if(j>=5-i && j<=9-i)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
return 0;
}