Different types of triangles/Pyramids

Different types of triangles/Pyramids

#include < stdio.h>
#include < conio.h>
main()
{
int m,i,j,r,k,ch;
char x;
do
{
clrscr();
printf("\n ***STARS***\n\n\n PATTERNS\n -----------\n 1.RIGHT TRIANGLE-up\n 2.RIGHT TRIANGLE-down\n 3.TRIANGLE-common\n 4.EQUILATERAL TRIANGLE-up\n 5.EQUILATERAL TRIANGLE-down\n 6.DIAMOND\n\n ");
printf("ENTER NO. OF ROWS:");
scanf("%d",&r);
printf("\n ENTER THE PATTERN:");
scanf("%d",&ch);
clrscr();
printf("\n\n");


//1
if(ch==1)
{
for(i=1;i<=r;i++)
{
for(j=0;j{
printf(" *");
}
printf("\n");
}}


//2
if(ch==2)
{
for(i=r;i>=0;i--)
{
for(j=0;j{
printf(" *");
}
printf("\n");
}}


//3
if(ch==3)
{
for(i=1;i<=r;i++)
{
for(j=0;j{
printf(" *");
}
printf("\n");
}
for(i=r-1;i>=0;i--)
{
for(j=0;j{
printf(" *");
}
printf("\n");
}}

//4
if(ch==4)
{
for(i=1;i<=r;i++)
{
m=r-i;
for(k=0;kprintf(" ");
for(j=0;j{
printf(" *");
}
printf("\n");
}}

//5
if(ch==5)
{
for(i=r;i>=0;i--)
{
m=r-i;
for(k=0;kprintf(" ");
for(j=0;j{
printf(" *");
}
printf("\n");
}}


//6
if(ch==6)
{
for(i=1;i<=r;i++)
{
m=r-i;
for(k=0;kprintf(" ");
for(j=0;j{
printf(" *");
}
printf("\n");
}
for(i=r-1;i>=0;i--)
{
m=(r)-i;
for(k=0;kprintf(" ");
for(j=0;j{
printf(" *");
}
printf("\n");
}}



//
if(ch>6)
{
printf("invalid code\n");
}
printf(" DO YOU WANT TO CONTINUE(y/n)..");
scanf("%s",&x);
}
while(x=='y');
clrscr();
printf("\n\n\n\n\n\n\n\n ***THANK YOU***\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n programer:jitkaramel(e-mail:jithinkaramel@gmail.com)");
getch();
}

Amstong Nos upto a given Limit

Amstong Nos upto a given Limit

#include < stdio.h>
#include < conio.h>
main()
{
int i,j,a,k=0,n;
clrscr();
printf("\n enter the Limit:");
scanf("%d",&n);
for(a=1;a<=n;a++)
{
i=a;
k=0;
while(i!=0)
{
j=i%10;
k=k+(j*j*j);
i=i/10;
}
if(k==a)
printf("%d\n",a);
}
getch();
}

Leap Year

WAP to find whether given year is a Leap Year

#include
#include
main()
{
int y;
clrscr();
printf("\n enter the year\n ");
scanf("%d",&y);
if(y%4==0)
{
if(y%100==0)
{
if(y%400==0)
{
printf(" common year");
if(y%1000==0)
{
if(y%4000==0)
printf(" common year");
}}}
else
printf(" leap year");
}
else
printf(" common year");
getch();
}

Palindrome - String

check whether the given string is a palindrome

#include < stdio.h>
#include < conio.h>
#include < string.h>
main()
{
char a[20],b[20]="";
int i,l,j;
clrscr();
printf("ENTER THE STRING:");
gets(a);
l=strlen(a);
for(i=0;i{
b[i]=a[l-i-1];
}
j=strcmp(a,b);
if(j==0)
printf("palindrom");
else
printf("not palindrom");
getch();
}

Amstong no

Find whether given no is an Amstrong no?


#include < stdio.h>
#include < conio.h>
main()
{
int i,j,a,k=0;
clrscr();
printf("\n enter the no:");
scanf("%d",&i);
a=i;
while(i!=0)
{
j=i%10;
k=k+(j*j*j);
i=i/10;
}
if(k==a)
printf("amstrong no");
else
printf("not an amstrong no");
getch();
}