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VINAY_TR.C
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VINAY_TR.C
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/* Author : Sharma Vinay
Email : [email protected]
Date of creation : 14 july 2016
Objective : Learn different types of pattern */
#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,line,ch,k,m,n,space,coef=1;
int pas[50];
char c;
clrscr();
printf("\nPlease select your pattern :");
printf("\n-----------------------------------");
printf("\n1.....Pascal triangle");
printf("\n2.....Equalator triangle");
printf("\n3.....Square");
printf("\n4.....Ractangle");
printf("\n5.....Inverse(Right angle triangle");
printf("\n6.....Isosceles triangle");
printf("\n-----------------------------------\n");
scanf("%d",&ch);
switch(ch)
{
case 1://Pascal Triangle
printf("\n-----------------------------------");
printf("\nEnter the no. of lines :");
scanf("%d",&line);
printf("\n-----------------------------------\n");
for(i=0;i<line;i++)
{
for(space=1;space <=line-i;space++)
{
printf(" ");
}//End of inner first for loop
for(j=0;j<=i;j++)
{
if(j==0 || i==0)
{
coef=1;
}
else
{
coef = coef*(i-j+1)/j;
}
printf("%4d", coef);
}//End of inner second for loop
printf("\n");
}//End of outer for loop
break;
//----------------------------------------------------------------------------------------
case 2://Equilateral Triangle
printf("\n-----------------------------------");
printf("\nEnter the no. of lines :");
scanf("%d",&line);
printf("\nEnter the character type:\n");
//scanf("%c",&c);
c=getch();
printf("\n-----------------------------------\n");
for(i=1;i<=line;i++)
{
for(j=1;j<=line-i;j++)
{
printf(" ");
}//End of inner first for loop
for(k=1;k<=(2*i)-1;k++)
{
printf("%c",c);
}//End of inner second for loop
printf("\n");
}//End of outer for loop
break;
//-----------------------------------------------------------------------------------------------
case 3://Square
printf("\n-----------------------------------");
printf("\nEnter the no. of lines :");
scanf("%d",&line);
printf("\nEnter the character type:\n");
//scanf("%c",&c);
c=getch();
printf("\n-----------------------------------\n");
for(i=1;i<=line;i++)
{
for(j=1;j<=line;j++)
{
printf("%c ",c);
}//End of inner for loop
printf("\n");
}//End of outer for loop
break;
//--------------------------------------------------------------------------------------------
case 4://Rectangle
printf("\n-----------------------------------\n");
printf("Enter number of row:");
scanf("%d",&m);
printf("Enter number of columns :");
scanf("%d",&n);
printf("\nEnter the character type:\n");
//scanf("%c",&c);
c=getch();
printf("\n-----------------------------------\n");
for(i=1;i<=m;i++)
{
for(j=1;j<=n;j++)
{
printf("%c ",c);
}//End of inner for loop
printf("\n");
}//End of outer for loop
break;
//------------------------------------------------------------------------------------------
case 5://Inverse(Right angle triangle)
printf("\n-----------------------------------");
printf("\nEnter the no. of lines :");
scanf("%d",&line);
printf("\nEnter the character type:\n");
//scanf("%c",&c);
c=getch();
printf("\n-----------------------------------\n");
for(i=1;i<=line;i++)
{
for(j=line;j>=i;j--)
{
printf("%c",c);
}//End of inner first for loop
printf("\n");
for(k=1;k<=i;k++)
{
printf(" ");
}//End of inner second for loop
}//End of outer for loop
break;
//-----------------------------------------------------------------------------------------------
case 6://Isosceles Triangle
printf("\n-----------------------------------");
printf("\nEnter the no. of lines :");
scanf("%d",&line);
printf("\nEnter the character type:\n");
//scanf("%c",&c);
c=getch();
printf("\n-----------------------------------\n");
for(i=1;i<=line;i++)
{
for(k=line;k>=i;k--)
{
printf(" ");
}//End of inner first for loop
for(j=1;j<=i;j++)
{
printf("%c",c);
printf(" ");
}//End of inner second for loop
printf("\n");
}//End of outer for loop
break;
}//End of switch
getch();
}//End of main