Commit 714ce2f

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Merge pull request #79 from arpitjain22june/patch-11

Create PatternHourGlass.java

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	`1`	`+//5`
	`2`	`+//5 4 3 2 1 0 1 2 3 4 5`
	`3`	`+// 4 3 2 1 0 1 2 3 4`
	`4`	`+// 3 2 1 0 1 2 3`
	`5`	`+// 2 1 0 1 2`
	`6`	`+// 1 0 1`
	`7`	`+// 0`
	`8`	`+// 1 0 1`
	`9`	`+// 2 1 0 1 2`
	`10`	`+// 3 2 1 0 1 2 3`
	`11`	`+// 4 3 2 1 0 1 2 3 4`
	`12`	`+//5 4 3 2 1 0 1 2 3 4 5`
	`13`	`+`
	`14`	`+import java.util.Scanner;`
	`15`	`+`
	`16`	`+public class PatternHourGlass {`
	`17`	`+`
	`18`	`+ public static void main(String[] args) {`
	`19`	`+ Scanner sc = new Scanner(System.in);`
	`20`	`+ int n = 0;`
	`21`	`+ if (sc.hasNext()) {`
	`22`	`+ n = sc.nextInt();`
	`23`	`+ }`
	`24`	`+ int nr=2*n+1;`
	`25`	`+ int nst=nr;`
	`26`	`+ int nsp=0;`
	`27`	`+ int row=1;`
	`28`	`+ int val;`
	`29`	`+ while(row<=nr) {`
	`30`	`+ if(row<=nr/2+1) {`
	`31`	`+ val=n-row+1;`
	`32`	`+ }else {`
	`33`	`+ val=row-nr/2-1;`
	`34`	`+ }`
	`35`	`+ for(int csp = 1; csp<=nsp;csp++) {`
	`36`	`+ System.out.print(" ");`
	`37`	`+ }`
	`38`	`+ for(int cst = 1; cst<=nst;cst++) {`
	`39`	`+ if(cst<nst/2+1) {`
	`40`	`+ System.out.print(val--+" ");`
	`41`	`+ }else if(cst==nst/2+1){`
	`42`	`+ System.out.print(val +" ");`
	`43`	`+ }else {`
	`44`	`+ System.out.print(++val +" ");`
	`45`	`+ }`
	`46`	`+ }`
	`47`	`+ System.out.println();`
	`48`	`+ if(row<=nr/2) {`
	`49`	`+ nsp+=2;`
	`50`	`+ nst-=2;`
	`51`	`+ }else {`
	`52`	`+ nsp-=2;`
	`53`	`+ nst+=2;`
	`54`	`+ }`
	`55`	`+ row++;`
	`56`	`+`
	`57`	`+ }`
	`58`	`+ }`
	`59`	`+`
	`60`	`+}`

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	`1`	`+Take N as input. For a value of N=5, we wish to draw the following pattern :`
	`2`	`+`
	`3`	`+ 5 4 3 2 1 0 1 2 3 4 5`
	`4`	`+ 4 3 2 1 0 1 2 3 4`
	`5`	`+ 3 2 1 0 1 2 3`
	`6`	`+ 2 1 0 1 2`
	`7`	`+ 1 0 1`
	`8`	`+ 0`
	`9`	`+ 1 0 1`
	`10`	`+ 2 1 0 1 2`
	`11`	`+ 3 2 1 0 1 2 3`
	`12`	`+ 4 3 2 1 0 1 2 3 4`
	`13`	`+ 5 4 3 2 1 0 1 2 3 4 5`
	`14`	`+Input Format`
	`15`	`+Take N as input.`
	`16`	`+`
	`17`	`+Constraints`
	`18`	`+N <= 20`
	`19`	`+`
	`20`	`+Output Format`
	`21`	`+Pattern should be printed with a space between every two values.`
	`22`	`+`
	`23`	`+Sample Input`
	`24`	`+5`
	`25`	`+`

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