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Bump minimist from 1.2.5 to 1.2.6 in /js/generate-table-node #1

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Bump minimist from 1.2.5 to 1.2.6 in /js/generate-table-node #1

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1e9a094
Create Patterns.java
abcool Mar 18, 2022
7dac4cf
Added new patterns
abcool Mar 20, 2022
c8f00b0
Update Patterns.java
abcool Mar 22, 2022
6176d1e
Bump minimist from 1.2.5 to 1.2.6 in /js/generate-table-node
dependabot[bot] Mar 30, 2022
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328 changes: 328 additions & 0 deletions DS & Algo in Java/Patterns.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,328 @@
/* package codechef; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
/*
* * * *
* * * *
* * * *
* * * *
* * * *
*/
private static void rectanglePattern(int rows, int cols){
for(int i=0;i<rows;i++){
for(int j=0;j<cols;j++)
System.out.print("* ");
System.out.println();
}
}

/*
****
* *
* *
* *
****
*/
private static void hollowRectanglePattern(int rows, int cols){
for(int i=0;i<rows;i++){
for(int j=0;j<cols;j++){
if(i==0 || i==(rows-1) || j==0 || j==(cols-1)){
System.out.print("*");
}else{
System.out.print(" ");
}
}
System.out.println();
}
}
/*
*****
****
***
**
*
*/
private static void invertedHalfPyramid(int n){
for(int i=n;i>0;i--){
for(int j=i;j>0;j--){
System.out.print("*");
}
System.out.println();
}
}

/*
*
**
***
****
*****

*/
private static void halfPyramid(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(j<=n-i)
System.out.print(" ");
else
System.out.print("*");
}
System.out.println();
}
}

/*
1
22
333
4444
55555
*/
private static void halfPyramidNumber(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
System.out.print(i);
}
System.out.println();
}
}

/*
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
*/
private static void floydTriangle(int n){
int count=1;
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
System.out.print(count + " ");
count++;
}
System.out.println();
}
}

/*

* *
** **
*** ***
********
********
*** ***
** **
* *

*/
private static void butterfly(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
System.out.print("*");
}
int spaces = 2*n-2*i;
for(int j=1;j<=spaces;j++){
System.out.print(" ");
}
for(int j=1;j<=i;j++){
System.out.print("*");
}
System.out.println();
}
for(int i=n;i>=1;i--){
for(int j=1;j<=i;j++){
System.out.print("*");
}
int spaces = 2*n-2*i;
for(int j=1;j<=spaces;j++){
System.out.print(" ");
}
for(int j=1;j<=i;j++){
System.out.print("*");
}
System.out.println();
}
}
/*
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
*/
private static void invertedPattern(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=(n-i)+1;j++){
System.out.print(j+" ");
}
System.out.println();
}
}

/*
1
0 1
1 0 1
0 1 0 1
1 0 1 0 1
*/
private static void zeroOnePattern(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
if((i+j)%2==0)
System.out.print("1 ");
else
System.out.print("0 ");
}
System.out.println();
}
}

/*
* * * * *
* * * * *
* * * * *
* * * * *
* * * * *
*/
private static void rhombusPattern(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=n-i;j++)
System.out.print(" ");
for(int j=1;j<=n;j++){
System.out.print("* ");
}
System.out.println();
}
}

/*
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

*/
private static void numberPattern(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=n-i;j++)
System.out.print(" ");
for(int j=1;j<=i;j++)
System.out.print(j + " ");
System.out.println();
}
}

/*
1
2 1 2
3 2 1 2 3
4 3 2 1 2 3 4
5 4 3 2 1 2 3 4 5

*/
private static void palindromicPattern(int n){
/*for(int i=1;i<=n;i++){
for(int j=1;j<=n-i;j++)
System.out.print(" ");

for(int j=i;j>=1;j--)
System.out.print(j);

for(int j=2;j<=i;j++){
System.out.print(j);
}

System.out.println();
}*/
for(int i=1;i<=n;i++){
int j;
for(j=1;j<=n-i;j++){
System.out.print(" ");
}
int k=i;
for(;j<=n;j++){
System.out.print(k--);
System.out.print(" ");
}
k=2;
for(;j<=n+i-1;j++){
System.out.print(k++);
System.out.print(" ");
}
System.out.println();
}
}

/*
*
***
*****
*******
*******
*****
***
*

*/
private static void starPattern(int n){
for(int i=1;i<=n;i++){
for(int j=1;j<=n-i;j++)
System.out.print(" ");
for(int j=1;j<=(2*i)-1;j++)
System.out.print("*");
System.out.println();
}
for(int i=n;i>=1;i--){
for(int j=1;j<=n-i;j++)
System.out.print(" ");
for(int j=1;j<=(2*i)-1;j++)
System.out.print("*");
System.out.println();
}
}

/*
* * *
* * * * * *
* * * *
*/
private static void zigZagPattern(int n){
for(int i=1;i<=3;i++){
for(int j=1;j<=n;j++){
if((i+j)%4==0 || (i==2 && j%4==0))
System.out.print("* ");
else
System.out.print(" ");
}
System.out.println();
}
}
public static void main (String[] args) throws java.lang.Exception
{
/*int rows = 5, cols=4;
hollowRectanglePattern(rows,cols);*/
int n=5;
//invertedHalfPyramid(n);
//halfPyramid(n);
//halfPyramidNumber(n);
//floydTriangle(n);
//butterfly(4);
//invertedPattern(5);
//zeroOnePattern(5);
//rhombusPattern(5);
//numberPattern(5);
//palindromicPattern(5);
//starPattern(4);
zigZagPattern(13);
}
}
6 changes: 3 additions & 3 deletions js/generate-table-node/package-lock.json
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