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AyushSoni86AyushSoni86
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Started with Patterns
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8 files changed

+586
-11
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‎02_Pattern Questions/Merged_Patterns/Pattern1.java

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package Merged_Patterns;
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public class Pattern1 {
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public static void main(String[] args) {
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pattern2(5);
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}
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// pattern Output
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// *
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// **
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// ***
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// ****
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// *****
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// ******
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// *****
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// ****
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// ***
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// **
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// *
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// method 1
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static void pattern1(int n) {
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < i; j++) {
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System.out.print("*");
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}
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System.out.println();
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}
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for (int i = 0; i < n; i++) {
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for (int j = i; j < n; j++) {
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System.out.print("*");
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}
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System.out.println();
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}
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}
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// method 2
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static void pattern2(int n) {
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for (int i = 0; i < 2 * n + 1; i++) {
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int colInRow = (i > n) ? 2 * n - i : i;
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for (int j = 0; j <= colInRow; j++) {
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System.out.print('*');
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}
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System.out.println();
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}
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}
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}

‎02_Pattern Questions/Pattern1.class

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‎02_Pattern Questions/Pattern1.java

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‎02_Pattern Questions/Pattern_With_Spaces/Pattern.java

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package Pattern_With_Spaces;
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public class Pattern {
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public static void main(String[] args) {
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pattern5(5);
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}
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static void pattern1(int n) {
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for (int i = 0; i < n; i++) {
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for (int j = i + 1; j < n; j++) {
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System.out.print(" ");
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}
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for (int j = 0; j <= i; j++) {
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System.out.print("*");
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}
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System.out.println();
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}
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}
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// pattern1 output
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// *
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// **
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// ***
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// ****
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// *****
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static void pattern2(int n){
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < i; j++) {
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System.out.print(" ");
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}
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for (int j = i; j < n; j++) {
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System.out.print("*");
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}
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System.out.println();
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}
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}
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// pattern2 output
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// *****
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// ****
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// ***
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// **
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// *
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static void pattern4(int n){
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for (int i = 0; i < n; i++) {
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for (int j = i+1; j < n; j++) {
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System.out.print(" ");
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}
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for (int j = 0; j <= 2*i; j++) {
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System.out.print("*");
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}
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System.out.println();
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}
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}
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// pattern output
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// *
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// ***
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// *****
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// *******
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// *********
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static void pattern5(int n){
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < i; j++) {
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System.out.print(" ");
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}
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for (int j = i*2+1; j <= n*2-1; j++) {
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System.out.print("*");
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}
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System.out.println();
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}
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}
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// pattern output
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// *********
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// *******
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// *****
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// ***
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// *
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static void pattern6(int n){
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for (int i = 0; i < n; i++) {
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for (int j = i + 1; j < n; j++) {
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System.out.print(" ");
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}
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for (int j = 0; j <= i; j++) {
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System.out.print("* ");
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}
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System.out.println();
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}
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}
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// pattern output
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// *
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// * *
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// * * *
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// * * * *
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// * * * * *
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static void pattern7(int n){
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < i; j++) {
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System.out.print(" ");
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}
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for (int j = i; j < n; j++) {
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System.out.print("* ");
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}
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System.out.println();
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}
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}
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// pattern output
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// * * * * *
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// * * * *
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// * * *
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// * *
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// *
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}

‎02_Pattern Questions/Patterns_With_Numbers/Pattern.java

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package Patterns_With_Numbers;
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public class Pattern {
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public static void main(String[] args) {
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pattern5(5);
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}
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static void pattern1(int n) {
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for (int i = 0; i < n; i++) {
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for (int j = 0; j <= i; j++) {
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System.out.print(j + 1 + " ");
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}
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System.out.println();
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}
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}
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// pattern output
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// 1
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// 1 2
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// 1 2 3
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// 1 2 3 4
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// 1 2 3 4 5
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static void pattern2(int n) {
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for (int i = 0; i < n; i++) {
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for (int j = i; j < n; j++) {
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System.out.print(i + 1 + " ");
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}
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System.out.println();
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}
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}
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// pattern output
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// 1 1 1 1 1
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// 2 2 2 2
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// 3 3 3
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// 4 4
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// 5
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static void pattern3(int n) {
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int count = 1;
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for (int i = 0; i < n; i++) {
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for (int j = 0; j <= i; j++) {
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System.out.print((count < 10) ? "0" + count++ + " " : count++ + " ");
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}
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System.out.println();
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}
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}
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// pattern output
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// 1
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// 2 3
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// 4 5 6
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// 7 8 9 10
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static void pattern4(int n) {
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for (int i = 0; i < n; i++) {
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for (int j = 0; j <= i; j++) {
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System.out.print(((i - j) % 2 == 1) ? "0 " : "1 ");
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}
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System.out.println();
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}
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}
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// pattern output
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// 1
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// 0 1
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// 1 0 1
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// 0 1 0 1
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// 1 0 1 0 1
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static void pattern5(int n) {
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for (int i = 0; i < n; i++) {
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for (int j = i; j < n - 1; j++) {
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System.out.print(" ");
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}
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for (int j = i; j > 0; j--) {
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System.out.print(j + 1 + " ");
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}
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for (int j = 0; j <= i; j++) {
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System.out.print(j + 1 + " ");
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}
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System.out.println();
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}
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}
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// pattern output
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// 1
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// 2 1 2
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// 3 2 1 2 3
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// 4 3 2 1 2 3 4
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// 5 4 3 2 1 2 3 4 5
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}

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