Commit accf9cf

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Merge pull request #85 from shikhar8434/master

Added PlusMinus Problem(HACKERRANK)

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	`1`	`+import java.io.*;`
	`2`	`+import java.math.*;`
	`3`	`+import java.security.*;`
	`4`	`+import java.text.*;`
	`5`	`+import java.util.*;`
	`6`	`+import java.util.concurrent.*;`
	`7`	`+import java.util.regex.*;`
	`8`	`+`
	`9`	`+public class Solution {`
	`10`	`+`
	`11`	`+`
	`12`	`+ static void plusMinus(int[] arr) {`
	`13`	`+`
	`14`	`+ int dimension = arr.length;`
	`15`	`+ double positives = 0;`
	`16`	`+ double negatives = 0;`
	`17`	`+ double zeros = 0;`
	`18`	`+`
	`19`	`+ for (int i = 0; i < dimension; i++) {`
	`20`	`+ if (arr[i] > 0) {`
	`21`	`+ positives++;`
	`22`	`+ } else if (arr[i] < 0) {`
	`23`	`+ negatives++;`
	`24`	`+ } else {`
	`25`	`+ zeros++;`
	`26`	`+ }`
	`27`	`+ }`
	`28`	`+`
	`29`	`+ positives /= dimension;`
	`30`	`+ negatives /= dimension;`
	`31`	`+ zeros /= dimension;`
	`32`	`+`
	`33`	`+ System.out.printf("%.6f\n%.6f\n%.6f\n", positives, negatives, zeros);`
	`34`	`+`
	`35`	`+ }`
	`36`	`+`
	`37`	`+ private static final Scanner scanner = new Scanner(System.in);`
	`38`	`+`
	`39`	`+ public static void main(String[] args) {`
	`40`	`+ int n = scanner.nextInt();`
	`41`	`+ scanner.skip("(\r\n\|[\n\r\u2028\u2029\u0085])?");`
	`42`	`+`
	`43`	`+ int[] arr = new int[n];`
	`44`	`+`
	`45`	`+ String[] arrItems = scanner.nextLine().split(" ");`
	`46`	`+ scanner.skip("(\r\n\|[\n\r\u2028\u2029\u0085])?");`
	`47`	`+`
	`48`	`+ for (int i = 0; i < n; i++) {`
	`49`	`+ int arrItem = Integer.parseInt(arrItems[i]);`
	`50`	`+ arr[i] = arrItem;`
	`51`	`+ }`
	`52`	`+`
	`53`	`+ plusMinus(arr);`
	`54`	`+`
	`55`	`+ scanner.close();`
	`56`	`+ }`
	`57`	`+}`

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	`1`	`+`
	`2`	`+# PLUS MINUS HACKERRANK PROBLEM`
	`3`	`+`
	`4`	`+## Problem statement`
	`5`	`+`
	`6`	`+Given an array of integers, calculate the ratios of its elements that are positive, negative, and zero. Print the decimal value of each fraction on a new line with 6 places after the decimal.`
	`7`	`+`
	`8`	`+e.g., array =[1,1,0,-1,-1] i.e., n=5 elements`
	`9`	`+`
	`10`	`+so positives= 2/5, negatives= 2/5 and zeros = 1/5`
	`11`	`+`
	`12`	`+then Output :`
	`13`	`+0.400000`
	`14`	`+0.400000`
	`15`	`+0.200000`

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