Hackerank/solutions

Hackerrank/PyramidPattern.java

@@ -0,0 +1,23 @@
+package ProblemSolvingBasic;
+
+/*Right Pyramid*/
+
+public class PyramidPattern {
+    public static void main(String[] args) {
+        System.out.println("Pyramid Pattern!");
+
+        int n = 5;
+
+        for (int i = n; i > 0; i--) {
+            int space = i - 1;
+            for (int j = 0; j < n; j++) {
+                if (j < space) {
+                    System.out.print(" ");
+                } else {
+                    System.out.print("#");
+                }
+            }
+            System.out.println();
+        }
+    }
+}

Hackerrank/UnexpectedDemand.java

@@ -0,0 +1,34 @@
+package ProblemSolvingBasic;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/*A widget manufacturer is facing unexpectedly high demand for its new product.
+They would like to satisfy as many customers as possible. Given a number of widgets
+ available and a list of customer orders, what is the maximum number of orders the
+ manufacturer can fulfill in full?*/
+
+public class UnexpectedDemand {
+    public static void main(String[] args) {
+        System.out.println("Unexpected Demand!");
+
+        List<Integer> orders = Arrays.asList(5, 2, 4);
+
+        Collections.sort(orders);
+
+        int widgets = 3;
+        int counter = 0;
+
+        for (Integer order : orders) {
+            if (order <= widgets) {
+                widgets -= order;
+                counter++;
+            } else {
+                break;
+            }
+        }
+
+        System.out.println("Successful Filled Orders   --->   " + counter);
+    }
+}