Java solution for Triangle Sum

1 files changed, 29 insertions, 0 deletions

diff --git a/challenge-100/ziameraj16/java/TriangleSum.java b/challenge-100/ziameraj16/java/TriangleSum.java
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+++ b/challenge-100/ziameraj16/java/TriangleSum.java
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+import java.util.*;
+import java.util.stream.Collectors;
+
+public class TriangleSum {
+
+    public static void main(String[] args) {
+
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter number of rows in the triangle");
+        int numberOfRows = Integer.parseInt(scanner.nextLine());
+        List<List<Integer>> list = new ArrayList();
+        int  i = 1;
+        while (i <= numberOfRows) {
+            System.out.println("Enter comma separated elements of line " + i);
+            List<Integer> rowElements = Arrays.stream(scanner.nextLine().split(",")).map(Integer::valueOf).collect(Collectors.toList());
+            list.add(rowElements);
+            i++;
+        }
+        System.out.println("Output: " + triangleSum(list));
+    }
+
+    public static int triangleSum(List<List<Integer>> list) {
+        int sum = 0;
+        for (List<Integer> row : list) {
+            sum += Collections.min(row);
+        }
+        return sum;
+    }
+}