Create 2310-Sum-of-Numbers-With-Units-Digit-K.java

Contest 298 problem 2

Author: SharmaTushar1

java/2310-Sum-of-Numbers-With-Units-Digit-K.java

@@ -0,0 +1,18 @@
+//Contest 298 problem brute-force. Feel free to update this.
+class Solution {
+    public int minimumNumbers(int num, int k) {
+        if (num == 0) return 0;
+        if (num%10 == k) return 1;
+        if (k == 0 && num%10 == 0) return 1;
+        else if (k==0 && num%10!=0) return -1;
+        int temp = num;
+        num -= k;
+        int len = 1;
+        while (num>0) {
+            len++;
+            if (num%10 == k) return len;
+            num -= k;
+        }
+        return num<0?-1:len;
+    }
+}