add 0016 solution

Author: luojing

src/com/blankj/easy/_0016/LJSolution.java

@@ -0,0 +1,26 @@
+package com.blankj.easy._16_11;
+
+public class LJSolution {
+
+    /**
+     * 此题可以简化为一道等差数列的问题
+     * 找规律，k*s, (k-1)*s+l, (k-2)*s+2*l, (k-3)*s+3*l, (k-4)*s+4*l, ... , kl
+     * 首项: ks, 公差: l-s, 返回从小到大的等差数列项的数列
+     */
+    public int[] divingBoard(int shorter, int longer, int k) {
+        if (k == 0) return new int[0];
+        if (shorter == longer) return new int[] { shorter * k};
+        int[] ans = new int[ k + 1];
+        int st = k * shorter;
+        int delta = longer - shorter;
+        for (int i = 0; i <= k ; i++) {
+            ans[i] = st + i * delta;
+        }
+        return ans;
+    }
+
+    public static void main(String[] args) {
+        LJSolution ljSolution = new LJSolution();
+        System.out.println(Arrays.toString(ljSolution.divingBoard(1,2,3)));
+    }
+}