Create Solution.java

Author: Jerring

solution/0875.Koko Eating Bananas/Solution.java

@@ -0,0 +1,19 @@
+class Solution {
+    public int minEatingSpeed(int[] piles, int H) {
+        int l = 1, r = 1000000000;
+        while (l < r) {
+            int mid = l + r >>> 1;
+            if (check(piles, H, mid)) r = mid;
+            else l = mid + 1;
+        }
+        return r;
+    }
+
+    private boolean check(int[] piles, int h, int k) {
+        int cnt = 0;
+        for (int pile : piles) {
+            cnt += (pile - 1) / k + 1;
+        }
+        return cnt <= h;
+    }
+}