add 1736

Author: fishercoder1534

README.md

@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ ★
 
 |  #  |      Title     |   Solutions   | Video  | Difficulty  | Tag                   
 |-----|----------------|---------------|--------|-------------|-------------
+|1736|[Latest Time by Replacing Hidden Digits](https://leetcode.com/problems/latest-time-by-replacing-hidden-digits/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1736.java) ||Easy|String, Greedy|
 |1733|[Minimum Number of People to Teach](https://leetcode.com/problems/minimum-number-of-people-to-teach/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1733.java) ||Medium|Array, Greedy|
 |1732|[Find the Highest Altitude](https://leetcode.com/problems/find-the-highest-altitude/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1732.java) ||Easy|Array|
 |1727|[Largest Submatrix With Rearrangements](https://leetcode.com/problems/largest-submatrix-with-rearrangements/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1727.java) ||Medium|Greedy, Sort|

src/main/java/com/fishercoder/solutions/Contest.java

@@ -0,0 +1,53 @@
+package com.fishercoder.solutions;
+
+public class _1736 {
+    public static class Solution1 {
+        public String maximumTime(String time) {
+            StringBuilder sb = new StringBuilder();
+            String[] strs = time.split(":");
+            String hour = strs[0];
+            String min = strs[1];
+            if (hour.charAt(0) == '?') {
+                if (hour.charAt(1) == '?') {
+                    sb.append("23");
+                } else if (hour.charAt(1) > '3') {
+                    sb.append("1");
+                    sb.append(hour.charAt(1));
+                } else {
+                    sb.append("2");
+                    sb.append(hour.charAt(1));
+                }
+            } else if (hour.charAt(0) == '0' || hour.charAt(0) == '1') {
+                if (hour.charAt(1) == '?') {
+                    sb.append(hour.charAt(0));
+                    sb.append("9");
+                } else {
+                    sb.append(hour);
+                }
+            } else if (hour.charAt(0) == '2') {
+                if (hour.charAt(1) == '?') {
+                    sb.append("23");
+                } else {
+                    sb.append(hour);
+                }
+            }
+            sb.append(":");
+            if (min.charAt(0) == '?') {
+                if (min.charAt(1) == '?') {
+                    sb.append("59");
+                } else {
+                    sb.append("5");
+                    sb.append(min.charAt(1));
+                }
+                return sb.toString();
+            }
+            sb.append(min.charAt(0));
+            if (min.charAt(1) == '?') {
+                sb.append("9");
+            } else {
+                sb.append(min.charAt(1));
+            }
+            return sb.toString();
+        }
+    }
+}