Problems

3,947+ problems · 946 Easy · 2062 Medium · 939 Hard

Active:Easy· 946 results

Title	Solution	Practice	Difficulty	Companies	Topics
1051. Height Checker	Solution	Solve	Easy	Amazon+6	Array Counting Sort+1
1056. Confusing Number	Solution	Solve	Easy	Google	Math
1064. Fixed Point	Solution	Solve	Easy	Uber	Array Binary Search
1065. Index Pairs of a String	Solution	Solve	Easy	Amazon	Array Sorting+2
1068. Product Sales Analysis I	Solution	Solve	Easy	Amazon+7	Database
1069. Product Sales Analysis II	Solution	Solve	Easy	Amazon	Database
1071. Greatest Common Divisor of Strings	Solution	Solve	Easy	Agoda+7	Math String
1075. Project Employees I	Solution	Solve	Easy	Amazon+5	Database
1076. Project Employees II	Solution	Solve	Easy	Meta	Database
1078. Occurrences After Bigram	Solution	Solve	Easy	Google	String
1082. Sales Analysis I	Solution	Solve	Easy	Amazon	Database
1083. Sales Analysis II	Solution	Solve	Easy	Amazon	Database
1084. Sales Analysis III	Solution	Solve	Easy	Amazon+2	Database
1085. Sum of Digits in the Minimum Number	Solution	Solve	Easy	Amazon	Array Math
1086. High Five	Solution	Solve	Easy	Amazon+1	Array Hash Table+2
1089. Duplicate Zeros	Solution	Solve	Easy	Amazon+3	Array Two Pointers
1099. Two Sum Less Than K	Solution	Solve	Easy	Amazon	Array Binary Search+2
1103. Distribute Candies to People	Solution	Solve	Easy	Amazon	Math Simulation
1108. Defanging an IP Address	Solution	Solve	Easy	Amazon+6	String
1113. Reported Posts	Solution	Solve	Easy	Meta	Database
1114. Print in Order	Solution	Solve	Easy	Google+1	Concurrency
1118. Number of Days in a Month	Solution	Solve	Easy	Amazon	Math
1119. Remove Vowels from a String	Solution	Solve	Easy	Amazon	String
1122. Relative Sort Array	Solution	Solve	Easy	Amazon+5	Array Counting Sort+2
1128. Number of Equivalent Domino Pairs	Solution	Solve	Easy	Amazon+2	Array Counting+1
1133. Largest Unique Number	Solution	Solve	Easy	Amazon	Array Hash Table+1
1134. Armstrong Number	Solution	Solve	Easy	Amazon	Math
1137. N-th Tribonacci Number	Solution	Solve	Easy	Amazon+6	Dynamic Programming Math+1
1141. User Activity for the Past 30 Days I	Solution	Solve	Easy	Amazon+5	Database
1142. User Activity for the Past 30 Days II	Solution	Solve	Easy	Meta+1	Database
1148. Article Views I	Solution	Solve	Easy	Amazon+8	Database
1150. Check If a Number Is Majority Element in a Sorted Array	Solution	Solve	Easy	Salesforce	Array Binary Search
1154. Day of the Year	Solution	Solve	Easy	Amazon+2	Math String
1160. Find Words That Can Be Formed by Characters	Solution	Solve	Easy	Amazon+5	Array Counting+2
1165. Single-Row Keyboard	Solution	Solve	Easy	Google	Hash Table String
1173. Immediate Food Delivery I	Solution	Solve	Easy	DoorDash	Database
1175. Prime Arrangements	Solution	Solve	Easy	Amazon	Math
1176. Diet Plan Performance	Solution	Solve	Easy	Amazon	Array Sliding Window
1179. Reformat Department Table	Solution	Solve	Easy	Amazon+3	Database
1180. Count Substrings with Only One Distinct Letter	Solution	Solve	Easy	Virtu Financial	Math String
1184. Distance Between Bus Stops	Solution	Solve	Easy	Google	Array
1185. Day of the Week	Solution	Solve	Easy	Google+1	Math
1189. Maximum Number of Balloons	Solution	Solve	Easy	Amazon+2	Counting Hash Table+1
1196. How Many Apples Can You Put into the Basket	Solution	Solve	Easy	Virtu Financial	Array Greedy+1
1200. Minimum Absolute Difference	Solution	Solve	Easy	Agoda+14	Array Sorting
1207. Unique Number of Occurrences	Solution	Solve	Easy	Amazon+4	Array Hash Table
1211. Queries Quality and Percentage	Solution	Solve	Easy	Amazon+4	Database
1213. Intersection of Three Sorted Arrays	Solution	Solve	Easy	Apple+1	Array Binary Search+2
1217. Minimum Cost to Move Chips to The Same Position	Solution	Solve	Easy	Amazon+3	Array Greedy+1
1221. Split a String in Balanced Strings	Solution	Solve	Easy	Amazon+3	Counting Greedy+1