Problems

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

Active:Easy· 946 results

Title	Solution	Practice	Difficulty	Companies	Topics
1984. Minimum Difference Between Highest and Lowest of K Scores	Solution	Solve	Easy	Amazon+5	Array Sliding Window+1
1991. Find the Middle Index in Array	Solution	Solve	Easy	Amazon+3	Array Prefix Sum
1995. Count Special Quadruplets	Solution	Solve	Easy	Google+2	Array Enumeration+1
2000. Reverse Prefix of Word	Solution	Solve	Easy	Amazon+4	Stack String+1
2006. Count Number of Pairs With Absolute Difference K	Solution	Solve	Easy	Amazon+6	Array Counting+1
2011. Final Value of Variable After Performing Operations	Solution	Solve	Easy	Amazon+4	Array Simulation+1
2016. Maximum Difference Between Increasing Elements	Solution	Solve	Easy	Amazon+5	Array
2022. Convert 1D Array Into 2D Array	Solution	Solve	Easy	Amazon+4	Array Matrix+1
2026. Low-Quality Problems	Solution	Solve	Easy	-	Database
2027. Minimum Moves to Convert String	Solution	Solve	Easy	Bloomberg+2	Greedy String
2032. Two Out of Three	Solution	Solve	Easy	Amazon+2	Array Bit Manipulation+1
2037. Minimum Number of Moves to Seat Everyone	Solution	Solve	Easy	Amazon+3	Array Counting Sort+2
2042. Check if Numbers Are Ascending in a Sentence	Solution	Solve	Easy	-	String
2047. Number of Valid Words in a Sentence	Solution	Solve	Easy	Cisco+2	String
2053. Kth Distinct String in an Array	Solution	Solve	Easy	Amazon+1	Array Counting+2
2057. Smallest Index With Equal Value	Solution	Solve	Easy	Google	Array
2062. Count Vowel Substrings of a String	Solution	Solve	Easy	Amazon+11	Hash Table String
2068. Check Whether Two Strings are Almost Equivalent	Solution	Solve	Easy	Salesforce	Counting Hash Table+1
2072. The Winner University	Solution	Solve	Easy	Walmart	Database
2073. Time Needed to Buy Tickets	Solution	Solve	Easy	Amazon+7	Array Queue+1
2078. Two Furthest Houses With Different Colors	Solution	Solve	Easy	Google+2	Array Greedy
2082. The Number of Rich Customers	Solution	Solve	Easy	Athenahealth	Database
2085. Count Common Words With One Occurrence	Solution	Solve	Easy	Jane Street	Array Counting+2
2089. Find Target Indices After Sorting Array	Solution	Solve	Easy	Amazon+1	Array Binary Search+1
2094. Finding 3-Digit Even Numbers	Solution	Solve	Easy	Amazon+4	Array Enumeration+2
2099. Find Subsequence of Length K With the Largest Sum	Solution	Solve	Easy	Accenture+5	Array Hash Table+2
2103. Rings and Rods	Solution	Solve	Easy	Google	Hash Table String
2108. Find First Palindromic String in the Array	Solution	Solve	Easy	Google	Array String+1
2114. Maximum Number of Words Found in Sentences	Solution	Solve	Easy	Amazon+2	Array String
2119. A Number After a Double Reversal	Solution	Solve	Easy	Amazon+3	Math
2124. Check if All A's Appears Before All B's	Solution	Solve	Easy	Bloomberg+1	String
2129. Capitalize the Title	Solution	Solve	Easy	-	String
2133. Check if Every Row and Column Contains All Numbers	Solution	Solve	Easy	Indeed+3	Array Hash Table+1
2138. Divide a String Into Groups of Size k	Solution	Solve	Easy	Bloomberg+2	Simulation String
2144. Minimum Cost of Buying Candies With Discount	Solution	Solve	Easy	Garmin+2	Array Greedy+1
2148. Count Elements With Strictly Smaller and Greater Elements	Solution	Solve	Easy	Google	Array Counting+1
2154. Keep Multiplying Found Values by Two	Solution	Solve	Easy	Bloomberg+3	Array Hash Table+2
2160. Minimum Sum of Four Digit Number After Splitting Digits	Solution	Solve	Easy	Amazon+1	Greedy Math+1
2164. Sort Even and Odd Indices Independently	Solution	Solve	Easy	Google+2	Array Sorting
2169. Count Operations to Obtain Zero	Solution	Solve	Easy	Amazon+3	Math Simulation
2176. Count Equal and Divisible Pairs in an Array	Solution	Solve	Easy	Bloomberg+4	Array
2180. Count Integers With Even Digit Sum	Solution	Solve	Easy	Mindtree	Math Simulation
2185. Counting Words With a Given Prefix	Solution	Solve	Easy	Bloomberg+3	Array String+1
2190. Most Frequent Number Following Key In an Array	Solution	Solve	Easy	Google	Array Counting+1
2194. Cells in a Range on an Excel Sheet	Solution	Solve	Easy	-	String
2200. Find All K-Distant Indices in an Array	Solution	Solve	Easy	Amazon+3	Array Two Pointers
2205. The Number of Users That Are Eligible for Discount	Solution	Solve	Easy	Analytics Quotient	Database
2206. Divide Array Into Equal Pairs	Solution	Solve	Easy	Amazon+4	Array Bit Manipulation+2
2210. Count Hills and Valleys in an Array	Solution	Solve	Easy	Amazon+4	Array
2215. Find the Difference of Two Arrays	Solution	Solve	Easy	Accenture+6	Array Hash Table