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리트코드 알고리즘 문제풀이

# 분류 레벨 문제 풀이 비고
11 배열 Medium Container With Most Water Java
15 해시 Medium 3Sum Java
16 배열 Medium 3Sum Closest Java
17 배열 Medium Letter Combination of a Phone Number Java : Backtracking
18 해시 Medium ** 4Sum Java Java : 시간초과
20 스택 Easy Valid Parentheses Java
33 배열 Medium Search in Rotated Sorted Array Java : 완전탐색
34 배열 Medium * Find First and Last Position of Element in Sorted Array Java : 이진탐색
49 해시 Medium ** Group Anagrams Java
53 배열 Easy * Maximum Subarray Java : Greedy
Java : DP
58 String Easy Length of Last Word Java
62 배열 Medium Unique Paths * Java: Math.round
66 배열 Easy * Plus One : idea Java
67 String Easy Add Binary Java
78 배열 Medium Subsets Java : Combination
118 배열 Easy Pascal's Triangle Java
121 배열 Easy Best Time to Buy and Sell Stock Java
125 String Easy Valid Palindrome Java
167 배열 Easy Two Sum ii - Input array is sorted Java
205 해시 Easy Isomorphic Strings Java
Java
217 해시 Easy Contains Duplicate Java
219 배열 Easy Contains Duplicate II Java
228 배열 Easy Summary Ranges Java
237 LinkedList Easy Delete Node in a Linked List Java
242 해시 Easy Valid Anagram Java
290 해시 Easy Word Pattern Java
344 String Easy Reverse String Java
345 String Easy Reverse Vowels of a String Java
349 해시 Easy Intersection of Two Arrays Java
Java
392 String Easy Is Subsequence Java
402 Tree Easy Sum of Left Leaves Java
409 해시 Easy Longest Pattern Java
414 배열 Easy Thrid Maxmum Number Java
Java
434 String Easy Number of Segments in a String * Java : regex
Java
442 배열 Medium Find All Duplicates in an Array Java
Java
455 해시 Easy ** Assign Cookies Java
463 해시 Easy * Island Perimeter Java
485 배열 Easy Max Consecutive Ones Java
500 해시 Easy Keyboard Row Java: 정규표현식
Java
509 배열 Easy Fibonacci Number Java
520 String Easy Detect Capital Java
557 String Easy Reverse Words in a String3 Java
551 String Easy Student Attendance Record i Java
575 해시 Easy Distribute Candies Java
594 해시 Easy * Longest Harmonious Subsequence Java
Java
599 해시 Easy Minimum Index Sum of Two Lists Java
628 배열 Easy Maximum Product of Three Numbers Java
645 해시 Easy Set Mismatch Java
605 해시 Easy Can Place Flowers Java
657 해시 Easy Robot Return to Origin Java : count
Java : map
690 해시,DFS Easy * Employee Importance Java
720 해시,정렬 Easy ** Longest Word in Dictionary Java
728 정렬 Easy Self Dividing Numbers Java
747 배열 Easy Largest Number At Least Twice of Others Java
791 String,정렬 Medium Custom Sort String Java
804 String Easy Unique Morse Code Words Java
832 배열 Easy Flipping an Image Java
852 배열 Easy Peak Index in a Mountain Array Java
890 String Medium Find and Replace Pattern Java
896 String Easy Monotonic Array Java
905 배열 Easy Sort Array By Parity Java
917 String Easy Reverse Only Letters Java
922 배열 Easy Sort Array By Parity II Java
941 배열 Easy Valid Mountain Array Java
942 배열 Easy DI String Match Java Java : 시간초과
953 해시 Easy * Verifying an Alien Dictionary Java
961 해시 Easy N-Repeated Element in Size 2N Array Java
Java
970 해시 Easy Powerful Integers Java
977 배열 Easy Squares of a Sorted Array Java
989 배열 Easy Add to Array-Form of Integer Java : BigDecimal
1018 배열 Easy Binary Prefix Divisible By 5 Java : BigDecimal
1047 Stack Easy Remove All Adjacent Duplicates In String Java
1051 배열 Easy Height Checker Java
1108 String Easy Defanging an IP Address Java
1185 구현 Easy Day of the Week Java
1122 배열 Easy Relative Sort Array Java
1160 배열 Easy Find Words That Can Be Formed By Characters Java
Java
1189 배열 Easy * Maximum Number of Balloons Java
1207 Map Easy Unique Number of Occurrences Java
1281 구현 Easy Subtract the Product and Sum of Digits of an Integer Java
1290 LinkedList Easy Convert Binary Number in a Linked List to Integer Java
Java
1295 배열 Easy Find Numbers with Even Number of Digits Java
1299 배열 Easy Replace Elements with Greatest Element on Right Side Java
1304 배열 Easy Find N Unique Integers Sum up to Zero Java
1309 String Easy * Decrypt String from Alphabet to Integer Mapping Java
1313 배열 Easy Decompress Run-Length Encoded List Java
1323 String Easy Maximum 69 Number Java
1324 String Medimu * Print Words Vertically : Regex Java
1337 배열 Easy The K Weakest Rows in a Matrix Java : comparable
Java : comparable
1342 구현 Easy Number of Steps to Reduce a Number to Zero Java
1346 배열 Easy Check if N and its Double Exist Java : Set
Java : 완전탐색
1347 String Easy Generate a String With Characters That Have Odd Counts Java
1351 배열 Easy Count Negative Numbers in a Sorted Matrix Java
1394 배열,해시 Easy Find Lucky Integer in an Array Java
1408 배열,해시 Easy String Matching in an Array Java
1417 String Easy Reformat The String Java
1422 String Easy Maximum Score After Splitting a String Java
1436 해시 Easy Destination City Java
1446 String Easy Consecutive Characters Java
1450 배열 Easy Number of Students Doing Homework at a Given Time Java
1455 String Easy Check if a Word Occurs As a Prefix of Any Word in a Sentence Java
1460 배열 Easy Make Two Arrays Equal by Reversing Sub-arrays Java
1464 배열 Easy Maximum Product of Two Elements in an Array Java
1470 배열 Easy Shuffle the Array Java
1475 배열 Easy Find Prices With a Special Discount in a Shop Java
1480 배열 Easy Running Sum of 1d Array Java
1486 배열 Easy XOR Operation in an Array Java
1496 배열 Easy * Path Crossing Java
1502 배열 Easy Can Make Arithmetic Progression From Sequence Java
1512 해시 Easy Number of Good Pairs Java
1518 구현 Easy Water Bottles Java
1528 배열 Easy Shuffle String Java : array
Java : comparable
1534 배열� Easy Count Good Triplets Java
1539 해시 Easy Kth Missing Positive Number Java
1544 Stack Easy Make The String Great Java
Java : deque
1545 String Medium Find Kth Bit in Nth Binary String Java
1550 배열 Easy Three Consecutive Odds Java
1566 배열 Easy * Detect Pattern of Length M Repeated K or More Times Java : array idea Java : String
1572 배열 Easy Matrix Diagonal Sum Java
1588 배열 Easy Sum of All Odd Length Subarrays Java * Java : Combination
1592 String Easy Rearrange Spaces Between Words Java
1619 배열 Easy Mean of Array After Removing Some Elements Java
1636 배열 Easy Sort Array by Increasing Frequency Java
1652 배열 Easy Defuse the Bomb Java
1657 해시 Medium Determine if Two Strings Are Close Java
1662 String Easy Check If Two String Arrays are Equivalent Java
1668 String Easy Maximum Repeating Substring Java
1672 해시 Easy Richest Customer Wealth Java
1678 String Easy Goal Parser Interpretation Java
1679 해시 Medium Max Number of K-Sum Pairs Java
1684 String Easy Count the Number of Consistent Strings Java
1704 배열 Easy Determine if String Halves are alike Java
1716 구현 Easy Caculate Money in Leetcode Bank Java
1732 배열 Easy Find the Highest Altitude Java
1748 배열 Easy Sum of Unique Elements Java : dictionary
Java : HashMap
1768 String Easy Merge Strings Alternately Java
1773 String Easy Count Items Matching a Rule Java
1809 Array Easy Duplicate Zeros Java
1800 배열 Easy Maximum Ascending Subarray Sum Java
1812 String Easy Determine Color of a Chessboard Square Java
1816 String Easy Truncate Sentence Java
1832 String Easy Check if the Sentence Is Pangram Java
1837 String Easy Sum of Digits in Base K Java
1859 String Easy Sorting the Sentence Java

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