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Hello Programmers/Coders, Today we are going to share solutions to the Programming problems of LeetCode Solutions in C++, Java, & Python. At Each Problem with Successful submission with all Test Cases Passed, you will get a score or marks and LeetCode Coins. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.
In this post, you will find the solution for the Isomorphic Strings in C++, Java & Python-LeetCode problem. We are providing the correct and tested solutions to coding problems present on LeetCode. If you are not able to solve any problem, then you can take help from our Blog/website.
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LeetCode has over 1,900 questions for you to practice, covering many different programming concepts. Every coding problem has a classification of either Easy, Medium, or Hard.
LeetCode problems focus on algorithms and data structures. Here is some topic you can find problems on LeetCode:
- Mathematics/Basic Logical Based Questions
- Arrays
- Strings
- Hash Table
- Dynamic Programming
- Stack & Queue
- Trees & Graphs
- Greedy Algorithms
- Breadth-First Search
- Depth-First Search
- Sorting & Searching
- BST (Binary Search Tree)
- Database
- Linked List
- Recursion, etc.
Leetcode has a huge number of test cases and questions from interviews too like Google, Amazon, Microsoft, Facebook, Adobe, Oracle, Linkedin, Goldman Sachs, etc. LeetCode helps you in getting a job in Top MNCs. To crack FAANG Companies, LeetCode problems can help you in building your logic.
Link for the Problem – Isomorphic Strings– LeetCode Problem
Isomorphic Strings– LeetCode Problem
Problem:
Given two strings s
and t
, determine if they are isomorphic.
Two strings s
and t
are isomorphic if the characters in s
can be replaced to get t
.
All occurrences of a character must be replaced with another character while preserving the order of characters. No two characters may map to the same character, but a character may map to itself.
Example 1:
Input: s = "egg", t = "add" Output: true
Example 2:
Input: s = "foo", t = "bar" Output: false
Example 3:
Input: s = "paper", t = "title" Output: true
Constraints:
1 <= s.length <= 5 * 104
t.length == s.length
s
andt
consist of any valid ASCII character.
Isomorphic Strings– LeetCode Solutions
Isomorphic Strings Solution in C++:
class Solution { public: bool isIsomorphic(string s, string t) { vector<int> charToIndex_s(128); vector<int> charToIndex_t(128); for (int i = 0; i < s.length(); ++i) { if (charToIndex_s[s[i]] != charToIndex_t[t[i]]) return false; charToIndex_s[s[i]] = i + 1; charToIndex_t[t[i]] = i + 1; } return true; } };
Isomorphic Strings Solution in Java:
class Solution { public boolean isIsomorphic(String s, String t) { Map<Character, Integer> charToIndex_s = new HashMap<>(); Map<Character, Integer> charToIndex_t = new HashMap<>(); for (Integer i = 0; i < s.length(); ++i) if (charToIndex_s.put(s.charAt(i), i) != charToIndex_t.put(t.charAt(i), i)) return false; return true; } }
Isomorphic Strings Solution in Python:
class Solution: def isIsomorphic(self, s: str, t: str) -> bool: return [*map(s.index, s)] == [*map(t.index, t)]
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