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Is competitive programming necessary for freshers?
Last Updated: 23 July 2025
Whether competitive programming is necessary for freshers depends on their career goals and the specific industry they plan to enter. Competitive programming, which involv...
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Competitive Programming-QnA
Difference between concatenation of strings using (str += s) and (str = str + s)
Last Updated: 23 July 2025
A string is a collection of characters. For example, "GeeksforGeeks" is a string. C++ provides primitive data types to create a string. The string can also be initialized ...
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DSA
Competitive Programming-QnA
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How to avoid overflow in modular multiplication?
Last Updated: 23 July 2025
Consider below simple method to multiply two numbers.C++ #include iostreamusing namespace std;#define ll long long// Function to multiply two numbers modulo mod...
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Modular Arithmetic
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