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First Repeating Element in an Array (C++)
Why My First Approach Was Wrong — and How I Fixed It Problem Clarification Very Important The task is to find the element whose first occurrence index is small...
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10 Secret Tips That Make You Better at DSA
Data Structures and Algorithms DSA often feel overwhelming at first. With so many concepts, patterns, and problem types, it’s easy to feel stuck or slow. But he...
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How to Play Oonch Neech (Tag Variation -Ages 4–8)
Oonch Neech is a strategic tag game commonly played in Pakistan and parts of India where children use elevated surfaces to stay “safe.” Through playing Oonch Ne...
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I got paid minimum wage to solve an impossible problem
Article URL: https://tiespetersen.substack.com/p/i-got-paid-minimum-wage-to-solve Comments URL: https://news.ycombinator.com/item?id=46564618 Points: 16 Comment...
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[BOJ/C++] 단계별로 풀어보기 - 브루트 포스
2026.01.08일차 입니다. 브루트 포스 풀어보았습니다. 브루트 포스Brute Force란 무차별 대입이라고도 부르며 모든 경우의 수를 대입하여 답을 찾는 방법입니다. 2798번 블랙잭 문제 링크 NC3 문제이므로 세 개의 반복문을 통해 구현해야 합니다. cpp include usi...
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Questions to ask to find which linear pattern is needed
Below is a pattern‑selection cheat sheet. For each pattern, ask yourself the listed questions while reading the problem. If you answer YES, that pattern is like...
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[BOJ/C, C++] 단계별로 풀어보기 / 입출력과 사칙연산 ~ 1차원 배열
1008번 A/B 문제 링크 c include int main { double A, B; scanf'%lf %lf', &A, &B; printf'%.9lf', A / B; } 소수점 아래 9자리 이상을 출력하면 안전합니다. float는 약 6자리만 정확히 표현하므로 double을 사용...
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Why Greedy Can Feel Unintuitive (and How I’m Making Sense of It)
Motivation Someone asked on Discord how to identify greedy solutions in problems where they aren’t very obvious. They mentioned two problems in particular: Jum...
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DSA Doesn’t Make You a Better Engineer (Alone)
Introduction Let’s address the elephant in the interview room. DSA is a skill. Somehow, solving algorithm problems has turned into a moral flex: “I’ve solved 4...
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The leetcode comfort trap
The Comfort Loop Solving 2–3 LeetCode problems and going to sleep feeling accomplished is the same dopamine loop as hitting the gym, training hard, and going h...
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58. Length of Last Word | LeetCode | Top Interview 150 | Coding Questions
'markdown Forem Communities
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Three Ways to Solve Problems
Article URL: https://andreasfragner.com/writing/three-ways-to-solve-problems Comments URL: https://news.ycombinator.com/item?id=46345125 Points: 8 Comments: 0...