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title

CPP While Loop

🎯 한 줄 통찰 (One-line insight)

Just as with C, the same explanation for why i is the traditional loop-counter name (short, traditional, stands for "index"/"iterator") is repeated verbatim — confirming this naming convention is treated as universal programming culture the tutorial deliberately re-teaches in every language, not something assumed to already be known from a prior language chapter. [S1]

🧠 핵심 개념 (Core concepts)

while (condition) { ... } — repeats the block as long as the condition remains true, checked before each iteration. [S1]
Mandatory condition-variable update — forgetting to change the loop-controlling variable causes an infinite loop. [S1]
i as a counter convention — short, traditional, stands for "index"/"iterator." [S1]

📖 세부 내용 (Details)

Basic counting loop: int i = 0; while (i < 5) { cout << i << "\n"; i++; }. [S1]
Countdown loop: int countdown = 3; while (countdown > 0) { cout << countdown << "\n"; countdown--; } cout << "Happy New Year!!\n";. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

현재까지 발견된 모순 사항 없음 (No contradictions found in available sources). C 챕터와 동일한 while 루프 문법 및 카운터 관례가 확인됨.

🛠️ 적용 사례 (Applied in summary)

카운트다운 후 "Happy New Year!!"를 출력하는 예제가 C 챕터와 동일하게 실전 활용 사례로 제시됨. [S1]

💻 코드 패턴 (Code patterns)

A basic counting while loop (C++):

int i = 0;
while (i < 5) {
  cout << i << "\n";
  i++;
}

✅ 검증 상태 및 신뢰도

상태: draft
검증 단계: conceptual
출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
신뢰 점수: 0.84
중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

상위/루트: C++ Tutorial
관련 개념: CPP Switch, CPP While Loop RealLife, C While Loop
참조 맥락: 반복문 섹션 첫 챕터 — while 루프 실전 예제(While Loop RealLife) 챕터로 이어짐.

📚 출처 (Sources)

[S1] W3Schools — C++ While Loop — https://www.w3schools.com/cpp/cpp_while_loop.asp

📝 변경 이력 (Change history)

2026-07-04: Initial draft synthesized from the W3Schools "C++ While Loop" page (Astra wiki-curation, P-Reinforce v3.1 format).

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