2nd/10_Wiki/Dev/Topic_CPP/CPP_While_Loop_RealLife.md

id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit

id	title	category	status	verification_status	canonical_id	aliases	duplicate_of	source_trust_level	confidence_score	created_at	updated_at	review_reason	merge_history	tags	raw_sources	applied_in	github_commit
cpp-while-loop-reallife	C++ While Loop Examples	Programming_Language	draft	conceptual		number reversal Yatzy example C++ while 루프 실전 예제		B	0.82	2026-07-04	2026-07-04			cpp programming-language w3schools loops while real-life-example	https://www.w3schools.com/cpp/cpp_while_loop_reallife.asp

CPP While Loop Examples

🎯 한 줄 통찰 (One-line insight)

while (numbers) still works as a bare-integer condition in C++ exactly as it did in C — relying on the same implicit non-zero-is-true rule — confirming that C++'s inherited arithmetic/truthiness semantics extend even to this somewhat unusual loop-condition style, not just to explicit boolean comparisons. [S1]

🧠 핵심 개념 (Core concepts)

• Bare-integer condition — while (numbers) treats any non-zero numbers as true; the loop stops when it becomes 0. [S1]
• Digit extraction via % 10 and / 10 — same technique as C for reversing a number's digits. [S1]
• While loop combined with if/else — the Yatzy example nests conditional logic inside the loop body. [S1]

📖 세부 내용 (Details)

• Number reversal using a bare-integer condition: int numbers = 12345; int revNumbers = 0; while (numbers) { revNumbers = revNumbers * 10 + numbers % 10; numbers /= 10; } cout << "Reversed numbers: " << revNumbers << "\n";. [S1]
• Yatzy dice-checking loop: int dice = 1; while (dice <= 6) { if (dice < 6) { cout << "No Yatzy\n"; } else { cout << "Yatzy!\n"; } dice = dice + 1; }. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

• 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources). C 챕터와 동일한 예제 및 정수 조건 특성이 확인됨.

🛠️ 적용 사례 (Applied in summary)

12345를 54321로 뒤집는 숫자 반전 알고리즘이 원문에서 직접 실전 활용 사례로 제시됨. [S1]

💻 코드 패턴 (Code patterns)

Reversing a number's digits using a bare-integer while condition (C++):

int numbers = 12345;
int revNumbers = 0;
while (numbers) {
  revNumbers = revNumbers * 10 + numbers % 10;
  numbers /= 10;
}
cout << "Reversed numbers: " << revNumbers << "\n";

✅ 검증 상태 및 신뢰도

• 상태: draft
• 검증 단계: conceptual
• 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
• 신뢰 점수: 0.82
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: C++ Tutorial
• 관련 개념: CPP While Loop, CPP Do While Loop, C While Loop RealLife
• 참조 맥락: while 루프 실전 예제 — do/while 루프(Do While Loop) 챕터로 이어짐.

📚 출처 (Sources)

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

📝 변경 이력 (Change history)

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