docs(10_Wiki): 위키 구조 정리 — 언어 튜토리얼 카테고리 폴더 제거 + 신규 자산 동기화

Topic_CSS/Topic_HTML/Topic_JavaScript/Topic_Prompt/Topic_Comfyui 등 기존 카테고리 폴더를 정리하고, Topic_Graphic/Dev 등 신규 산출물과 Topics 내부 세션/메모리 기록을 동기화.
2026-07-05 00:10:59 +09:00
parent a397bc4720
commit 1cfd3bbb56
1495 changed files with 68534 additions and 27 deletions
@@ -0,0 +1,71 @@
+---
+id: c-while-loop-reallife
+title: "C While Loop Examples"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["number reversal", "Yatzy example", "C while 루프 실전 예제"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.84
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["c", "programming-language", "w3schools", "loops", "while", "real-life-example"]
+raw_sources: ["https://www.w3schools.com/c/c_while_loop_reallife.php"]
+applied_in: []
+github_commit: ""
+---
+
+# [[C While Loop Examples]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+The number-reversal example uses `while (numbers)` — a bare integer as the condition, not an explicit comparison — relying on C's implicit rule that any NON-ZERO value is truthy and `0` is falsy; the loop naturally terminates once repeated division (`numbers /= 10`) drives the value down to exactly 0, showing that C loop conditions don't need to be boolean-shaped expressions at all, just any value that eventually becomes 0. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Bare-integer condition** — `while (numbers)` treats any non-zero `numbers` as true; the loop stops precisely when `numbers` becomes 0. [S1]
+- **Digit extraction via `% 10` and `/ 10`** — `numbers % 10` isolates the last digit; `numbers /= 10` removes it, a combination reused from the modulus/division operators. [S1]
+- **Number reversal by rebuilding** — `revNumbers = revNumbers * 10 + numbers % 10;` shifts previously-extracted digits left and appends the newly extracted one, building the reversed number digit by digit. [S1]
+- **While loop combined with if/else** — the Yatzy example nests conditional logic inside the loop body to react differently depending on the current iteration's value. [S1]
+
+## 📖 세부 내용 (Details)
+- Even-numbers-only printer: `int i = 0; while (i <= 10) { printf("%d\n", i); i += 2; }`. [S1]
+- Number reversal using a bare-integer condition: `int numbers = 12345; int revNumbers = 0; while (numbers) { revNumbers = revNumbers * 10 + numbers % 10; numbers /= 10; }`. [S1]
+- Yatzy dice-checking loop: `int dice = 1; while (dice <= 6) { if (dice < 6) { printf("No Yatzy\n"); } else { printf("Yatzy!\n"); } dice = dice + 1; }`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- **정수 자체가 조건이 될 수 있음**: while(numbers)처럼 비교 연산자 없이 정수 자체를 조건으로 사용할 수 있고, 0이 아니면 참, 0이면 거짓으로 취급된다는 점이 예제로 확인됨. [S1]
+
+## 🛠️ 적용 사례 (Applied in summary)
+12345를 54321로 뒤집는 숫자 반전 알고리즘이 원문에서 직접 실전 활용 사례로 제시되며, 나머지(%)와 몫(/) 연산을 조합해 자릿수를 하나씩 분해/재조립하는 기법을 보여준다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Reversing a number's digits using a bare-integer while condition (C):
+```c
+int numbers = 12345;
+int revNumbers = 0;
+while (numbers) {
+  revNumbers = revNumbers * 10 + numbers % 10;
+  numbers /= 10;
+}
+```
+
+## ✅ 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:** [[C While Loop]], [[C Do While Loop]], [[C Operators Arithmetic]]
+- **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/c/c_while_loop_reallife.php
+
+## 📝 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).