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

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+---
+id: c-operators-assignment
+title: "C Assignment Operators"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["+= -= *=", "compound assignment", "C 대입 연산자"]
+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", "operators", "assignment"]
+raw_sources: ["https://www.w3schools.com/c/c_operators_assignment.php"]
+applied_in: []
+github_commit: ""
+---
+
+# [[C Assignment Operators]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Every compound assignment operator — including the bitwise ones (`&=`, `|=`, `^=`, `>>=`, `<<=`) covered later in the Bitwise chapter — follows the identical expansion pattern `x OP= y` ≡ `x = x OP y`, meaning learning this ONE rule (rather than memorizing 11 separate operators) is enough to understand every assignment shorthand in the language, arithmetic or bitwise alike. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **`=`** — basic assignment. [S1]
+- **Arithmetic compound operators** — `+=`, `-=`, `*=`, `/=`, `%=`, each expanding to `x = x <op> value`. [S1]
+- **Bitwise compound operators** — `&=`, `|=`, `^=`, `>>=`, `<<=`, following the SAME expansion pattern as the arithmetic ones. [S1]
+- **Purpose** — pure shorthand for readability/brevity; functionally identical to the fully-spelled-out form. [S1]
+
+## 📖 세부 내용 (Details)
+- Full expansion table: `x += 3` ≡ `x = x + 3`; `x -= 3` ≡ `x = x - 3`; `x *= 3` ≡ `x = x * 3`; `x /= 3` ≡ `x = x / 3`; `x %= 3` ≡ `x = x % 3`; `x &= 3` ≡ `x = x & 3`; `x |= 3` ≡ `x = x | 3`; `x ^= 3` ≡ `x = x ^ 3`; `x >>= 3` ≡ `x = x >> 3`; `x <<= 3` ≡ `x = x << 3`. [S1]
+- Real-life savings tracker: `int savings = 100; savings += 50; // add 50 to savings printf("Total savings: %d\n", savings);`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources).
+
+## 🛠️ 적용 사례 (Applied in summary)
+저축액에 50을 더하는 savings += 50 예제가 원문에서 직접 실전 활용 사례로 제시됨(계좌 잔액 누적 갱신). [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Tracking a running total using the compound addition-assignment operator (C):
+```c
+int savings = 100;
+savings += 50; // add 50 to savings
+printf("Total savings: %d\n", savings);
+```
+
+## ✅ 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 Operators Arithmetic]], [[C Operators Comparison]], [[C Bitwise Operators]]
+- **참조 맥락:** 대입 연산자 — 비교 연산자(Operators Comparison) 챕터로 이어짐, 비트 대입 연산자는 Bitwise Operators 챕터와 연결.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C Assignment Operators — https://www.w3schools.com/c/c_operators_assignment.php
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C Assignment Operators" page (Astra wiki-curation, P-Reinforce v3.1 format).