[bot]auto workbook update

Appendix D/solutions/10775.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/14595.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/1717.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/17619.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/18116.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/1976.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/20040.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/2162.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

Appendix D/solutions/7511.cpp

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+// Authored by : BaaaaaaaaaaarkingDog
+// Co-authored by : -
+// http://boj.kr/****************
+#include <bits/stdc++.h>
+using namespace std;
+
+int main(void){
+  ios::sync_with_stdio(0);
+  cin.tie(0);
+
+}

workbook.md

@@ -60,3 +60,4 @@
 | Appendix A | [문자열 기초](workbook/Appendix%20A.md) | ![100%](https://progress-bar.xyz/13/?scale=16&title=progress&width=500&color=babaca&suffix=/16) |
 | Appendix B | 동적 배열 (문제집 X) | |
 | Appendix C | [비트마스킹](workbook/Appendix%20C.md) | ![100%](https://progress-bar.xyz/2/?scale=7&title=progress&width=500&color=babaca&suffix=/7) |
+| Appendix D | [Union-Find](workbook/Appendix%20D.md) | ![100%](https://progress-bar.xyz/0/?scale=9&title=progress&width=500&color=babaca&suffix=/9) |

workbook/Appendix D.md

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+# Union-Find
+
+![100%](https://progress-bar.xyz/0/?scale=9&title=progress&width=500&color=babaca&suffix=/9)
+
+[문제집 링크](https://www.acmicpc.net/workbook/view/21218)
+
+| 문제 분류 | 문제 | 문제 제목 | 정답 코드 |
+| :--: | :--: | :--: | :--: |
+| 연습 문제 | 1717 | [집합의 표현](https://www.acmicpc.net/problem/1717) | - |
+| 연습 문제 | 7511 | [소셜 네트워킹 어플리케이션](https://www.acmicpc.net/problem/7511) | - |
+| 기본 문제✔ | 1976 | [여행 가자](https://www.acmicpc.net/problem/1976) | - |
+| 기본 문제✔ | 20040 | [사이클 게임](https://www.acmicpc.net/problem/20040) | - |
+| 응용 문제✔ | 18116 | [로봇 조립](https://www.acmicpc.net/problem/18116) | - |
+| 응용 문제✔ | 17619 | [개구리 점프](https://www.acmicpc.net/problem/17619) | - |
+| 응용 문제✔ | 14595 | [동방 프로젝트 (Large)](https://www.acmicpc.net/problem/14595) | - |
+| 응용 문제 | 10775 | [공항](https://www.acmicpc.net/problem/10775) | - |
+| 응용 문제 | 2162 | [선분 그룹](https://www.acmicpc.net/problem/2162) | - |