auto update README.md

README.md

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 |25192. 인사성 밝은 곰곰이|[링크](./%EB%B0%B1%EC%A4%80/Silver/25192.%E2%80%85%EC%9D%B8%EC%82%AC%EC%84%B1%E2%80%85%EB%B0%9D%EC%9D%80%E2%80%85%EA%B3%B0%EA%B3%B0%EC%9D%B4/README.md)|
 |2529. 부등호|[링크](./%EB%B0%B1%EC%A4%80/Silver/2529.%E2%80%85%EB%B6%80%EB%93%B1%ED%98%B8/%EB%B6%80%EB%93%B1%ED%98%B8.cc)|
 |2563. 색종이|[링크](./%EB%B0%B1%EC%A4%80/Silver/2563.%E2%80%85%EC%83%89%EC%A2%85%EC%9D%B4/README.md)|
+|2564. 경비원|[링크](./%EB%B0%B1%EC%A4%80/Silver/2564.%E2%80%85%EA%B2%BD%EB%B9%84%EC%9B%90/%EA%B2%BD%EB%B9%84%EC%9B%90.cc)|
 |25757. 임스와 함께하는 미니게임|[링크](./%EB%B0%B1%EC%A4%80/Silver/25757.%E2%80%85%EC%9E%84%EC%8A%A4%EC%99%80%E2%80%85%ED%95%A8%EA%BB%98%ED%95%98%EB%8A%94%E2%80%85%EB%AF%B8%EB%8B%88%EA%B2%8C%EC%9E%84/README.md)|
 |2579. 계단 오르기|[링크](./%EB%B0%B1%EC%A4%80/Silver/2579.%E2%80%85%EA%B3%84%EB%8B%A8%E2%80%85%EC%98%A4%EB%A5%B4%EA%B8%B0/README.md)|
 |2583. 영역 구하기|[링크](./%EB%B0%B1%EC%A4%80/Silver/2583.%E2%80%85%EC%98%81%EC%97%AD%E2%80%85%EA%B5%AC%ED%95%98%EA%B8%B0/%EC%98%81%EC%97%AD%E2%80%85%EA%B5%AC%ED%95%98%EA%B8%B0.py)|