diff --git a/honggukang0623/.DS_Store b/honggukang0623/.DS_Store
new file mode 100644
index 0000000..ec44c9b
Binary files /dev/null and b/honggukang0623/.DS_Store differ
diff --git a/oesnuj/README.md b/oesnuj/README.md
index d0b1139..586d2a4 100644
--- a/oesnuj/README.md
+++ b/oesnuj/README.md
@@ -17,4 +17,5 @@
 | 13차시 | 2024.07.28 | DP | [부녀회장이 될테야](https://www.acmicpc.net/problem/2775)  | [#44](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/44) |
 | 14차시 | 2024.08.05 | 해시 | [ 나는야 포켓몬 마스터 이다솜 ](https://www.acmicpc.net/problem/1620)  | [#46](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/46) |
 | 15차시 | 2024.08.10 | 그리디 | [ 주식 ](https://www.acmicpc.net/problem/11501)  | [#47](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/47) |
+| 16차시 | 2024.09.13 | 구현 | [ 달력 ](https://www.acmicpc.net/problem/20207)  | [#50](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/50) |
 ---
diff --git "a/oesnuj/\352\265\254\355\230\204/20207.cpp" "b/oesnuj/\352\265\254\355\230\204/20207.cpp"
new file mode 100644
index 0000000..08b6bc3
--- /dev/null
+++ "b/oesnuj/\352\265\254\355\230\204/20207.cpp"
@@ -0,0 +1,42 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+struct EventPeriod
+{
+    int start, end;
+};
+
+int main()
+{
+    int N;
+    cin >> N;
+    vector <EventPeriod> v(N);
+    int days[365] = {0};
+
+    for(int i = 0; i < N; i++)
+    {
+        cin >> v[i].start >> v[i].end; //일정 시작일, 종료일 입력받기
+
+        for (int k = v[i].start - 1; k < v[i].end; k++) {
+            days[k]++; //일정에 포함되는 날의 배열 값 +1;
+        }
+    }
+
+    int result = 0;
+    int height = 0, width = 0;
+    for (int i = 0; i < 365; i++) {
+        if (days[i] != 0) {
+            width++;
+            height = max(height, days[i]);
+        }
+        
+        if (days[i + 1] == 0) {
+            result += height * width;
+            width = 0;
+            height = 0;
+        }
+    }
+    cout << result;
+    return 0;
+}
\ No newline at end of file
diff --git a/pu2rile/.DS_Store b/pu2rile/.DS_Store
index 66ea887..a2036e2 100644
Binary files a/pu2rile/.DS_Store and b/pu2rile/.DS_Store differ
diff --git a/pu2rile/README.md b/pu2rile/README.md
index 9307979..9e8c156 100644
--- a/pu2rile/README.md
+++ b/pu2rile/README.md
@@ -18,4 +18,4 @@
 | 14차시 | 2024.08.05 |  트리  | [이진 탐색 트리](https://www.acmicpc.net/problem/5639)  | [#45](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/45)
 | 15차시 | 2024.08.15 |  트리  | [나무 탈출](https://www.acmicpc.net/problem/15900)  | [#48](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/48)
 | 16차시 | 2024.09.15 |  그리디 알고리즘  | [신입 사원](https://www.acmicpc.net/problem/15900)  | [#51](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/51)
-| 17차시 | 2024.09.24 |  문자열  | [콰트로치즈피자](https://www.acmicpc.net/problem/27964)  | [#54](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/54)
+| 17차시 | 2024.09.24 |  문자열  | [콰트로치즈피자](https://www.acmicpc.net/problem/27964)  | [#54](https://github.com/AlgoLeadMe/AlgoLeadMe-10/pull/54)
\ No newline at end of file
diff --git "a/pu2rile/\352\267\270\353\246\254\353\224\224 \354\225\214\352\263\240\353\246\254\354\246\230/\354\213\240\354\236\205 \354\202\254\354\233\220.py" "b/pu2rile/\352\267\270\353\246\254\353\224\224 \354\225\214\352\263\240\353\246\254\354\246\230/\354\213\240\354\236\205 \354\202\254\354\233\220.py"
new file mode 100644
index 0000000..2fe538b
--- /dev/null
+++ "b/pu2rile/\352\267\270\353\246\254\353\224\224 \354\225\214\352\263\240\353\246\254\354\246\230/\354\213\240\354\236\205 \354\202\254\354\233\220.py"	
@@ -0,0 +1,19 @@
+T = int(input())
+
+for _ in range(T):
+    N = int(input())
+    score = [list(map(int, input().split())) for _ in range(N)]
+
+    # 서류 심사 성적 기준으로 오름차순 정렬
+    rank_1 = sorted(score)
+    top = 0 # 서류 성적이 가장 좋은 사람을 기준으로 설정 (첫 번째 사람)
+    result = 1  # 첫 번째 지원자는 항상 합격하므로 결과를 1로 시작
+    
+    # 2번째 지원자부터 서류 성적 순으로 면접 성적 비교
+    for i in range(1, len(rank_1)):
+        # 현재 지원자의 면접 성적이 기준점(top)의 지원자보다 좋으면 (숫자가 낮으면)
+        if rank_1[i][1] < rank_1[top][1]:
+            top = i # 기준점(top)을 현재 지원자로 갱신
+            result += 1
+    
+    print(result)   
\ No newline at end of file