diff --git "a/jupyter471/week10/[SWEA]1859-\353\260\261\353\247\214 \354\236\245\354\236\220 \355\224\204\353\241\234\354\240\235\355\212\270.py" "b/jupyter471/week10/[SWEA]1859-\353\260\261\353\247\214 \354\236\245\354\236\220 \355\224\204\353\241\234\354\240\235\355\212\270.py"
new file mode 100644
index 0000000..6d9b41f
--- /dev/null
+++ "b/jupyter471/week10/[SWEA]1859-\353\260\261\353\247\214 \354\236\245\354\236\220 \355\224\204\353\241\234\354\240\235\355\212\270.py"	
@@ -0,0 +1,15 @@
+T = int(input())
+# 여러개의 테스트 케이스가 주어지므로, 각각을 처리합니다.
+for test_case in range(1, T + 1):
+    # ///////////////////////////////////////////////////////////////////////////////////
+    n = int(input())
+    benefit = list(map(int, input().split()))
+    max_benefit = 0
+    total = 0
+    for i in range(n - 1, -1, -1):
+        if benefit[i] > max_benefit:
+            max_benefit = benefit[i]
+        else:
+            total += max_benefit - benefit[i]
+
+    print(f'#{test_case} {total}')
\ No newline at end of file
diff --git "a/jupyter471/week10/[SWEA]1954-\353\213\254\355\214\275\354\235\264 \354\210\253\354\236\220.py" "b/jupyter471/week10/[SWEA]1954-\353\213\254\355\214\275\354\235\264 \354\210\253\354\236\220.py"
new file mode 100644
index 0000000..f800cca
--- /dev/null
+++ "b/jupyter471/week10/[SWEA]1954-\353\213\254\355\214\275\354\235\264 \354\210\253\354\236\220.py"	
@@ -0,0 +1,28 @@
+T = int(input())
+movement = [(1,0),(0,-1),(-1,0),(0,1)]   #하좌상우 (시계방향)
+# 여러개의 테스트 케이스가 주어지므로, 각각을 처리합니다.
+for test_case in range(1, T + 1):
+    size = int(input())
+    #size x size - 시계방향으로
+    snail = [[0] * size for _ in range(size)]
+    num = 1
+    move_index = 0
+    for index in range(size):
+        snail[0][index] = str(num)
+        num += 1
+    #이동
+    c_row = 0
+    c_col = size-1
+    i = size-1
+    while i >= 1:
+        for _ in range(2):
+            for _ in range(i):
+                c_row += movement[move_index % 4][0]
+                c_col += movement[move_index % 4][1]
+                snail[c_row][c_col] = str(num)
+                num += 1
+            move_index += 1
+        i -= 1
+    print(f'#{test_case}')
+    for i in range(size):
+        print(' '.join(snail[i]))
diff --git "a/jupyter471/week9/[BOJ]1806-\353\266\200\353\266\204 \355\225\251.py" "b/jupyter471/week9/[BOJ]1806-\353\266\200\353\266\204 \355\225\251.py"
new file mode 100644
index 0000000..f4902ad
--- /dev/null
+++ "b/jupyter471/week9/[BOJ]1806-\353\266\200\353\266\204 \355\225\251.py"	
@@ -0,0 +1,32 @@
+"""
+길이 N인 수열
+합이 S 이상의 최소 길이
+못 만들면 0
+10 15
+5 5 5 10 6 7 5 1 9 10
+10 15
+5 5 5 10 1 2 3 4 5 9
+"""
+
+n,target = map(int, input().split())
+num = list(map(int,input().split()))
+
+start = end = 0
+number = num[0]
+length = float('inf')
+
+while start <= end and end < n:
+    if number < target:
+        end += 1
+        if end < n:
+            number += num[end]
+    elif number >= target:
+        length = min(length, end - start + 1)
+        number -= num[start]
+        start += 1
+
+
+if length == float('inf'):
+    print(0)
+else:
+    print(length)