diff --git "a/YoonYn9915/backtracking/2025-04-14-[\353\260\261\354\244\200]-#1759-\354\225\224\355\230\270 \353\247\214\353\223\244\352\270\260.py" "b/YoonYn9915/backtracking/2025-04-14-[\353\260\261\354\244\200]-#1759-\354\225\224\355\230\270 \353\247\214\353\223\244\352\270\260.py"
new file mode 100644
index 00000000..b79ed829
--- /dev/null
+++ "b/YoonYn9915/backtracking/2025-04-14-[\353\260\261\354\244\200]-#1759-\354\225\224\355\230\270 \353\247\214\353\223\244\352\270\260.py"	
@@ -0,0 +1,22 @@
+def check_password(password):
+    num_vowel = sum(1 for c in password if c in 'aeiou')
+    num_consonant = len(password) - num_vowel
+    return num_vowel >= 1 and num_consonant >= 2
+
+def recursion(start, depth, password):
+    if depth == L:
+        if check_password(password):
+            answers.append(password)
+        return
+
+    for i in range(start, len(letters)):
+        recursion(i + 1, depth + 1, password + letters[i])
+
+L, C = map(int, input().split())
+letters = sorted(input().split())
+answers = []
+
+recursion(0, 0, '')
+
+for ans in answers:
+    print(ans)
diff --git "a/YoonYn9915/greedy/2025-04-18-[\353\260\261\354\244\200]-#13305-\354\243\274\354\234\240\354\206\214.py" "b/YoonYn9915/greedy/2025-04-18-[\353\260\261\354\244\200]-#13305-\354\243\274\354\234\240\354\206\214.py"
new file mode 100644
index 00000000..e8f5cdbf
--- /dev/null
+++ "b/YoonYn9915/greedy/2025-04-18-[\353\260\261\354\244\200]-#13305-\354\243\274\354\234\240\354\206\214.py"
@@ -0,0 +1,28 @@
+import sys
+
+inp = sys.stdin.readline
+
+n = int(inp())
+
+roads = list(map(int, inp().split()))
+oil_prices = list(map(int, inp().split()))
+
+# 최소 비용
+answer = 0
+# 현재 도시
+loc = 0
+
+while True:
+    # 현재 도시보다 기름값이 적은 곳 찾기
+    for i in range(loc + 1, n):
+        if oil_prices[loc] > oil_prices[i] or i == n - 1:
+            # 이곳까지 가기 위해 현재 도시에서 주유하면서 비용 소모
+            # 현재 도시의 기름값 * i번 도시까지 가야 할 거리
+            answer += oil_prices[loc] * sum(roads[loc:i])
+            loc = i
+            break
+
+    if loc == n - 1:
+        break
+
+print(answer)
\ No newline at end of file
diff --git "a/YoonYn9915/implementation/2025-04-19-[\353\260\261\354\244\200]-#6603-\353\241\234\353\230\220.py" "b/YoonYn9915/implementation/2025-04-19-[\353\260\261\354\244\200]-#6603-\353\241\234\353\230\220.py"
new file mode 100644
index 00000000..a71d37d3
--- /dev/null
+++ "b/YoonYn9915/implementation/2025-04-19-[\353\260\261\354\244\200]-#6603-\353\241\234\353\230\220.py"
@@ -0,0 +1,22 @@
+import sys
+from itertools import combinations
+
+inp = sys.stdin.readline
+
+while True:
+    arr = list(map(int, inp().split()))
+
+    # 0이면 종료
+    if arr[0] == 0:
+        break
+    # 0이 아니면
+    K = arr[0]
+    # combinations 라이브러리를 사용해 집합 S에서 조합 생성
+    answers = combinations(arr[1:K+1], 6)
+
+    for answer in answers:
+        for num in answer:
+            print(num, end=' ')
+        print()
+
+    print()
\ No newline at end of file