feat : 할인 행사 구현

src/main/kotlin/jimin/49week/할인 행사.py

@@ -0,0 +1,28 @@
+from collections import defaultdict
+
+def solution(want, number, discount):
+    answer = 0
+
+    d_info = dict()
+    w_info = dict()
+    for product in set(discount):
+        d_info[product] = 0
+        w_info[product] = 0
+
+    for i in range(10):
+        d_info[discount[i]] += 1
+
+    for idx, val in enumerate(want):
+        w_info[val] = number[idx]
+
+    for i in range(10, len(discount)):
+        if w_info == d_info:
+            answer += 1
+
+        d_info[discount[i - 10]] -= 1
+        d_info[discount[i]] += 1
+
+    if w_info == d_info:
+        answer += 1
+
+    return answer