24_kakao_가장 많이 받은 선물

Author: AMinSC

data/py/lv1/Lv1_2024_카카오_가장 많이 받은 선물_구현_성철.py

@@ -0,0 +1,24 @@
+def solution(friends, gifts):
+    score = {name: {friend: 0 for friend in friends} for name in friends}
+    
+    for gift in gifts:
+        p, d = gift.split()
+        
+        score[p][p] += 1
+        score[d][d] -= 1
+        
+        score[p][d] += 1
+        score[d][p] -= 1
+
+    gift = {name: 0 for name in friends}    
+
+    for order, fre in score.items():
+        cnt = 0
+        for k, v in fre.items():
+            if v > 0 and order != k:
+                cnt += 1
+            elif v == 0 and (score[k][k] < score[order][order]) and order != k:
+                cnt += 1
+        gift[order] = cnt
+    
+    return max(gift.values())