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Author: SungbinYang

Day13/CollatzPredict.py

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+def solution(num):
+    answer = 0
+    
+    for i in range(500):
+        if num == 1:
+            return answer
+        else:
+            if num % 2 == 0:
+                num = num // 2
+                answer += 1
+            else:
+                num = num * 3 + 1
+                answer += 1
+    return -1
+
+n1 = 6
+n2 = 16
+n3 = 626331
+
+print(solution(n1))
+print(solution(n2))
+print(solution(n3))

Day13/KakaoTest2019.py

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+def solution(board, moves):
+    basket = []
+    answer = 0
+    for j in moves:
+        for i in range(len(board)):
+            if board[i][j-1] != 0:      
+                basket.append(board[i][j-1])		
+                board[i][j-1] = 0
+                
+                if len(basket) >= 2:
+                    while (basket[-1] == basket[-2]):   
+                        basket.pop()
+                        basket.pop()
+                        answer += 2
+                        if len(basket) < 2:
+                            break
+                break
+    return answer
+
+board = [[0,0,0,0,0],[0,0,1,0,3],[0,2,5,0,1],[4,2,4,4,2],[3,5,1,3,1]]
+moves = [1,5,3,5,1,2,1,4]
+
+print(solution(board, moves))

Day13/NomberOfHashade.py

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+def solution(x):
+    answer = x % sum([int(i) for i in str(x)]) == 0
+    return answer
+
+arr1 = 10
+arr2 = 12
+arr3 = 11
+arr4 = 13
+
+print(solution(arr1))
+print(solution(arr2))
+print(solution(arr3))
+print(solution(arr4))