20251116 baekjoon

code_study/Baekjoon/python/1009.py

@@ -0,0 +1,11 @@
+result = []
+for _ in range(int(input())) :
+    a, b = map(int, input().split())
+    a %= 10
+    
+    if a==0 : result.append("10")
+    elif a in [1, 5, 6] : result.append(str(a))
+    elif a in [4, 9] : result.append(str(a) if b%2 else str(a*a%10))
+    else : result.append(str(a**(b%4)%10) if b%4 else str(a**4%10))
+    
+print('\n'.join(result))