@@ -0,0 +1,260 @@
+class Solution:%0A    def checkInclusion(self, s1: str, s2: str) -%3E bool:%0A        c1 = Counter(s1)%0A        for i in range(len(s2) - len(s1) + 1):%0A            c2 = Counter(s2%5Bi:i+len(s1)%5D)%0A            if c1 == c2:%0A                return True%0A        return False%0A

567. Permutation in String