该题40%, 交卷18分，怀疑人生。 import sys if __name__ == '__main__': n = int(sys.stdin.readline().strip()) for _ in range(n): strs = [] flag = False m = int(sys.stdin.readline().strip()) for i in range(m): line = sys.stdin.readline().strip() strs.append(line) for i in range(len(strs)-1): for j in range(i+1, len(strs)): str1 = strs[i] str2 = strs[j] for k in range(len(str2)): if str1[0] == str2[k]: str3 = str2[k:] + str2[:k] str41 = str2[:k+1] str42 = str2[k+1:] str4 = str41[::-1] + str42[::-1] if str1 == str3 or str1 == str4: flag = True if flag: print('Yeah') else: print('Sad')