number = int(input()) rest = ['', ''] tell_fast = ['', ''] while number: # print("number:", number) arry_number = int(input()) arry_rest = arry_number while arry_number: a, b = input().split() if tell_fast[abs(number-2)] == '': tell_fast[abs(number-2)] = int(b) - int(a) # arry_rest.append(b) if int(b)-int(a) == tell_fast[abs(number-2)]: rest[abs(number-2)] = 'YES' else: rest[abs(number-2)] = 'NO' # print(arry_number) arry_number = arry_number - 1 # print("arry_number:", arry_number) # rest.append(arry_rest[-1]) number = number - 1 # print(rest) for _ in rest: print(_) |
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