摘要： Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones.Your task is counting the segmen... 阅读全文

摘要： Description：In order to get from one of the F (1 2 and 1 –> 6 –> 5 –> 21 – 4: 1 –> 2 –> 3 –> 4 and 1 –> 6 –> 5 –> 43 – 7: 3 –> 4 –> 7 and 3 –> 2 –> 5... 阅读全文