摘要:
Time Limit: 1000 MS Memory Limit: 131072 K Description Deoxyribonucleic acid (DNA) is a molecule that carries most of the genetic instructions used in 阅读全文
摘要:
If we sum up every digit of a number and the result can be exactly divided by 1010 , we say this number is a good number. You are required to count th 阅读全文