Eleven first day of training camp

XI, training time, listen to seniors talk about the topic hhs newborn race.

1. Game Bus n% (k + 1)

2. The ants did not meet a considerable hit. . .

3.while（scanf（"%d%d",&a,&b)==2{    }··········自动结束。或while(~scanf("%d%d",&a,&b)){  }

4. The reverse addition, the analog binary.

5. Sieve prime number

Self-propelled chess, %%% xxh, bold simulation! ! ! ! !