摘要：Problemhttp://code.google.com/codejam/contest/dashboard?c=433101#s=p0TheSnapperis a clever little device that, on one side, plugs its input plug into an output socket, and, on the other side, exposes an output socket for plugging in a light or other device.When aSnapperis in the ON state and is rece 阅读全文

摘要：Given only putchar (no sprintf, itoa, etc.) write a routine putlong that prints out an unsigned long in decimal.Solution:void putlong(unsigned long n){ if( n<10) { putchar(n%10+'0'); } else { putlong(n/10); putchar(n%10+'0'); } } For exa... 阅读全文