PersonalCorpus 版 (精华区)
Your C++ program has solved Ok the problem 694 (The Collatz Sequence)
in 0.460 seconds using as much as 388 kbytes of virtual memory.
void main()
{
double sa,a,l;
int sum,tot=0;
while (scanf("%lf%lf\n",&a,&l)) {
if ((a<0)&&(l<0)) break;
sum=1; sa=a;
while (a!=1) {
if (a-((int)(a/2))*2<0.25) a=ceil(a/2);
else { a=3*a+1; if (a>l) break; }
sum++;
}
printf("Case %d: A = %.0lf, limit = %.0lf, number of terms =
%d\n",++tot,sa,l,sum);
}
}
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