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为什么一直都是 wrong answer?? 1207 有大牛能帮我看一下吗?

Posted by UESTCTurbo at 2007-05-30 12:56:45
#include <stdio.h>
int main()
{ int x[10],y[10],i,mark[10],max[10],n=0,z;
  for (i=0;i<10;i++)
     { x[i]=0;
       y[i]=0;
       mark[i]=0;
       max[i]=0;
     }
   for(n=0;scanf("%d %d",&x[n],&y[n])!=EOF;n++)
        {

         for (i=x[n];i<=y[n];i++)
              {z=i;
               mark[n]=0;
               while(z!=1)
                 {if ((float) z/2!=z/2) z=3*z+1;
                  else z=z/2;
                  mark[n]++;
                 }
               if (max[n]<mark[n]+1) max[n]=mark[n]+1;


              }


        }
   for(i=0;i<=n-1;i++)
      {printf("%d %d %d\n",x[i],y[i],max[i]);
      }
  return(0);
}

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