#9461: 過不了的原因?
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main()
{
double a,b,c,d,e,f,g;
while(scanf("%lf",&a)!=EOF)
{
b=a*100;
c=round(b);
g=c/100;
if(g==0)
printf("%0.2lf\n",0.00);
else if(g==0.50)
printf("%0.2lf\n",0.49);
else
printf("%0.2lf\n",g);
}
return 0;
}
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