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WA了好几次,竟然是因为e和pi的精确度不够#include <stdio.h>
#include <math.h>
#define e 2.7182818284590452354
#define pi 3.141592653589793239
int main()
{
int n,m,i,b;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%d",&m);
if(m==1)
b = 1;
else
b = m*log10(m/e) + log10(2*pi*m)/2 + 1;
printf("%d\n",b);
}
return 0;
}
之前,e和pi的位数都取小数点后五位,发现对于很多数结果是错的。
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