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#include <stdio.h>
int main(void)
{
unsigned int a = 200, b = 1, c = 0;
double d = 0;
c = (a - b)/10.0;
d = (a - b)/10.0;
double myvar = (a - b)/10.0;
printf("c: %f, d: %lf, myvar: %lf\n", c, d, myvar); //myvar的结果不对
return 0;
}