# include & ltmath.h & gt
# include & ltstring.h & gt
# include & ltstdlib.h & gt
int main()
{
int i,j,k,n,a[6],sum,avg
Floating point f[6], t;
Printf ("Please enter 5 floating-point numbers: \ n");
for(I = 0; I<5; I++)/// Enter 5 decimal places.
{
scanf("%f ",& ampf[I]);
}
sum = 0;
for(I = 0; I<5; i++)
{
t = f[I]-(int)f[I]; ///According to the comparison between the decimal part and 0.5, decide whether to round up or down.
if(t & lt; 0.5)
{
a[I]=(int)f[I];
}
else a[I]=(int)f[I]+ 1;
sum+= a[I]; ///Sum
}
avg = sum/5; ///average
printf("sum = %d,avg = %d\n ",sum,avg);
}