Question

c语言用while语句些程序 1+1/2+1/3+……1/100？

Answer 1

#include <stdio.h>

int main()
{
double sum = 0;
int n = 1;
while( n<=100 )
{
sum = sum + 1.0 / n;
n++;
}
printf( "sum=%f\n", sum );
return 0;
}

Answer 2

#include <stdio.h>

int main(void)
{
int i = 0;
double sum = 0;
while(i++ < 100)
sum += 1.0/i;
printf("%f", sum);
return 0;
}

Answer 3

#include
<stdio.h>
int
main()
{
double
sum
=
0;
int
n
=
1;
while(
n<=100
)
{
sum
=
sum
+
1.0
/
n;
n++;
}
printf(
"sum=%f\n",
sum
);
return
0;
}