c语言编程 1+1/2+1/3+...+1/100

#include<stdio.h>
main()
{
float i=0,s=0;
for(i=1;i<=100;i++)
s+=1/i;
printf("1+1/2+1/3+...+1/100=%f",s);
}

#include<stdio.h>
main()
{
int i,s=0;
for(i=1;i<=50;i++) s+=i+i+50;
printf("result: %d",s);
}

main()
{
float sum = 0;
float i = 1;

for( i = 1; i <= 100; i++ )
{
sum += 1.0 / i;
}
}