朱桂濡 @ 2017-10-04 14:38:41
#include <stdio.h>
int main()
{
double Sn=0,p=0;
int k,n=1;
scanf("%d",&k);
while(Sn<=k)
{
p=1.0/n;
Sn+=p;
n++;
}
printf("%d",n-1);
return 0;
}
by d3NtMDAw @ 2017-10-04 14:57:39
#include <stdio.h>
int main()
{
long double Sn=0,p=0;
int k,n=1;
scanf("%d",&k);
while(Sn<=k)
{
p=1.0/n;
Sn+=p;
n++;
}
printf("%d",n-1);
return 0;
}