POJ 1003

/*
* poj_1003.c
* accepted
*/
#include <stdio.h>
#define EPS (1e-6)

static int poj_1003 (double value);

int main (int argc, char * argv[]){
double d_t;
double d_eps;
scanf("%lf", &d_t);
while (EPS < d_t){
printf("%d card(s)\n", poj_1003 (d_t));
scanf("%lf", &d_t);
}
return 0;
}

static int poj_1003 (double value){
int i = 1;
double d = 0;
while ( value-d > EPS){
i ++;
d += 1.0/i;
}
return i-1;
}