#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>


int k;
double * tau; 
long int *binom;

long int _binom(k, i) {
	if (i == 0) return 1;
	else return ((k-i+1)*_binom(k, i-1))/i;
}

double f(double x) {
	double y;
	int i;

	y = 0;
	for (i=0; i<=k; i++) {
		y += tau[i] * binom[i]*pow(x,i)*pow(1-x, k-i);
	}
	return y;
}

int main(int argc, char ** argv) {
	int i;
	double x, h;
  double J, W;

  srand48(time(NULL));

  J = atof(argv[1]);
  W = atof(argv[2]);
  k=atoi(argv[3]);;
  
  tau = (double *) calloc(k+1, sizeof(double));
  
  binom=(long int *) calloc(k+1, sizeof(long int));
  /* precalcolo i coeff. binomiali */
  for (i=0; i<=k; i++) {
    binom[i] = _binom(k,i);
  }
  /* calcolo le prob. di transizione */
  for (i=0; i<=k; i++) {
    h = (double) (2*i-k)/k;
    tau[i] = 1/(1+exp(-2*(J*h + W*h*h*h)));
  }
     
    
  for (x=0; x<=1; x+=0.01) {
    printf("%f %f\n", x, f(x));
  }
}