1-2

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



float f(float n){
    float y;
    if(abs(n)<=0.1){
        y=(n*n*n-0.1);
    }
    if(abs(n)>0.1 && abs(n)<=0.2){
        y=(0.2*n-0.1);
    }
    if(abs(n)>0.2){
        y=(n*n*n+0.1);
    }
    return y;
}
int main()
{
    FILE *file = fopen("in.txt", "r");
    float a,b,h;
    fscanf(file, "%f%f%f", &a,&b,&h);
    for(float n=a; n<=b;n=n+h){
        printf("%f %f\n", n, f(n));
    }
    return 0;
}