<!--Markdown--> #include<stdio.h> #include<math.h> int main(void) { float a,b,c,x,l,x1,x2,s; int L,S; scanf("%f %f %f",&a,&b,&c); x=pow(b,2)-4*a*c; x1=((-1)*b+sqrt(x))/(2*a); x2=((-1)*b-sqrt(x))/(2*a); l=x1-int(x1); if(l==0) L=0; else L=1; s=x2-int(x2); if(s==0) S=0; else S=1; if(x>0) { switch(L) { case 0: printf("The roots are %.f ",x1); break; case 1: printf("The roots are %.6f ",x1); break; } switch(S) { case 0: printf("and %.f",x2); break; case 1: printf("and %.6f",x2); break; } } else if(x==0) { switch(L) { case 0: printf("The root is %.f",x1); break; case 1: printf("The root is %.6f",x1); break; } } else printf("The equation has no real roots"); return 0; }