View Code of Problem 42

#include<stdio.h>
#include<math.h>
main(){
  int a,b,c;
  int p;
  p=b*b-4*a*c;
  float X1,X2;
  scanf("%d%d%d",&a,&b,&c);
  if(p<0){
    printf("无解");}
  else{
    X1=(-b+sqrt(p))/2*a;
    X1=(-b-sqrt(p))/2*a;}
  printf("%.2f  %.2f",X1,X2);
}