View Code of Problem 42

#include<stdio.h>
#include"math.h"
main()
{
	int a,b,c;
	double x,y,d;
	scanf("%d%d%d",&a,&b,&c);
	d=b^2-4*a*c;
	if(d>=0)
	{
		x=(-b+sprt(d))/2*a;
		y=(-b-sprt(d))/2*a;
	}
	else
	printf("请重新输入！");
	printf("%.2f %.2f",x,y);
	return;
	 
}
/*
Main.c:3:1: warning: return type defaults to 'int'
 main()
 ^
Main.c: In function 'main':
Main.c:8:7: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
  d=b^2-4*a*c;
       ^
Main.c:11:3: warning: implicit declaration of function 'sprt' [-Wimplicit-function-declaration]
   x=(-b+sprt(d))/2*a;
   ^
Main.c:17:2: warning: 'return' with no value, in function returning non-void
  return;
  ^
/tmp/cce5PFX9.o: In function `main':
Main.c:(.text+0x7b): undefined reference to `sprt'
Main.c:(.text+0xc4): undefined reference to `sprt'
collect2: error: ld returned 1 exit status
*/