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#include "math.h"
main()
{
float a,b,c,disc,x1,x2,p,q;
scanf("a=%f,b=%f,c=%f,",&a,&b,&c,);
disc=b*b-4*a*c;
p=-b/(2*a);
q=sqrt(disc)/(2*a);
x1=p+q; x2=p-q;
print("\n\nx1=%5.2f\nx2=%5.2f\n",x1,x2);
}

µ÷ÊÔʱ·¢Éú
--------------------Configuration: dy - Win32 Debug--------------------
Linking...
dy.obj : error LNK2001: unresolved external symbol _print
Debug/dy.exe : fatal error LNK1120: 1 unresolved externals
Ö´ÐÐ link.exe ʱ³ö´í.

dy.exe - 1 error(s), 0 warning(s)
Ôõô½â¾ö£¿

ÕâÊǵ÷ÊÔ´íÎóÂð£¿link¿âµÄÎÊÌâ°É

#include <stdio.h>

print("\n\nx1=%5.2f\nx2=%5.2f\n",x1,x2); ==¡·printf("\n\nx1=%5.2f\nx2=%5.2f\n",x1,x2);

C/C++ code:

#include "math.h"
#include <stdio.h>
main()
{
float a,b,c,disc,x1,x2,p,q;
scanf("a=%f,b=%f,c=%f,",&a,&b,&c,);
disc=b*b-4*a*c;
p=-b/(2*a);
q=sqrt(disc)/(2*a);
x1=p+q; x2=p-q;
printf("\n\nx1=%5.2f\nx2=%5.2f\n",x1,x2);
}



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