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  int equation (float P[ ], int n )
  ÔÚµ÷ÓÃʱ a ¸³Öµ¸ø  P [ 0 ]
          b ¸³Öµ ¸ø P [ 1 ]
          c  ¸³Öµ¸ø  P [ 2 ]
  ·µ»ØÊ±£¬µ±·µ»ØÖµÎª 0£¬ ±íʾÓÐÁ½¸öÏàµÈµÄʵ¸ù£¬P[ 0]= X1 ,P [1] = X1.
                  Ϊ 1£¬ ±íʾÓÐÁ½¸ö²»ÏàµÈµÄʵ¸ù£¬P[0 ] = X1, P[ 1] = X2.
                  Ϊ -1,±íʾÓÐÒ»¶Ô¹²¶ó ʵ¸ù£¬ P [ 0] Ϊʵ²¿£¬ P [ 1] ΪÐ鲿¡£
  a b c µÄÊäÈë¼°½âµÄÊä³öÈ«ÔÚÖ÷º¯ÊýÖÐÍê³É¡£
                                           
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C/C++ code:
#include<stdio.h>
#include<math.h>

int main()
{
float a,b,c,disc,x1,x2,realpart,imagpart;
scanf("%f,%f,%f",&a,&b,&c);
printf("The equation");
if(fabs(a)<=1e-6)
printf("is not a quadratic\n");
else
{
disc=b*b-4*a*c;
if(fabs(disc)<=1e-6)
printf("has two equal roots:%8.4f\n",-b/(2*a));
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int main()
{
  char x, y, z;
  int i;
  int a[16];
  for(i=0; i<=16; i++)
  {
  a[i] = 0;
  ......

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struct BBB
{
long num£»
char *name;
short int data;
char ha;
short ba[5];
}*p;
p=0x1000000;
p+0x200=____;
(Ulong)p+0x200=____;
(char*)p+0x200=____;
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#include<stdio.h>
#include<stdlib.h>
#include& ......
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