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C³ÌÐò£ºÊä³ö1,2,3,..,nµÄËùÓÐ×éºÏÊý

/*
˼·£ºµÝ¹éËã·¨
´Ó¿ªÊ¼ÍùºóµÝÔöµØÐ´Êý×Ö£¬µ±Ç°´ÓnowÖµ¿ªÊ¼£¬´æ´¢µÄλÖôÓcur¿ªÊ¼£¬
ÔòÏÔÈ»¼ÓÉÏ£¬now..n£¬¶¼ÊÇеÄ×éºÏÊý£¬¶ÔÓÚÿһ¸ö£¬{ Êä³öÖ®£¬È»ºóµÝ¹é£¬´¦Àí _c(n, cur+1, a, i+1) }
*/
/* Êä³ö1,2,3,..,nµÄ×éºÏÊý */
#include <stdio.h>
#include <assert.h>
#include <malloc.h>
void c(int n)
{
extern void _c(int n, int cur, int *a, int now);
int *a;
a = (int *) malloc(n * sizeof(int));
assert(a != NULL);
_c(n, 0, a, 1);
free(a);
}
void _c(int n, int cur, int *a, int now)
{
int i,j;
for (i=now; i<=n; i++)
{
a[cur] = i;
for (j=0; j<=cur; j++)
{
printf("%d ", a[j]);
}
printf("\n");
_c(n, cur+1, a, i+1);
}
}
int main()
{
c(3);
}


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¡¡¡¡Ðí¶àÃæÊÔÌâ¿´ËÆ¼òµ¥£¬È´ÐèÒªÉîºñµÄ»ù±¾¹¦²ÅÄܸø³öÍêÃÀµÄ½â´ð¡£ÆóÒµÒªÇóÃæÊÔÕßдһ¸ö×î¼òµ¥µÄstrcpyº¯Êý¶¼¿É¿´³öÃæÊÔÕßÔÚ¼¼ÊõÉϾ¿¾¹´ïµ½Á ......

Çó·½³Ìax^2+bx+c=0µÄ¸ù(º¯Êý)

#include<stdio.h>
#include<math.h>
float x1,x2,disc,p,q;
int main()
{
void greater_than_zero(float,float);
void equal_to_zero(float,float);
void smaller_than_zero(float,float);
float a,b,c;
printf("\ninput a,b,c:");
scanf("%f,%f,%f",&a,&b,&c) ......

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´ó¼ÒºÃ£¬ÕâÀïÓÐIBMµÄÈý¸ö³¤ÆÚÐèÇ󣺾ùÊÇÐèÒª2ÄêÒÔÉÏÏà¹Ø¹¤×÷¾­Ñ飬ÆäÖÐJavaÒÔ¼°TestingÐèÒªÓ¢Óï¿ÉÒÔ½»Á÷£¬C/Unix²»ÐèÒªÓïÑÔ¡£
Java ´óÁ¬
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C³ÌÐò£ºÊ¹Óà googletest ²âÊÔ¿ò¼Ü

googletest C/C++ ²âÊÔ¿ò¼Ü·Ç³£ºÃÓ㬽éÉܼ°ÏÂÔØÇë¿´  http://code.google.com/p/googletest/
//============================================================================
// ʹÓà googletest ²âÊÔ¿ò¼Ü
//============================================================================

// Returns n! ......

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//ijˮÍõµÄ·¢ÌûÊý³¬¹ý×ÜÌùÊýµÄÒ»°ë£¬ÕÒ³öÖ®
int find(int *ID, int N)
{
int candidate;
int nTimes, i;
for (i = nTimes = 0; i < N; i++)
{
if (nTimes == 0)
{
candidate = ID[i];
nTimes = 1;
}
else if (candidate == ID[i])
{
nTimes++;
}
else
{
nTimes--;
......
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