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/*
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ÏÂÃæµÄ³ÌÐòÊÇÕý½â¡£ÆäÖÐnum &= (num - 1) »áÏû³ýnumµÄ×îСλÖõÄ"1"
*/
#include <stdio.h>
int numOnesInBinary(int num)
{
int numOnes = 0;
while (num != 0) {
num &= (num - 1);
numOnes++;
}
return numOnes;
}
int main()
{
printf("%d", numOnesInBinary(-1));
return 0;
}
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#ifndef  ......
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#include <stdio.h>
#include <string.h> /* ³ÌÐò¶à´Îµ÷ÓÃbiodkey()£¬Ó¦°üº¬Í·Îļþbios.h */
#include <bios.h><br>/* ³ÌÐò¶à´Îµ÷ÓÃclrscr()£¬Ó¦°üº¬Í·Îļþconio.h */
#include <conio.h>
#define MAX 100
#define PAGE 2
#define PRINT1 printf("------------------------------ ......
#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) ......
googletest C/C++ ²âÊÔ¿ò¼Ü·Ç³£ºÃÓ㬽éÉܼ°ÏÂÔØÇë¿´ http://code.google.com/p/googletest/
//============================================================================
// ʹÓà googletest ²âÊÔ¿ò¼Ü
//============================================================================
// Returns n! ......