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1//ÓÉÓÚʹÓÃgcc±àÒ룬ËùÒÔ±àÒëʱҪÁ´½ÓÉÏc++µÄ¿â£¬ÃüÁîÊÇgcc -lstdc++ main.cpp -o main
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2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <sys/stat.h>
5 #include <sys/types.h>
6 #include <unistd.h>
7 int main(int argc,char *argv[])
8 {
9 struct stat st;
10 float size;
11 if(stat("/home/1.avi",&st) == 0)
12 {
13 size =(((float)st.st_size)/1024)/1024;
14 printf("the exe is : %f M\n",size);
15
16 }
17
18 return 0;
19 }
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int func(x)
{
int countx = 0;
while(x)
{
countx ++;
x = x&(x-1);
}
return countx;
}
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