c语言
求int型正整数在内存中存储时1的个数
http://www.nowcoder.com/questionTerminal/440f16e490a0404786865e99c6ad91c9
#include<stdio.h>
int main()
{
int iNumber;
while (scanf("%d", &iNumber) != EOF){
int iCount = 0;
int i = 0x1;
do {
if(iNumber & i) {
iCount++;
}
} while((iNumber = iNumber >> 1 )!= 0);
printf("%d\n", iCount);
}
return 0;
}
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