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晕 你知道一个十进制数怎么样转化为二进制的吗?哎,可以用循环的嘛!
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位操作问题
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请问,用位操作怎么实现啊 ??????
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用栈可以实现
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自定义函数!!
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还请各位写下来吧
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整除+取余
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还请各位写下来吧
#include <stdio.h>
#include <limits.h>
#include <memory.h>
void uintToBin(unsigned int num, char *pArray)
{
unsigned int bit = ~(UINT_MAX >> 1);
while (!(num & bit))
bit >>= 1;
while (bit) {
*pArray++ = num & bit ? '1' : '0';
bit >>= 1;
}
}
void uintToBinAll(unsigned int num, char *pArray)
{
unsigned int bit = ~(UINT_MAX >> 1);
while (bit) {
*pArray++ = num & bit ? '1' : '0';
bit >>= 1;
}
}
#define BUFSIZE (sizeof(unsigned int)*8 + 1)
int main()
{
char buf[BUFSIZE];
memset(buf, 0, BUFSIZE);
uintToBin(475, buf);
printf("%s\n", buf);
memset(buf, 0, BUFSIZE);
uintToBinAll(475, buf);
printf("%s\n", buf);
return 0;
}
写了一个位操作的
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#include <stdio.h>
void main()
{
int n,m;
printf("Enter the number: ");
scanf("%d",&n);
while (n!=0)
{
m=n%2;
printf("%d",m);
n=n/2;
}
printf("\n");
}
这是我用循环做的.不过结果要反过来读.
谁能帮我修正一下.
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