2016年12月14日學習總結----位運算程式
阿新 • • 發佈：2019-01-02
#include <stdio.h>
#include <string.h>
#define MAX_SIZE 1024
int len;
char src[MAX_SIZE];
void num_to_string(int m)
{
int i = 0;
int temp;
while(m != 0)
{
src[i] = ! (m % 2) + '0';
i++;
m = m / 2;
}
src[i] = '\0';
len = strlen(src);
for(i = 0;i < len / 2;i++)
{
temp = src[i];
src[i] = src [len - i - 1];
src[len - i - 1] = temp;
}
}
void str_adj(int p1,int p2,char *src)
{
int j = 0;
while(j < (p2 - p1 + 1))
{
src[j] = src[len - p2];
j++;
len++;
}
src[j] = '\0';
}
int main()
{
int a;
int p1;
int p2;
printf("please input a number:\n");
scanf("%d",&a);
num_to_string(a);
printf("length of a(binary):%d\n",len);
printf("please input two numbers(p1 < p2 < length):\n");
scanf("%d %d",&p1,&p2);
num_to_string(a);
str_adj(p1,p2,src);
printf("result:%s\n",src);
return 0;
}
#include <string.h>
#define MAX_SIZE 1024
int len;
char src[MAX_SIZE];
void num_to_string(int m)
{
int i = 0;
int temp;
while(m != 0)
{
src[i] = ! (m % 2) + '0';
i++;
m = m / 2;
}
src[i] = '\0';
len = strlen(src);
for(i = 0;i < len / 2;i++)
{
temp = src[i];
src[i] = src [len - i - 1];
src[len - i - 1] = temp;
}
}
void str_adj(int p1,int p2,char *src)
{
int j = 0;
while(j < (p2 - p1 + 1))
{
src[j] = src[len - p2];
j++;
len++;
}
src[j] = '\0';
}
int main()
{
int a;
int p1;
int p2;
printf("please input a number:\n");
scanf("%d",&a);
num_to_string(a);
printf("length of a(binary):%d\n",len);
printf("please input two numbers(p1 < p2 < length):\n");
scanf("%d %d",&p1,&p2);
num_to_string(a);
str_adj(p1,p2,src);
printf("result:%s\n",src);
return 0;
}