#include <stdio.h>
int invert_end(int num,int bits);
int main(void){
int number=0;
int bit=0;
int result=0;
puts("Enter a number:");
scanf("%d",&number);
puts("How many bits do you want to invert?:");
scanf("%d",&bit);
result=invert_end(number,bit);
printf("%d",result);
}
int invert_end(int num,int bits){
int mask=0;
int bitval=1;
while(bits-->0){
mask|=bitval;
bitval<<=1;
}
return num^mask;
int invert_end(int num,int bits);
int main(void){
int number=0;
int bit=0;
int result=0;
puts("Enter a number:");
scanf("%d",&number);
puts("How many bits do you want to invert?:");
scanf("%d",&bit);
result=invert_end(number,bit);
printf("%d",result);
}
int invert_end(int num,int bits){
int mask=0;
int bitval=1;
while(bits-->0){
mask|=bitval;
bitval<<=1;
}
return num^mask;
}
本文转hackfreer51CTO博客，原文链接：http://blog.51cto.com/pnig0s1992/420990，如需转载请自行联系原作者
