编写程序,从键盘输入一个字符串和一个整数m,在原字符串中把字符串尾部...答:include<stdio.h> include<string.h> int main(){ char a[100],b[20];int i,j,n,k;gets(a);scanf("%d",&k);n=strlen(a);for(j=0,i=n-k;i<n;i++,j++)b[j]=a[i];for(j=0;j<k;j++)printf("%c",b[j]);for(i=0;i<n-k;i++)printf("%c",a[i]);printf(...