#include#includeintmain(){inta,b,c,d;printf("请输入一个三位整数：\n");scanf("%d",&a);b=fabs(a)/100;c=(fabs(a)-b*100)/10;d=fabs(a)-b*100-c*10;printf("三位整数a的逆序数是%d",d*100+c*10+b);return0;}
