#include<stdio.h> #include<string.h> int main() { char str[100],sti[100]; int i,count=0,n=0; while(gets(str)!=NULL) { for (i=strlen(str)-1;i>=0;i--) { if(str[i]!=',') { if(count==3) { sti[n++]=','; count=0; } sti[n++]=str[i]; count++; } } n--; for(i=0;n>=0;n--,i++) str[i]=sti[n]; printf("%s\n",str); n=count=0; for(i=0;i<100;i++) str[i]=sti[i]=NULL; } return 0; } |
Double click to view unformatted code.