#include #define N 10000 char str1[N],str2[N]; void input(char *str) { char tmp[N]; getchar(); gets(tmp); while(gets(tmp) && strcmp(tmp,"END")) { if(strlen(tmp)==0) strcat(str,"\n"); else strcat(str,tmp); } } void dechar(char *str,int len) { char tmp[N]; int t=0; for(int i=0;i