UVa 11483 Code Creator Solution

#include <cstdio>

char line[2048], ans[2048];
int main(void){
 int N, cnum = 0;
 while(scanf("%d",&N) && N){
  printf("Case %d:\n", ++cnum);
  puts("#include<string.h>\n#include<stdio.h>\nint main()\n{");
  while(N--){
   fgets(line, 2048, stdin);
   if(line[0] == 10){ N++; continue;}
   register char *p, *o = ans;
   fputs("printf(\"",stdout);
   for(p = line; *p != 10; p++){
    if(*p == '\\' || *p == '\"') *o++ = '\\';
    *o++ = *p;
   }
   *o++ = '\\'; *o++ = 'n'; *o++ = '\"'; *o++ = ')';
   *o++ = ';'; *o = 0;
   puts(ans);
  }
  puts("printf(\"\\n\");\nreturn 0;\n}");
 }
 return 0;
}