Compilare: user.cpp: In function ‘int main()’: user.cpp:34:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(!put[i]) ^ user.cpp:39:31: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(out, "%I64d", rasp); ^ user.cpp:15:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &c, &d); ^