Eroare de compilare: user.cpp:7:1: error: ‘buffw’ does not name a type buffw[buff_size]=""; ^ user.cpp: In function ‘int main()’: user.cpp:46:29: error: ‘buffw’ was not declared in this scope posw += sprintf(buffw + posw,"%d\n",rez); ^ user.cpp:58:13: error: ‘buffw’ was not declared in this scope fwrite(buffw, posw, 1, stdout); ^ user.cpp: In function ‘void read(int&)’: user.cpp:14:111: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] while(buff[pos] < '0' || buff[pos] > '9') if(++pos == buff_size) fread(buff, 1,buff_size, stdin), pos = 0; ^ user.cpp:19:73: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++pos == buff_size) fread(buff, 1, buff_size, stdin), pos = 0; ^