Compilare: user.cpp: In function ‘int main()’: user.cpp:53:33: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘LL {aka long long int}’ [-Wformat=] fprintf( g, "%d\n", rez ); ^ user.cpp: In function ‘void Next()’: user.cpp:73:36: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] std::fread( r, 1, MAXR, f ); ^