Compilare: main.cpp: In function 'int main()': main.cpp:99:19: warning: too many arguments for format [-Wformat-extra-args] 99 | fprintf(fout, "&d\n", nr); | ^~~~~~ main.cpp:102:25: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wformat=] 102 | fprintf(fout, "%d ", rez[i].size()); | ~^ ~~~~~~~~~~~~~ | | | | int std::set<int>::size_type {aka long unsigned int} | %ld