Compilare: main.cpp: In function 'int main()': main.cpp:65:19: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<cyc>::size_type' {aka 'long unsigned int'} [-Wformat=] 65 | fprintf(out,"%d\n",w.size()); | ~^ ~~~~~~~~ | | | | int std::vector<cyc>::size_type {aka long unsigned int} | %ld main.cpp:66:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<cyc>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int it=0;it<w.size()-1;it++) | ~~^~~~~~~~~~~