Compilare: main.cpp: In function 'int main()': main.cpp:94:19: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wformat=] 94 | fprintf(fout, "%d\n", sol.size()); | ~^ ~~~~~~~~~~ | | | | int std::vector<Edge>::size_type {aka long unsigned int} | %ld main.cpp:25:30: warning: unused variable 'j' [-Wunused-variable] 25 | int n, m, i, x, y, compNo, j, first, last, isolated, lastComp, freeNodes; | ^