Compilare: main.cpp: In function 'int main()': main.cpp:60:48: warning: format '%d' expects argument of type 'int', but argument 4 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] fprintf (fout, "%d\n%d\n", costT, apm.size() ) ; ^ main.cpp:61:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < apm.size() ; i++ ) ~~^~~~~~~~~~~~ main.cpp:40:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m ) ; ^ main.cpp:42:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d", &v, &w, &c ) ; ^