Compilare: main.cpp: In function 'int main()': main.cpp:80:88: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::__iterator_traits<__gnu_cxx::__normal_iterator<int*, std::vector<int> >, void>::difference_type {aka long int}' [-Wformat=] fprintf(out,"%d %d", distance(distL.begin(), imin)+1, distance(distC.begin(), jmin)); ^ main.cpp:80:88: warning: format '%d' expects argument of type 'int', but argument 4 has type 'std::__iterator_traits<__gnu_cxx::__normal_iterator<int*, std::vector<int> >, void>::difference_type {aka long int}' [-Wformat=] main.cpp:27:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d", &n, &m); ^ main.cpp:30:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d", &harta[i][j]); ^