Compilare: main.cpp: In function 'void sort(int)': main.cpp:15:44: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("%d -> %d\n",node,v[node].size()); ^ main.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[node].size(); i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:31:10: warning: statement has no effect [-Wunused-value] for(m; m > 0; m--){ ^ main.cpp:40:12: warning: statement has no effect [-Wunused-value] for(poz; poz >= 0; poz--){ ^ main.cpp:29:21: warning: unused variable 'k' [-Wunused-variable] int n, m, i, j, k; ^ main.cpp:30:29: 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:32:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&i,&j); ^