Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < arb[nod].size(); i++ ) { ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:34:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &D ); ^ main.cpp:36:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &a, &b ); ^