Compilare: user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:41:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0 ; i < g [ curNode ] . size() ; i ++ ) ^ user.cpp: In function ‘void print()’: user.cpp:66:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0 ; i < cutG . size() ; i ++ ) ^ user.cpp:70:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( j = 0 ; j < cutG [ i ] . size() ; j ++ ) ^ user.cpp: In function ‘void read()’: user.cpp:17:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( in , "%d %d\n" , &vSize , &eSize ); ^ user.cpp:20:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( in , "%d %d\n" , &u , &v ); ^