Compilare: user.cpp: In function ‘void Column()’: user.cpp:53:11: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp: In function ‘void SecondD()’: user.cpp:100:10: warning: unused variable ‘j’ [-Wunused-variable] int i , j , k = 0 , pos_Answer; ^ user.cpp: In function ‘int main()’: user.cpp:138:6: warning: unused variable ‘k’ [-Wunused-variable] int k = 0 , pos_Answer; ^ user.cpp:138:14: warning: unused variable ‘pos_Answer’ [-Wunused-variable] int k = 0 , pos_Answer; ^ user.cpp: In function ‘void Lines()’: user.cpp:19:10: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i , j ; ^ user.cpp: In function ‘void Column()’: user.cpp:61:51: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] ++k , pos_Answer += DP[N][i-1][1]; ^ user.cpp:51:6: warning: ‘nr_seg_lsm.178’ may be used uninitialized in this function [-Wmaybe-uninitialized] void Column ( void ) ^