Compilare: user.cpp: In function ‘void Lines()’: user.cpp:20:10: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp: In function ‘void Column()’: user.cpp:62:11: warning: unused variable ‘j’ [-Wunused-variable] int i , j ; ^ user.cpp: In function ‘void SecondD()’: user.cpp:119:10: warning: unused variable ‘j’ [-Wunused-variable] int i , j , k = 0 , pos_Answer; ^ user.cpp: In function ‘int main()’: user.cpp:145:20: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(in,"%d",&N); ^ user.cpp:148:28: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘bool*’ [-Wformat=] fscanf(in,"%d",&M[i][j]); ^ user.cpp:172:6: warning: unused variable ‘k’ [-Wunused-variable] int k = 0 , pos_Answer; ^ user.cpp:172:14: warning: unused variable ‘pos_Answer’ [-Wunused-variable] int k = 0 , pos_Answer; ^ user.cpp: In function ‘void Column()’: user.cpp:72:51: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized] ++k , pos_Answer += DP[N][i-1][2]; ^