Compilare: user.cpp: In function ‘int matrice(int, int, int*, int*)’: user.cpp:67:9: warning: unused variable ‘t’ [-Wunused-variable] int t=backLCS(matrix,rows,cols); ^ user.cpp:74:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int backLCS(int (*)[257], int, int)’: user.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type] } ^