Compilare: user.cpp: In function 'void cata_solve(int*, int*)': user.cpp:111: warning: unused variable 'ng' user.cpp: In function 'void mul(int*, int*, int*)': user.cpp:253: warning: unused variable 'i' user.cpp:253: warning: unused variable 'j' user.cpp: In function 'void gen2()': user.cpp:416: warning: unused variable 'TO' user.cpp: In function 'int main()': user.cpp:482: warning: unused variable 'i' user.cpp:482: warning: unused variable 'j' user.cpp:482: warning: unused variable 't' /tmp/ccp64xsN.o: In function `main': user.cpp:(.text+0x1278): warning: the `gets' function is dangerous and should not be used.