Compilare: user.cpp: In function ‘int main()’: user.cpp:77:9: warning: unused variable ‘cam’ [-Wunused-variable] int cam=0; ^ user.cpp: In function ‘bool srt(mys, mys)’: user.cpp:25:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:40:5: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] int t; ^