Compilare: user.cpp: In function ‘void Read()’: user.cpp:41:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void precalcFact()’: user.cpp:114:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void Solve()’: user.cpp:140:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp:141:26: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int count=0,result=1,ok=0; ^