Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:26:20: error: ‘si’ was not declared in this scope ++ si; ^ user.cpp:30:17: error: ‘si’ was not declared in this scope si += trperf[i][j]; ^ user.cpp:35:5: error: ‘ss’ was not declared in this scope ss = s - si; ^ user.cpp:35:14: error: ‘si’ was not declared in this scope ss = s - si; ^ user.cpp:51:9: error: ‘frecv’ was not declared in this scope frecv[i * x[1]].ff = 1; ^