Compilare: user.cpp: In function ‘float rez_gr21(float, float, float, float)’: user.cpp:25:12: warning: ‘sol1’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol1; ^ user.cpp: In function ‘float rez_gr22(float, float, float, float)’: user.cpp:39:12: warning: ‘sol2’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol2; ^ user.cpp: In function ‘int main()’: user.cpp:103:45: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(int(x)-48>=0 && int(x)-48<=9 && y!='^') ^