Compilare: user.cpp: In function ‘void Solve()’: user.cpp:91:29: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(a[q] == ' ' && (a[q+1] >= 'a' && a[q+1] <= 'z') || a[q] == ')') ^ user.cpp:66:13: warning: variable ‘nrs’ set but not used [-Wunused-but-set-variable] int i,j,nrs,l,lg,q,ok; ^ user.cpp:66:17: warning: unused variable ‘l’ [-Wunused-variable] int i,j,nrs,l,lg,q,ok; ^ user.cpp:66:19: warning: unused variable ‘lg’ [-Wunused-variable] int i,j,nrs,l,lg,q,ok; ^ user.cpp:67:10: warning: unused variable ‘s1’ [-Wunused-variable] char s1[101],s2[101]; ^ user.cpp:67:18: warning: unused variable ‘s2’ [-Wunused-variable] char s1[101],s2[101]; ^ user.cpp: In function ‘int Comparare(int, int)’: user.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^