Compilare: user.cpp: In function ‘int main()’: user.cpp:14:25: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while(p=strchr(a,')')) ^ user.cpp:10:19: warning: unused variable ‘s’ [-Wunused-variable] char a[100] , s[100] , v[100] , cuv[20]; ^ user.cpp:10:28: warning: unused variable ‘v’ [-Wunused-variable] char a[100] , s[100] , v[100] , cuv[20]; ^ user.cpp:10:37: warning: unused variable ‘cuv’ [-Wunused-variable] char a[100] , s[100] , v[100] , cuv[20]; ^ user.cpp:11:16: warning: unused variable ‘P’ [-Wunused-variable] char *p , *P; ^ user.cpp:13:23: warning: unused variable ‘k’ [-Wunused-variable] int S=0 , numar , k=0 , l=0; ^ user.cpp:13:29: warning: unused variable ‘l’ [-Wunused-variable] int S=0 , numar , k=0 , l=0; ^