Compilare: main.cpp: In function 'int main()': main.cpp:25:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | while(i<s.size()) | ~^~~~~~~~~ main.cpp:59:63: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | while((s[i]>='0' && s[i]<='9')||s[i]=='x' && i<s.size()) | ~^~~~~~~~~ main.cpp:59:59: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 59 | while((s[i]>='0' && s[i]<='9')||s[i]=='x' && i<s.size()) main.cpp:11:15: warning: unused variable 'n' [-Wunused-variable] 11 | long long n,i,j,k,t,z,egal,cnt,cntx,semn,xx,numar,h; | ^ main.cpp:11:19: warning: unused variable 'j' [-Wunused-variable] 11 | long long n,i,j,k,t,z,egal,cnt,cntx,semn,xx,numar,h; | ^ main.cpp:11:21: warning: unused variable 'k' [-Wunused-variable] 11 | long long n,i,j,k,t,z,egal,cnt,cntx,semn,xx,numar,h; | ^ main.cpp:12:16: warning: unused variable 'c' [-Wunused-variable] 12 | double a,b,c; | ^