Compilare: main.cpp: In function 'int main()': main.cpp:2:160: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 2 | using namespace std;int f[99999];stack<int> p;int main(){ifstream cin("parantezare.in");ofstream cout("parantezare.out");string s;int n,a,i=0;cin>>s>>n;while(i<s.size()){if(s[i]=='(')p.push(i);if(s[i]==')')f[p.top()] = i,p.pop();i++;}i=0;while(i<n)cin>>a,cout<<f[a]<<" ",i++;} | ~^~~~~~~~~