SORTING

bool comparator(int a, int b){
    return a>b;
}
 
int main(){
    vector<int> v = {5,1,4,8,7,4,9,2};
    sort(v.begin(),v.end(),comparator);
    for(int i : v){
        cout << i << " ";
    }
    cout << endl;
// 5 4 3 2 1
    string s = "hello world";
    sort(begin(s),end(s));
    cout << s;
    while(1){}
    return 0;
}