Bismillahir Rahmanir Rahim ///Author: Tanvir Ahmmad ///CSE,Islamic University,Bangladesh #include<iostream> #include<cstdio> #include<algorithm> #include<string> #include<cstring> #include<sstream> #include<cmath> #include<cstring> #include<vector> #include<queue> #include<map> #include<set> #include<stack> #include<vector> #include<iterator> #include <functional> ///sort(arr,arr+n,greater<int>()) for decrement of array /*every external angle sum=360 degree angle find using polygon hand(n) ((n-2)*180)/n*/ ///Floor[Log(b) N] + 1 = the number of digits when any number is represented in base b using namespace std; typedef long long ll; int main() { ll tst,n; cin>>tst; while(tst--) { vector<ll>vec; string str; cin>>n>...
I am Tanvir Ahmmad from Bangladesh. Working as a competitive programmer. It will be very pleasure to help you. Happy coding...