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- #include <bits/stdc++.h>
- #define ll long long
- #define ld long double
- #define pb push_back
- using namespace std;
- int main(){
- int t;
- cin >> t;
- while(t--){
- int n, x, sum = 0;
- cin >> n >> x;
- vector<int> v;
- for(int i = 0; i < n; i++){
- int k;
- cin >> k;
- v.pb(k);
- }
- int i = 0;
- while(i < v.size()){
- if(v[i]%x == 0){
- for(int j = 0; j < x; j++){
- v.pb(v[i]/x);
- }
- i++;
- } else{
- break;
- }
- }
- for(int i = 0; i < v.size(); i++){
- sum += v[i];
- }
- cout << sum << "\n";
- }
- return 0;
- }
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