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- #include <map>
- #include <set>
- #include <list>
- #include <cmath>
- #include <ctime>
- #include <deque>
- #include <queue>
- #include <stack>
- #include <string>
- #include <bitset>
- #include <cstdio>
- #include <limits>
- #include <vector>
- #include <climits>
- #include <cstring>
- #include <cstdlib>
- #include <fstream>
- #include <numeric>
- #include <sstream>
- #include <iostream>
- #include <algorithm>
- #include <unordered_map>
- #include <utility>
- using namespace std;
- int main() {
- int T;
- cin>>T;
- while(T--){
- int n,k;
- cin>>n;
- vector<pair<int,int>> list;
- for(int i=0;i<n;i++){
- pair<int,int> pair;
- cin>>k;
- pair.second=k;
- while(k>9){
- int sum=0;
- while(k!=0){
- sum+=k%10;
- k=k/10;
- }
- k=sum;
- }
- pair.first=k;
- list.push_back(pair);
- }
- sort(list.rbegin(),list.rend());
- for(int i=0;i<n;i++){
- cout<<list[i].second<<" ";
- }
- }
- return 0;
- }
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