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- #include <bits/stdc++.h>
- using namespace std;
- int main() {
- int t;
- cin>>t;
- while(t--){
- int n;
- cin>>n;
- set<int> st;
- for(int i=1; i<=n; i++)
- st.insert(i);
- for(int i=1; i<=n; i++)
- {
- if(i%2)
- {
- cout<<*st.begin()<<" ";
- st.erase(st.begin());
- }
- else
- {
- cout<<*st.rbegin()<<" ";
- st.erase(--st.end());
- }
- }
- cout<<"\n";
- }
- }
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