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- #include<bits/stdc++.h>
- using namespace std;
- int main()
- {
- int n,i,a;
- cin>>n;
- vector<int>v;
- for(i=0;i<n;i++){
- cin>>a;
- v.push_back(a);
- }
- for(i=0;i<n;i++){
- if(v[i]%2==0)
- cout<<(v[i]-1)<<' ';
- else
- cout<<v[i]<<' ';
- }
- }
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