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build: solution update #105

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33 changes: 32 additions & 1 deletion hard/day_12/solution.cpp
Original file line number Diff line number Diff line change
@@ -1 +1,32 @@
//write your code here
#include<bits/stdc++.h>
using namespace std;

int main()
{
int t;
cin >> t;
while(t--)
{
int n;
cin >> n;
int arr[n];
for(int i=0; i<n; i++)
{
cin >> arr[i];
if(i % 2 == 0)
{
arr[i] = (arr[i] % 2 == 0) ? arr[i] : arr[i] + 1;
}
else
{
arr[i] = (arr[i] % 2 != 0) ? arr[i] : arr[i] + 1;
}
}

for(int i=0; i<n; i++)
{
cout << arr[i] << " ";
}
cout << endl;
}
}