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Copy patharray_zig_zag.cpp
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60 lines (56 loc) · 813 Bytes
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/*
@Author - Jatin Goel
@Institute - IIIT Allahabad
Hardwork definitely pays off.
There is no substitute of hardwork.
There is no shortcut to success.
*/
#include <bits/stdc++.h>
using namespace std;
#define LL long long
#define F first
#define S second
#define fast_io ios::sync_with_stdio(false);cin.tie(NULL)
int main()
{
int t;
cin >> t;
while(t--)
{
int n,i;
cin >> n;
int a[n];
for(int i=0;i<n;i++)
{
cin >> a[i];
}
for(i=0;i<n-1;i++)
{
if(i%2 == 0)
{
if(a[i] > a[i+1])
{
int temp;
temp = a[i];
a[i] = a[i+1];
a[i+1] = temp;
}
}
else
{
if(a[i] < a[i+1])
{
int temp;
temp = a[i];
a[i] = a[i+1];
a[i+1] = temp;
}
}
}
for(i=0;i<n;i++)
{
cout << a[i] << " ";
}
cout << endl;
}
}