1638A Reverse codeforces solution in cpp
by ujjal roy
#include<bits/stdc++.h>
using namespace std;
main()
{
int t,n,i,j;
cin>>t;
while(t--)
{
int c=1,ch=0;
cin>>n;
vector<int> a(n);
for(i=0;i<n;i++) cin>>a[i];
for(i=0;i<n;i++)
{
if(c==a[i])
{
c++;
continue;
}
else
{
for(j=i;j<n;j++)
{
if(a[j]==c)
{
reverse(a.begin()+i,a.begin()+j+1);
ch=1;
break;
}
}
}
if(ch==1) break;
}
for(i=0;i<n;i++)
{
cout<<a[i]<<" ";
}
cout<<endl;
}
return 0;
}
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