Problem with the output

The output that is being displayed when I enter a custom input is not correct, but still my code is submitting with all test cases passed. Please check the discrepancy here. I think there’s some sort of malfunction in the code editor. Please help me out with this

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Pattern_Mountain_Code

Yes you code does not give correct output. The test cases for this question are weak, so luckily it may have passed.
Follow this approach :
Consider for n=4
1________1
1 2_____2 1
1 2 3__3 2 1
1 2 3 4 3 2 1
For the first row, there are 2*n-3 spaces and for subsequent rows, it decrements by 2.
First work to print the numbers in increasing order then print the spaces accordingly and then the same pattern of numbers but in reverse order.
So first do work for numbers then for spaces and then for numbers again.
And then update variables accordingly for next iterations.
Each number is separated from other by a tab so use ’ \t’ for tab space.

int nsp=2*n-3; //initializing number of spaces
int nst=1; //initializing number of numbers

for(int i=1;i<=n;i++)
{
int num=1;
//work for numbers before spaces of center
for(int cst=1;cst<=nst;cst++)
{
if(cst!=n)
cout<<(num+"\t");

num++;
}

//work for spaces
for(int csp=1;csp<=nsp;csp++)
{
cout<<(" \t");
}

//work for numbers after spaces in center
for(int cst=num-1;cst>=1;cst–)
{
cout<<(cst+"\t");
}
//preparation for next iteration
nsp=nsp-2;
nst++;
cout<<endl;
}

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