Sums in a Triangle Codechef Problem Solution

https://www.codechef.com/problems/SUMTRIAN

In C++........

    #include<bits/stdc++.h>

    using namespace std;

    int main()

    {
        int i,j,t,n;
        cin>>t;
       while(t--)
       {
           cin>>n;
           int a[n][n];
           for(i=0;i<n;i++)
           {
               for(j=0;j<=i;j++)
               {
                   cin>>a[i][j];
               }
           }
           for(i=n-2;i>=0;i--)
           {
               for(j=0;j<=i;j++)
               {
                   if((a[i][j]+a[i+1][j])>(a[i][j]+a[i+1][j+1]))
                   {
                        a[i][j]=a[i][j]+a[i+1][j];
                   }
                   else
                    a[i][j]=a[i][j]+a[i+1][j+1];

               }
           }
           cout<<a[0][0]<<endl;
       }
       return 0;
    }