MPI:如何将多个处理器中的子数组连接到更大的单个数组中

I am using MPI in C. I was able to distribute parts of an array to different processors. And the different processors did all the manipulation I wanted. Now I am at the point where I wanted to combine all the sub-arrays that are in all the processors into one big array. For example if the different processors had sub-arrrays as follows:I am using MPI in C. I was able to distribute p