Comparison based result in DataGridView

Question

srNo	Summer	Decision	Temperature
Row1	Hot	Yes	25
Row2	Hot	Yes	36
Row3	Cold	No	45
Row4	Cold	No	52
Row5	Hot	No	52
Row6	Hot	No	74
Row7	Cold	Yes	25

By using the DataGridView I want to get such result in c# asbelow:

using  comparision Tecnique

Comparing Row1 And Row2 the result 1+1+0=2

Comparing Row 1 to Row3 the result is 0+0+0=0

Comparing Row 1 to Row4 the result is 0+0+0=0

Comparing Row 1 to Row5 the result is 1+0+0=1

Comparing Row 1 to Row6 the result is 1+0+0=1

Comparing Row 1 to Row7 the result is 0+1+0=1

this table I have made in dataGridView .I

I only need answer that is highlighted  in red .

Please Help me