https://www.codechef.com/viewsolution/46284127
HERE IS THE LINK FOR MY SOLUTION
I TOOK SOME DIFFERENT APPROACH TO SOLVE THE PROBLEM.BUT I AM GETTING WA.
ALGORITHM WISE,I DON’T SEE ANY MISTAKES IN LOGIC.PLEASE SOMEONE LOOK INTO MY SOLUTION AND HELP ME
I FORM SUB-MATRIX FROM BOTTOM TO TOP
DP[ROW][COLUMN][LENGTH OF SUB-MATRIX -1] THIS IS DP USAGE… STORING THE SUM OF THAT PARTICULAR SUB-MATRIX