Chess Kings Chasing Game

### Read problems statements in [Russian](https://www.codechef.com/download/translated/COOK133/russian/CKCGAME.pdf). There's an $N \times N$ grid where each cell of the grid contains a positive integer. Let $V_{i,j}$ be the positive integer on the cell positioned $i$-th rows from the top and $j$-th columns from the left. Initially, Alice is at position $(A_x, A_y)$ and Bob is at $(B_x, B_y)$. Bo