YUNOVA · Data Structures & Algorithms · Module 11: Advanced dynamic programming

DP on grids

Notes for offline study · 3 November 2026

DP on grids

Key points

  • Grid DP stores the answer for each cell, built from neighbouring cells.
  • Unique paths: dp[i][j] = dp[i-1][j] + dp[i][j-1].
  • Fill the table row by row so needed cells are already computed.