Grid Game

CodeChefOpen on judge ↗

Bhima and Arjun are playing a game. In the game, Bhima gave Arjun a grid A of size N × M, i.e. containing N rows and M columns. Then Bhima asks Q queries to Arjun which Arjun has to answer correctly to win the game. In each query Bhima gives two coordinates (a, b) and (x, y) to Arjun. Arjun has to tell the sum of all the elements of the grid which lies within the bounds of the given coordinates,

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI