Image

CodeChefOpen on judge ↗

You have an image file of size 2×2, consisting of 4 pixels. Each pixel can have one of 26 different colors, denoted by lowercase Latin letters. You want to recolor some of the pixels of the image so that all 4 pixels have the same color. In one move, you can choose no more than two pixels of the same color and paint them into some other color (if you choose two pixels, both should be painted into

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