King of Chefland

CodeChefOpen on judge ↗

The King of Chefland, as you can all guess, is Chef himself. Chef loves his territory so much that he has built Palace for himself in every city of his territory. Every weekend, Chef loves to travel from one city S to another city D within his territory and spend the week in his palace in city D. But, every road in Chefland connecting one city to another is unidirectional road, i.e. one can move o

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