The Sum

CodeChefOpen on judge ↗

You are given a very big integer and you have to perform the following operation EXACTLY once on the integer. Operation is as follow: "Remove a non-empty substring of (consecutive) digits from the integer and close the gap between them". It is allowed for resultant integer to contain leading zeros. If you removes all digits, the resultant integer is considered to be 0. You need to cal

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