Codeforces Numeric String Template | One-to-One Mapping Trick | Div 3 C Problem Explained (C++)
Автор: BitChaos
Загружено: 2026-03-07
Просмотров: 3
Описание:
Solve the Numeric String Template problem from Codeforces Round 966 (Div. 3) using a clean two-hashmap technique.
In this video, we explain how to check if a string matches an integer template using one-to-one mapping (bijection) between numbers and characters.
Topics covered:
Pattern matching idea
Number → Character mapping
Character → Number mapping
Efficient solution in C++
Full walkthrough with examples
Perfect for competitive programming beginners preparing for Codeforces contests.
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