Simple Editor

CodeChefRating 2504Open on judge ↗

In this problem you will have to implement a simple editor. The editor maintains the content of a string S and have two following functions: "+ i x": insert a string x into the current string S after the i'th character of the S (we use 1-indexing in this problem). When i equals to 0 it mean we add x at the beginning of S. "? i len": Print the sub-string of length len starting at position i'th o

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solution.cppC++17

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