## [CODING] PermutationForces solution codeforces

[CODING] PermutationForces solution codeforces You have a binary string 𝑎a of length 𝑛n consisting only of digits 00 and 11. You are given 𝑞q queries. In the 𝑖i-th query, you are given two indices 𝑙l and 𝑟r such that 1≤𝑙≤𝑟≤𝑛1≤l≤r≤n. Let 𝑠=𝑎[𝑙,𝑟]s=a[l,r]. You are allowed to do the following operation on 𝑠s: Choose two indices 𝑥x and 𝑦y such that 1≤𝑥≤𝑦≤|𝑠|1≤x≤y≤|s|. Let 𝑡t be the substring 𝑡=𝑠[𝑥,𝑦]t=s[x,y]. Then for all 1≤𝑖≤|𝑡|−11≤i≤|t|−1, the condition 𝑡𝑖≠𝑡𝑖+1ti≠ti+1 has to hold. Note that 𝑥=𝑦x=y is always a … Read more