Given an array. Find the minimum number of operation to sort the array. Operation: Take element from any position of the array and put it to end.
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Given an array. Find the minimum number of operation to sort the array. Operation: Take element from any position of the array and put it to end.
Given a string. Check if the string is a concatenation of any prefix of this string (any number of times concatenation is possible). If present then print the prefix, otherwise -1.
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Can u please tell me about the difficulty level of HackWithInfy question if you experienced last year.
Specify difficulty level in comparison with either Codeforces contest or Codechef long challenge.
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