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Kth largest N digit number divisible by M
Given three positive integers N, K, and M. The task is to find Kth largest N digit number divisible by M.Note: K will be such an integer that Kth largest N digit number di...
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Mathematical
number-digits
divisibility
Algo Geek
Algo-Geek 2021
DSA
Check if N indices of given Array can be colored by M colors using one color at most K times
Find an arrangement of M colors for N indices such that no two adjacent indices have same color and each color can be used at most K times. If no such arrangement exists, ...
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Arrays
Greedy
Mathematical
DSA
Find the Suffix Array of given String with no repeating character
Given a string str of size N, the task is to find the suffix array of the given string.Note: A suffix array is a sorted array of all suffixes of a given string.Examples:In...
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Strings
Suffix-Array
Algo Geek
Algo-Geek 2021
DSA
Sort strings on the basis of their numeric part
Given a sentence S of size N where each word is a concatenation of a numeric part followed by a bunch of characters. The task is to arrange the words in increasing order o...
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Strings
Greedy
Sorting
Heap
Algo Geek
Algo-Geek 2021
DSA
Check whether given sequence of moves is circular upon infinite repetition
Given a string str denoting a sequence of moves. The task is to check if the moves are repeated an infinite number of times then the movements will be bound in a circular ...
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Arrays
Pattern Searching
Mathematical
Algo Geek
Algo-Geek 2021
DSA
Reconstruct original string from resultant string based on given encoding technique
A binary string S of length N is constructed from a string P of N characters and an integer X. The choice of the ith character of S is as follows:If the character Pi-X exi...
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Strings
binary-string
encoding-decoding
DSA
Minimize Array by removing all distinct element pairs
Given an array A[] of length N, the task is to find the minimum size of the array after selecting and removing distinct element pairs any number of times.Examples:Input: A...
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Arrays
Greedy
Mathematical
DSA
Split given String into substrings of size K by filling elements
Given a string str of length N and an integer K, the task is to split the string into K sized groups and if the last group does not have K characters remaining, then a cha...
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Strings
substring
partition
Algo Geek
Algo-Geek 2021
DSA
Count of ordered pairs (i, j) such that arr[i] and arr[j] concatenates to X
Given an array arr[] of size N and an integer X, the task is to find the number of ordered pairs (i, j) such that i != j and X is the concatenation of the numbers arr[i] a...
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Arrays
Greedy
Algo Geek
DSA
Toloka Interview Process for Crowd Solutions Architect
Let’s get familiar with the jobA Crowd Solutions Architect (CSA) is a specialist who balances data-labeling and business processes in order to deliver to the clients in a ...
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Interview Experiences
Toloka
Experiences
Maximize sum of selected integers from an Array of pair of integers as per given condition
Given an array arr[] having N pair of integers of the form (x, y), the task is to maximize the sum y values in selected pairs such that if a pair (xi, yi) is selected, the...
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Arrays
Dynamic Programming
Mathematical
Algo Geek
Algo-Geek 2021
DSA
Maximise K that can be reduced from Array to make all elements equal
Given an array arr[] of size N, the task is to make all elements equal by applying the operation given below any number of times (possibly zero) to any of the elements in ...
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Arrays
Mathematical
Algo Geek
DSA
Find all distinct three digit numbers from given array of digits
Given an array containing digits[], where each element is a single digit integer. The array may contain duplicates. The task is to find all the unique integers that follow...
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Arrays
Greedy
Mathematical
number-digits
Algo Geek
DSA
Find largest valued even integer which is a non-empty substring of S
Given a string S of size N, representing a large integer. The task is to find the largest valued even integer which is a non-empty substring of S. If no even integer can b...
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Strings
Mathematical
strings
Algo Geek
DSA
Minimum swaps to group all 0s together in Binary Circular Array
Given a binary circular array arr[] of size N, the task is to find the minimum swaps to group all 0s together in the array.Examples:Input: arr[] = {1, 0, 1, 0, 0, 1, 1}Out...
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Arrays
Mathematical
binary-representation
sliding-window
circular-array
Swap-Program
Algo Geek
DSA
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