Find Original Array From Doubled Array solution leetcode- An integer array original is transformed into a doubled array changed by appending twice the value of every element in original, and then randomly shuffling the resulting array.

Find Original Array From Doubled Array solution leetcode For Solution Click Here! An integer array original is transformed into a doubled array changed by appending twice the value of every element in original, and then randomly shuffling the resulting array. Given an array changed, return original if changed is a doubled array. If changed is not a doubled array, return an empty array. The elements in original may be returned in any order.   Find Original Array From Doubled Array solution …

Find Original Array From Doubled Array solution leetcode- An integer array original is transformed into a doubled array changed by appending twice the value of every element in original, and then randomly shuffling the resulting array. Read More »

Count Number of Pairs With Absolute Difference K solution leetcode- Given an integer array nums and an integer k, return the number of pairs (i, j) where i < j such that |nums[i] - nums[j]| == k.

Count Number of Pairs With Absolute Difference K solution leetcode For Solution Click Here! Given an integer array nums and an integer k, return the number of pairs (i, j) where i < j such that |nums[i] – nums[j]| == k. The value of |x| is defined as: x if x >= 0. -x if x < 0.   Count Number of Pairs With Absolute Difference K solution leetcode Input: …

Count Number of Pairs With Absolute Difference K solution leetcode- Given an integer array nums and an integer k, return the number of pairs (i, j) where i < j such that |nums[i] - nums[j]| == k. Read More »

A Counting Problem solution codechef- Consider an array AA of length NN. You know that for all 1≤i≤N1≤i≤N, 0≤Ai≤1050≤Ai≤105. We construct an array BB of length N−1N−1 such that, for all 1≤i≤N−11≤i≤N−1, Bi=min(Ai,Ai+1)Bi=min(Ai,Ai+1).

A Counting Problem solution codechef For Solution Click Here! Consider an array AA of length NN. You know that for all 1≤i≤N1≤i≤N, 0≤Ai≤1050≤Ai≤105. We construct an array BB of length N−1N−1 such that, for all 1≤i≤N−11≤i≤N−1, Bi=min(Ai,Ai+1)Bi=min(Ai,Ai+1). You are given the array BB, you need to find out the total number of distinct arrays AA which we could have used to construct the given array BB. The answer may be …

A Counting Problem solution codechef- Consider an array AA of length NN. You know that for all 1≤i≤N1≤i≤N, 0≤Ai≤1050≤Ai≤105. We construct an array BB of length N−1N−1 such that, for all 1≤i≤N−11≤i≤N−1, Bi=min(Ai,Ai+1)Bi=min(Ai,Ai+1). Read More »

ATM Queue solution codechef- There are NN people waiting in a queue at ATM. The ithith person in the queue has a power level equal to AiAi (1≤Ai≤N1≤Ai≤N). The following process happens every second till the queue is not empty.

ATM Queue solution codechef For Solution Click Here! There are NN people waiting in a queue at ATM. The ithith person in the queue has a power level equal to AiAi (1≤Ai≤N1≤Ai≤N). The following process happens every second till the queue is not empty. The person in front of the queue uses the ATM and then leaves the queue. After the …

ATM Queue solution codechef- There are NN people waiting in a queue at ATM. The ithith person in the queue has a power level equal to AiAi (1≤Ai≤N1≤Ai≤N). The following process happens every second till the queue is not empty. Read More »

Positive Spewing solution codechef- A circular array of length NN is defined as follows: NN integers A1,A2,…,ANA1,A2,…,AN are placed in a circle in such a way that for each 1≤i

Positive Spewing solution codechef For Solution Click Here! A circular array of length NN is defined as follows: NN integers A1,A2,…,ANA1,A2,…,AN are placed in a circle in such a way that for each 1≤i<N1≤i<N, AiAi and Ai+1Ai+1 are adjacent, and A1A1 and ANAN are also adjacent. You are given a circular array AA of length NN. At the end of each second, the following changes are executed in the array: If Ai>0Ai>0 then the elements which are …

Positive Spewing solution codechef- A circular array of length NN is defined as follows: NN integers A1,A2,…,ANA1,A2,…,AN are placed in a circle in such a way that for each 1≤i Read More »

The Grid Fill Problem solution codechef- You are given a NN ×× NN grid. You need to fill each cell of the grid with 11 or −1−1. You need to fill the grid in a way such that the following conditions are met :-

The Grid Fill Problem solution codechef For Solution Click Here! You are given a NN ×× NN grid. You need to fill each cell of the grid with 11 or −1−1. You need to fill the grid in a way such that the following conditions are met :- For every column – (Sum of values present in the column) x (Product of values present …

The Grid Fill Problem solution codechef- You are given a NN ×× NN grid. You need to fill each cell of the grid with 11 or −1−1. You need to fill the grid in a way such that the following conditions are met :- Read More »

Obtain the Sum solution codechef- Chef is given two integers N,SN,S. Consider an array AA of size NN such that A[i]=iA[i]=i for every 1≤i≤N1≤i≤N. You are required to find any position x(1≤x≤N)x(1≤x≤N) such that :

Obtain the Sum solution codechef For Solution Click Here! Chef is given two integers N,SN,S. Consider an array AA of size NN such that A[i]=iA[i]=i for every 1≤i≤N1≤i≤N. You are required to find any position x(1≤x≤N)x(1≤x≤N) such that : (A[1]+A[2]+…A[x−1])+(A[x+1]+A[x+2]+…A[N])=S(A[1]+A[2]+…A[x−1])+(A[x+1]+A[x+2]+…A[N])=S If there are multiple such positions xx, print any such position. If there is no such position, print −1−1. Input Format First line will contain TT, number of …

Obtain the Sum solution codechef- Chef is given two integers N,SN,S. Consider an array AA of size NN such that A[i]=iA[i]=i for every 1≤i≤N1≤i≤N. You are required to find any position x(1≤x≤N)x(1≤x≤N) such that : Read More »

The Two Dishes solution codechef- Chef prepared two dishes yesterday. Chef had assigned the tastinesstastiness T1T1 and T2T2 to the first and to the second dish respectively. The tastiness of the dishes can be any integerinteger between 00 and NN (both inclusive).

The Two Dishes solution codechef For Solution Click Here! Chef prepared two dishes yesterday. Chef had assigned the tastinesstastiness T1T1 and T2T2 to the first and to the second dish respectively. The tastiness of the dishes can be any integerinteger between 00 and NN (both inclusive). Unfortunately, Chef has forgotten the values of T1T1 and T2T2 that he had assigned to the dishes. However, he remembers the sum of the …

The Two Dishes solution codechef- Chef prepared two dishes yesterday. Chef had assigned the tastinesstastiness T1T1 and T2T2 to the first and to the second dish respectively. The tastiness of the dishes can be any integerinteger between 00 and NN (both inclusive). Read More »

Find the Direction solution codechef- Chef is currently facing the north direction. Each second he rotates exactly 9090 degrees in clockwise direction. Find the direction in which Chef is facing after exactly XX seconds.

Find the Direction solution codechef For Solution Click Here! Chef is currently facing the north direction. Each second he rotates exactly 9090 degrees in clockwise direction. Find the direction in which Chef is facing after exactly XX seconds. Note:Note: There are only 4 directions: North, East, South, West (in clockwise order). Input Format First line will contain TT, number of testcases. …

Find the Direction solution codechef- Chef is currently facing the north direction. Each second he rotates exactly 9090 degrees in clockwise direction. Find the direction in which Chef is facing after exactly XX seconds. Read More »

Four Vertices solution codeforces- You are given an undirected weighted graph, consisting of nn vertices and mm edges. Some queries happen with this graph:

Four Vertices solution codeforces For Solution Click Here! You are given an undirected weighted graph, consisting of nn vertices and mm edges. Some queries happen with this graph: Delete an existing edge from the graph. Add a non-existing edge to the graph. At the beginning and after each query, you should find four different vertices aa, bb, cc, dd such that there exists a path between aa and bb, …

Four Vertices solution codeforces- You are given an undirected weighted graph, consisting of nn vertices and mm edges. Some queries happen with this graph: Read More »