For every index, update max_val as maximum of value1 + array and value2, this step defines the two cases, if an element is selected then the previous element cannot be selected and if an element is not selected then the previous element can be selected.

Traverse the array from the second element (2nd index) to the end of array.

Create two variables value1 and value2 value1 as array and value2 as maximum of array and array and a variable max_val to store the answer.

Tackle some basic cases, if the length of the array is 0, print 0, if the length of the array is 1, print the first element, if the length of the array is 2, print maximum of two elements.

To replace the total DP array by two variables. So the time complexity is O(n)Īn array is required of size n, so space complexity is O(n).Įfficient Approach: By carefully observing the DP array, it can be seen that the values of previous two indices matter while calculating the value for an index. Only one traversal of original array is needed.

Stack Data Structure (Introduction and Program).

Write a program to reverse an array or string.

Sort a nearly sorted (or K sorted) array Bob the Robber 2 est de moda, Ya 621.003 partidas Juega gratis a este juego de Pensar y demuestra lo que vales.

k largest(or smallest) elements in an array.

K’th Smallest/Largest Element using STL.

K’th Smallest/Largest Element in Unsorted Array | Set 3 (Worst Case Linear Time).

K’th Smallest/Largest Element in Unsorted Array | Set 2 (Expected Linear Time).

K’th Smallest/Largest Element in Unsorted Array | Set 1.

Reverse an array in groups of given size.

Minimum Number of Platforms Required for a Railway/Bus Station.

K Centers Problem | Set 1 (Greedy Approximate Algorithm).

Greedy Algorithm to find Minimum number of Coins.

Find minimum number of coins that make a given value.

Bell Numbers (Number of ways to Partition a Set).

Count number of ways to reach a given score in a game.

Find number of solutions of a linear equation of n variables.

Find maximum possible stolen value from houses.

Maximum sum such that no two elements are adjacent.

Maximum sum such that no two elements are adjacent | Set 2.

ISRO CS Syllabus for Scientist/Engineer Exam.

ISRO CS Original Papers and Official Keys.

GATE CS Original Papers and Official Keys.

Bob the robber 2 level 9