PROBLEM OF THE DAY : 13/12/2023 | Consecutive 1's not allowed
source link: https://www.geeksforgeeks.org/videos/problem-of-the-day-12122023-consecutive-1s-not-allowed/
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PROBLEM OF THE DAY : 13/12/2023
Welcome to the daily solving of our PROBLEM OF THE DAY with Karan Mashru. We will discuss the entire problem step-by-step and work towards developing an optimized solution. This will not only help you brush up on your concepts of Array but also build up problem-solving skills.
In this problem, we are given, a positive integer N, and count all possible distinct binary strings of length N such that there are no consecutive 1’s. Output your answer modulo 109 + 7.
Example :
Input:
N = 3
Output: 5
Explanation:
5 strings are (000, 001, 010, 100, 101).
Give the problem a try before going through the video. All the best!!!
Problem Link: https://www.geeksforgeeks.org/problems/gold-mine-problem2608/1
Solution IDE Link: https://ide.geeksforgeeks.org/online-cpp-compiler/7ba73f83-80a2-4e7c-980c-bfe2a1e79790
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