Leetcode 278 First Bad Version<br /><br />####################################<br />Please subscribe to my channel<br />My other Leetcode solving videos (easy)<br /><a href="https://www.youtube.com/playlist?list=PLg9w7tItBlZt4oUpNyWU_0rOItlScu1_d" target="_blank" rel="nofollow">https://www.youtube.com/playlist?list=PLg9w7tItBlZt4oUpNyWU_0rOItlScu1_d</a><br /><br /><br />Leetcode solving videos (Medium):<br /><a href="https://www.youtube.com/playlist?list=PLg9w7tItBlZvMGxy-y1eXURPD6Ao6kkzA" target="_blank" rel="nofollow">https://www.youtube.com/playlist?list=PLg9w7tItBlZvMGxy-y1eXURPD6Ao6kkzA</a><br /><br />Leetcode solving videos (Hard):<br /><a href="https://www.youtube.com/playlist?list=PLg9w7tItBlZt4JQmlkGD3M5idZn14NyL6" target="_blank" rel="nofollow">https://www.youtube.com/playlist?list=PLg9w7tItBlZt4JQmlkGD3M5idZn14NyL6</a><br />...<br /><a href="https://www.youtube.com/watch?v=fh2fe_YMPlY" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=fh2fe_YMPlY</a>