dsa hacktober22 #hacktoberfest-accepted add basic dsa algos dont upload basic codes / upload unique codes pr will be accepted immediately 🆂🆃🅰🆁 🅵🅾🆁🅺 & 🅵🅾🅻🅻🅾🆆 🅼🆈 🅿🆁🅾🅵🅸🅻🅴 🅵🅾🆁 🅿🆁 🆃🅾 🅶🅴🆃 🅰🅲🅲🅴🅿🆃🅴🅳