In the last days of summer 2019, the sky was still rushing down the streets of Saigon, seemingly never-ending rains, hard floods still rising, creating historic floods in the area. city. At this time, students of the NTTU courses are enlist to visit their families after a year of hard study ... But, there, the "CodeWar warriors" of the 17-18 courses, Faculty of Information Technology , Nguyen Tat Thanh University, still practicing hard to prepare for the upcoming arena at 20H on October 2, 2019.