250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Sunyi Wang) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) 250 of the world's top student programmers competed in HackShanghai, a 24-hour coding marathon. November 15-16, 2014. (Photo by Kadallah Burrowes) Share: Facebook Twitter Weibo