查询年龄小于17的学生信息
Student.query.filter(Student.s_age < 17)
students Student.query.filter(Student.s_age.__lt__(17))模糊查询,使用like,查询姓名中第二位为花的学生信息
like ‘_花%’,_代表必须有一个数据,%任何数据
st…
Teleporters( Educational Codeforces Round 126 (Rated for Div. 2) )
There are n 1 n1 n1 teleporters on a straight line, located in points 0 0 0, a 1 a_1 a1, a 2 a_2 a2, a 3 a_3 a3, …, a n a_n an. It’s possible to tele…