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过去一年提交了

勋章 ①金银铜：在竞赛中获得第一二三名；②好习惯：自然月10天提交；③里程碑：解决1/2/5/10/20/50/100/200题；④每周打卡挑战：完成每周5题，每年1月1日清零。

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提交记录

提交日期 题目名称 提交代码
2025-06-13 一元一次函数形成的三角形面积  
SELECT *
FROM numbers_for_fun
WHERE a = 0
AND 0.5 * ABS(c * c / b) >= 5;
2025-06-13 一元一次函数形成的三角形面积  
SELECT *
FROM numbers_for_fun
WHERE a = 0
AND ABS(c)*ABS(c) >= 10 * ABS(b);
2025-06-13 一元一次函数形成的三角形面积  
select * from numbers_for_fun
WHERE a = 0 AND ABS(c * (ABS(c / b) + c) / 2) >= 5
2025-06-13 一元一次函数形成的三角形面积  
select * from numbers_for_fun
where 
	a = 0 and (b <= (c*c/(10-c*c)) or b >= (c*c/(c*c-10)))
2025-06-13 一元一次函数形成的等腰三角形  
select * from numbers_for_fun
where a = '0' and (b = '1' or b = '-1') and c != '0'
order by id
2025-06-12 一元一次函数形成的等腰三角形  
select * from numbers_for_fun 
where
	a = '0' and b = '-1'
order by
id
2025-06-11 与X轴有且只有一个交点的一元二次函数  
select * from numbers_for_fun 
where a != '0' and b*b = 4*a*c
order by id
2025-06-11 开口向上且经过原点的一元二次函数  
select * from numbers_for_fun 
where
	a > '0' and c = '0'
2025-06-11 开口向上的一元二次函数  
select * from numbers_for_fun
where
	a > '0'
order by
	id
2025-06-11 必过(-1, 0)的一元一次函数  
select * from numbers_for_fun
where
	a = '0' and b != '0' and c = b
order by
	id
2025-06-10 必过(3, -8)的一元一次函数  
select * from numbers_for_fun
where
	a = '0' and b != '0' and c = -3*b - 8
order by id
2025-06-10 必过(-1, -1)的一元一次函数  
select * from numbers_for_fun
where
	a = '0' and b != '0' and c = b - 1
order by
	id
2025-06-10 必过(0, 1)的一元一次函数  
select * 
from
	numbers_for_fun
where
	a = '0' and b != '0' and c = '1'
order by
	id
2025-06-10 不经过第二象限的一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b > '0' and c <= '0'
order by
	id
2025-06-10 不经过第三象限的一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b < '0' and c >='0'
order by
	id
2025-06-10 不经过第三象限的一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b < '0' and c > '0'
order by
	id
2025-06-10 不经过第三象限的一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b < '0' and c > 0
order by
	id
2025-06-10 不经过第三象限的一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b < '0'
order by
	id
2025-06-09 找出与y=x有交点的所有一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b != '1' and b != 0
order by
	id
2025-06-09 找出与y=x有交点的所有一元一次函数  
select
	*
from
	numbers_for_fun
where
	a = '0' and b != '1'
order by
	id