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Time Limit: 1.5 s Memory Limit: 64 MB Total points: 100

#602. 最小费用最大流(随机数据)

الإحصائيات

这是一道模板题。

给定一个图,每条边有容量和费用,使用每条边的单位流量需要支付特定的费用。给定源点 $ 1 $ 和汇点 $ n $,求图的最大流和最大流需要支付的最小费用。

Input

第一行两个整数 $ n $、$ m $,表示有 $ n $ 个点 $ m $ 条边。

从第二行开始的之后 $ m $ 行,每行四个整数 $ s_i $、$ t_i $、$ c_i $、$ w_i $ 表示一条从 $ s_i $ 到 $ t_i $ 的边,容量为 $ c_i $,单位流量需要支付的费用为 $ w_i $。

Output

一行两个整数,分别表示最大流和最大流需要支付的最小费用。

Example

Input

8 23
2 3 2147483647 1
1 3 1 1
2 4 2147483647 2
1 4 1 2
2 8 2 0
3 5 2147483647 3
1 5 1 3
3 6 2147483647 4
1 6 1 4
3 8 2 0
3 2 2147483647 0
4 6 2147483647 5
1 6 1 5
4 7 2147483647 6
1 7 1 6
4 8 2 0
4 2 2147483647 0
5 8 0 0
5 2 2147483647 0
6 8 0 0
6 2 2147483647 0
7 8 0 0
7 2 2147483647 0

Output

6 24

Notes

$1 \leq n \leq 400, 0 \leq m \leq 15000, w_i\geq 0 $,保证输入数据、中间结果以及答案在 32 位有符号整数范围内。

Source: Libre OJ 102

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