Question

Karn wants to focus on driving and wants to know the maximum money
he would have to spend. Can you tell him the Maximum amount ?
Note: No cycle is allowed.
Input Format
The first line of input consists of number of test cases, T.
The first line of each test case consists of two space separated integers,
N and P
Next P lines consists of three space separated integers, X, Y and C where
X and Y represents the shop numbers and indicate a path between the
two. C is the cost to travel on the path.
onctraints​

Answer 1

Answer:

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Answer 2

Explanation:

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