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Must Do Interview Preparation

The problem is to find shortest distances between every pair of vertices in a given edge weighted directed Graph. The Graph is represented as Adjancency Matrix, and the Matrix denotes the weight of the edegs (if it exists) else INF (1e7).

**Input:**

The first line of input contains an integer **T** denoting the no of test cases. Then T test cases follow. The first line of each test case contains an integer V denoting the size of the adjacency matrix. The next V lines contain V space separated values of the matrix (graph). All input will be integer type.

**Output:**

For each test case output will be V*V space separated integers where the i-jth integer denote the shortest distance of ith vertex from jth vertex. For INT_MAX integers output INF.

**Constraints:**

1 <= T <= 20

1 <= V <= 100

1 <= graph[][] <= 500

**Example:
Input**

2

2

0 25

INF 0

3

0 1 43

1 0 6

INF INF 0

**Output**

0 25

INF 0

0 1 7

1 0 6

INF INF 0

Author: saksham seth

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