Problem title
Difficulty
Avg time to solve

Game of largest element
Easy
--
Knight Tour
Moderate
25 mins
Find the smallest subset of balls whose weight is greater than the weight of the remaining balls.
Moderate
--
Ninja And A Complex Expression
Moderate
15 mins
Minimum sum of squares of character counts in a given string after removing “k” characters.
Easy
--
Ninja And Chocolates
Moderate
20 mins
Valid Word Abbreviations
Easy
10 mins
NINJA’S BIRTHDAY PARTY
Moderate
30 mins
Three in one
Moderate
15 mins
One Away
Moderate
15 mins

# Ninja And The Clan

Difficulty: MEDIUM
Contributed By
Avg. time to solve
24 min
Success Rate
70%

Problem Statement

#### Note that each task is assigned to a single Ninja, and each Ninja will only be allotted a single task.

##### EXAMPLE:
``````Input:
'N' = 3
‘COST’ = [[1 2 3],
[6 5 6],
[3 8 9]]

Output: 11

A possible assignment is:
Assign task 1 to ninja 3, task 2 to ninja 1 and task 3 to ninja 2, total cost = 3 + 2 + 6 = 11
``````
##### Input Format :
``````The first line will contain the integer 'T', the number of test cases. For each test case

The first line of each test case an integer ‘N’ denoting the number of Ninjas and tasks.
The next ‘N’ lines  contain ‘N’ integers denoting the cost of ith Ninja completing the jth task.
``````
##### Output format :
``````For each test case, print a single integer denoting the minimum cost of the assignment.
``````
##### Note :
``````You don't need to print anything. It has already been taken care of. Just implement the given function.
``````
##### Constraints :
``````1 <= 'T' <= 10
1 <= 'N' <= 18
1 <= 'COST[i][j]' <= 10^5
Time Limit: 1 sec
``````
##### Sample Input 1 :
``````2
2
10 13
12 14
3
1 1 1
2 2 1
1 2 1
``````
##### Sample Output 1 :
``````24
3
``````
##### Explanation Of Sample Input 1 :
``````For the first test case, a possible assignment can be:

For the second test case, a possible assignment can be:
``````
##### Sample Input 2 :
``````2
3
2 4 6
8 4 2
8 4 8
5
1 3 5 7 4
3 4 9 10 11
1 2 1 2 1
5 4 8 3 3
6 6 6 6 6
``````
##### Sample Output 2 :
``````8
15
``````
Console