Problem
Given a matrix, print its rows in increasing order of their row sums.
Input format
Input
input.txt
- Two integers N, M (1 ≤ N, M ≤ 50) - N rows with M integers each
Output format
Output
output.txt
- The N rows, sorted by sum.
Example
input
3 3 1 2 3 9 8 7 4 4 4
output
1 2 3 4 4 4 9 8 7
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Sample cases (from the problem)
Sample Case 1
Input
3 3 1 2 3 9 8 7 4 4 4
Expected output
1 2 3 4 4 4 9 8 7
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