Writes to the output stream the contents of matrix m, one row at a time
What will be an ideal response?
```
ostream& operator<< ( ostream& os, const Matrix& m )
{
for (int i = 0; i < m.rows; ++i) {
for (int j = 0; j < m.cols; ++j)
cout << setw( 5 ) << m.mat[i][j];
cout << endl;
}
return os;
}
```
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____________________ analysis methods exist to provide an exact understanding of the problem.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true?
a. The binary search algorithm is less efficient than the linear search, but it requires that the array be sorted. b. The binary search algorithm is more efficient than the linear search, but it requires that the array be unsorted. c. The binary search algorithm is more efficient than the linear search, but it requires that the array be sorted. d. The binary search algorithm is less efficient than the linear search, but it requires that the array be unsorted.