Input a SparseMatrix from input stream

What will be an ideal response?


```
istream& operator>>(istream& is, SparseMatrix& sm)
{
is >> sm.rows >> sm.columns >> sm.numNonZero;
sm.nonZeroList = new SparseEle [sm.numNonZero];
for (int i = 0; i < sm.numNonZero; ++i)
is >> sm.nonZeroList[i];

return is;
}

```

Computer Science & Information Technology

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