static int LeftMostColumnWithOne(BinaryMatrix binaryMatrix)
{
var row = binaryMatrix.Dimensions()[0];
var col = binaryMatrix.Dimensions()[1];
int c = col - 1;
int r = 0;
int mostLeft = col;
while (c >= 0 && r < row)
{
if (binaryMatrix.Get(r, c) == 1)
{
c--;
}
else
{
r++;
}
mostLeft = Math.Min(c + 1, mostLeft);
}
return(mostLeft == col ? -1 : mostLeft);
}