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Code->"Convert Java File to Kotlin File”static int uniquePathsWithObstacles(int[][] A)
{
int r = 2, c = 2;
// create a 2D-matrix and initializing
// with value 0
int[][] paths = new int[r][c];
for(int i = 0; i < r; i++)
{
for(int j = 0; j < c; j++)
{
paths[i][j] = 0;
}
}
// Initializing the left corner if
// no obstacle there
if (A[0][0] == 0)
paths[0][0] = 1;
// Initializing first column of
// the 2D matrix
for(int i = 1; i < r; i++)
{
// If not obstacle
if (A[i][0] == 0)
paths[i][0] = paths[i - 1][0];
}
// Initializing first row of the 2D matrix
for(int j = 1; j < c; j++)
{
// If not obstacle
if (A[0][j] == 0)
paths[0][j] = paths[0][j - 1];
}
for(int i = 1; i < r; i++)
{
for(int j = 1; j < c; j++)
{
// If current cell is not obstacle
if (A[i][j] == 0)
paths[i][j] = paths[i - 1][j] +
paths[i][j - 1];
}
}
// Returning the corner value
// of the matrix
return paths[r - 1][c-1];
}
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