internal CaseOutput Solve()
{
var output = new CaseOutput(input.Grid, input.R, input.C);
var rowBackFill = 0;
for (int rr = 0; rr < input.R; rr++)
{
if (input.LettersInRow[rr] == 0)
{
rowBackFill++;
continue;
}
var localRowBackFill = rowBackFill;
rowBackFill = 0;
var previousLetterCol = -1;
for (int xx = 0; xx < input.LettersInRow[rr]; xx++)
{
var currentLetterCol = input.LetterLocationsInRow[rr][xx];
var currentLetter = input.Grid[rr, currentLetterCol];
int endColForThis = (xx == input.LettersInRow[rr] - 1) ? input.C - 1 : currentLetterCol;
for (int jj = previousLetterCol + 1; jj < endColForThis + 1; jj++)
{
for (int backfill = 0; backfill < localRowBackFill + 1; backfill++)
{
output.Grid[rr - backfill, jj] = currentLetter;
}
}
previousLetterCol = currentLetterCol;
}
}
if (rowBackFill > 0)
{
for (int ii = 0; ii < rowBackFill; ii++)
{
for (int jj = 0; jj < input.C; jj++)
{
output.Grid[input.R - 1 - ii, jj] = output.Grid[input.R - 1 - rowBackFill, jj];
}
}
}
return(output);
}
public static void Output()
{
var input = new CaseOutput(new char[, ] {
{ 'a', 'b' }, { 'a', 'c' }
}, 2, 2);
input.ToString().Should().Be(@"
ab
ac");
input = new CaseOutput(new char[, ] {
{ 'a', 'b', 'b' }, { 'a', 'c', 'd' }
}, 2, 3);
input.ToString().Should().Be(@"
abb
acd");
}