diff --git a/go/find-valid-matrix-given-row-and-column-sums.go b/go/find-valid-matrix-given-row-and-column-sums.go new file mode 100644 index 0000000..9cdd366 --- /dev/null +++ b/go/find-valid-matrix-given-row-and-column-sums.go @@ -0,0 +1,26 @@ +package main + +func restoreMatrix(rowSum []int, colSum []int) [][]int { + rows, cols := len(rowSum), len(colSum) + + matrix := make([][]int, rows) + for y := range rows { + matrix[y] = make([]int, cols) + } + + y, x := 0, 0 + for y < rows && x < cols { + matrix[y][x] = min(rowSum[y], colSum[x]) + + rowSum[y] -= matrix[y][x] + colSum[x] -= matrix[y][x] + + if rowSum[y] == 0 { + y++ + } else { + x++ + } + } + + return matrix +}