(grid [][]byte)
| 1 | package number_of_islands_200 |
| 2 | |
| 3 | func numIslands(grid [][]byte) int { |
| 4 | count := 0 |
| 5 | |
| 6 | for r := 0; r < len(grid); r++ { |
| 7 | for c := 0; c < len(grid[r]); c++ { |
| 8 | if grid[r][c] == 1 { |
| 9 | count++ |
| 10 | exploreIsland(grid, r, c) |
| 11 | } |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | return count |
| 16 | } |
| 17 | |
| 18 | func exploreIsland(grid [][]byte, r int, c int) { |
| 19 | grid[r][c] = 0 |