Create 1958-check-if-move-is-legal.go

Accepted submission: _https://leetcode.com/submissions/detail/871351098/_

go/1958-check-if-move-is-legal.go

@@ -0,0 +1,32 @@
+const ROW = 0
+const COL = 1
+func checkMove(board [][]byte, rMove int, cMove int, color byte) bool {
+    ROWS, COLS := len(board), len(board[0])
+    direction := [][]int{{1, 0}, {-1, 0}, {0, 1}, {0, -1},
+                           {1, 1}, {-1, -1}, {1, -1}, {-1, 1}}
+    board[rMove][cMove] = color
+
+    legal := func(row, col int, color byte, direc []int) bool {
+        dr, dc := direc[ROW], direc[COL]
+        row, col = row + dr, col + dc
+        length := 1
+
+        for 0 <= row && row < ROWS && 0 <= col && col < COLS {
+            length += 1
+            if board[row][col] == '.' {
+                return false
+            } else if(board[row][col] == color) {
+                return length >= 3
+            }
+            row, col = row + dr, col + dc
+        }
+        return false
+    }
+
+    for _, d := range direction {
+        if legal(rMove, cMove, color, d) {
+            return true
+        }
+    }
+    return false
+}