Create Island Perimeter.cpp

Author: Its-Aman-Yadav

Easy Problems/Island Perimeter.cpp

@@ -0,0 +1,29 @@
+//https://leetcode.com/problems/island-perimeter/description/?envType=daily-question&envId=2024-04-18
+
+class Solution {
+public:
+    int islandPerimeter(vector<vector<int>>& grid) {
+
+        int n = grid.size();
+        int m = grid[0].size();
+        int cnt = 0;
+        for (int i = 0; i < n; i++) {
+            for (int j = 0; j < m; j++) {
+                if (grid[i][j] == 1) {
+                    if ((j > 0 && grid[i][j - 1] == 0) || j == 0)
+                        cnt++;
+
+                    if ((i > 0 && grid[i - 1][j] == 0) || i == 0)
+                        cnt++;
+
+                    if ((j < m - 1 && grid[i][j + 1] == 0) || j == m - 1)
+                        cnt++;
+
+                    if ((i < n - 1 && grid[i + 1][j] == 0) || i == n - 1)
+                        cnt++;
+                }
+            }
+        }
+        return cnt;
+    }
+};