Create 1992. Find All Groups of Farmland (#461)

Author: Chayandas07

1992. Find All Groups of Farmland

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+class Solution {
+public:
+    vector<vector<int>> findFarmland(vector<vector<int>>& land) {
+        vector<vector<int>> ans;
+        int n = land.size(), m = land[0].size(), flag;
+
+        for(int i = 0; i < n; i++){
+            for(int j = 0; j < m; j++){
+                if(land[i][j] == 1 && ((i == 0 || land[i-1][j] == 0) && (j == 0  || land[i][j-1] == 0))){
+                    int i_ = i, j_ = j;
+                    while(i_ < n && land[i_][j_] == 1)
+                        i_++;
+                    i_--;
+                    while(j_ < m && land[i_][j_] == 1)
+                        j_++;
+                    j_--;
+
+                    ans.push_back({i, j, i_, j_});
+                    j = j_;
+                }
+            }
+        }  
+        return ans;
+    }
+};