Add Leetcode Number Of islands Solution

[nizar787]

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[bhalerao-2002]

Hello @nizar787 , I can add that solution, Assign me this issue under hacktoberfest

[sajithsojan]

please review my code

[alipsa2000]

This is the code can you please review this code

include

include

using namespace std; class Solution { public: int numIslands(vector<vector>& grid) { if (grid.empty() || grid[0].empty()) { return 0; } int numIslands = 0; int m = grid.size(); int n = grid[0].size(); for (int i = 0; i < m; i++) { for (int j = 0; j < n; j++) { if (grid[i][j] == '1') { numIslands++; dfs(grid, i, j); } } } return numIslands; } private: void dfs(vector<vector>& grid, int i, int j) { if (i < 0 || i >= grid.size() || j < 0 || j >= grid[0].size() || grid[i][j] != '1') { return; } grid[i][j] = '0'; dfs(grid, i - 1, j); dfs(grid, i + 1, j); dfs(grid, i, j - 1); dfs(grid, i, j + 1); } };

[PRITISH212121]

i have solved this problem before,i m attaching my leetcode profile,please assign it to me https://leetcode.com/pritishyo10/

[navya975]

I have solved this problem before,I am attaching my leetcode profile,please assign it to me https://leetcode.com/navya975/

[mrinalproxy]

assigned this problem to me