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Created Flood fill #179

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Created Flood fill #179

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21 changes: 21 additions & 0 deletions Graphs/Flood Fill
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
class Solution {
public:

vector<vector<int>> floodFill(vector<vector<int>>& image, int sr, int sc, int newColor) {
int oldColor = image[sr][sc];
dfs(image ,sr , sc , oldColor , newColor);
return image;
}

void dfs(vector<vector<int>>& image,int sr, int sc, int oldColor, int newColor)
{
if(sr < image.size() && sc < image[0].size() && image[sr][sc] == oldColor && image[sr][sc] != newColor)
{
image[sr][sc] = newColor;
dfs(image , sr+1 , sc , oldColor , newColor);
dfs(image , sr-1 , sc , oldColor , newColor);
dfs(image , sr , sc+1 , oldColor , newColor);
dfs(image , sr , sc-1 , oldColor , newColor);
}
}
};