leetcode

Solution to some Leetcode problems written in C++

git clone git://git.dimitrijedobrota.com/leetcode.git

0661.cpp (809B)

0 class Solution { 1 public: 2 vector<vector<int>> imageSmoother(vector<vector<int>> &img) const { 3 const int n = img.size() - 1; 4 const int m = img[0].size() - 1; 5 for (int i = 0; i <= n; i++) { 6 for (int j = 0; j <= m; j++) { 7 int sum = 0, count = 0; 8 for (int k = max(i - 1, 0); k <= min(i + 1, n); k++) { 9 for (int l = max(j - 1, 0); l <= min(j + 1, m); l++) { 10 sum += img[k][l] & 0xFF; 11 count++; 12 } 13 } 14 img[i][j] |= (sum / count) << 8; 15 } 16 } 17 for (int i = 0; i <= n; i++) { 18 for (int j = 0; j <= m; j++) { 19 img[i][j] >>= 8; 20 } 21 } 22 return img; 23 } 24 };