1252 solved.

liuyubobobo · liuyubobobo · commit 4d5d5876fb76 · 2022-07-11T10:39:49.000-07:00
diff --git a/1001-1500/1252-Cells-with-Odd-Values-in-a-Matrix/cpp-1252/CMakeLists.txt b/1001-1500/1252-Cells-with-Odd-Values-in-a-Matrix/cpp-1252/CMakeLists.txt
@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.22)
+project(cpp_1252)
+
+set(CMAKE_CXX_STANDARD 14)
+
+add_executable(cpp_1252 main.cpp)
diff --git a/1001-1500/1252-Cells-with-Odd-Values-in-a-Matrix/cpp-1252/main.cpp b/1001-1500/1252-Cells-with-Odd-Values-in-a-Matrix/cpp-1252/main.cpp
@@ -0,0 +1,36 @@
+/// Source : https://leetcode.com/problems/cells-with-odd-values-in-a-matrix/
+/// Author : liuyubobobo
+/// Time   : 2022-07-11
+
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+
+/// Simulation
+/// Time Complexity: O(m * n * (m + n))
+/// Space Complexity: O(m * n)
+class Solution {
+public:
+    int oddCells(int R, int C, vector<vector<int>>& indices) {
+
+        vector<vector<int>> matrix(R, vector<int>(C, 0));
+        for(const vector<int>& e: indices){
+            int r = e[0], c = e[1];
+            for(int j = 0; j < C; j ++) matrix[r][j] ++;
+            for(int i = 0; i < R; i ++) matrix[i][c] ++;
+        }
+
+        int res = 0;
+        for(int i = 0; i < R; i ++)
+            for(int j = 0; j < C; j ++) res += matrix[i][j] % 2;
+        return res;
+    }
+};
+
+
+int main() {
+
+    return 0;
+}
diff --git a/readme.md b/readme.md
@@ -1201,6 +1201,7 @@ email: [liuyubobobo@gmail.com](mailto:liuyubobobo@gmail.com)
 | 1249 | [Minimum Remove to Make Valid Parentheses](https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/) | [solution](https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/solution/) | [C++](1001-1500/1249-Minimum-Remove-to-Make-Valid-Parentheses/cpp-1249/) | | |
 | | | | | | |
 | 1251 | Database Problem: [Link](https://github.com/liuyubobobo/Play-Leetcode-Database/) | - | - | - | - |
+| 1252 | [Cells with Odd Values in a Matrix](https://leetcode.com/problems/cells-with-odd-values-in-a-matrix/) | [无] | [C++](1001-1500/1252-Cells-with-Odd-Values-in-a-Matrix/cpp-1252/) | | |
 | | | | | | |
 | 1260 | [Shift 2D Grid](https://leetcode.com/problems/shift-2d-grid/) | [solution](https://leetcode.com/problems/shift-2d-grid/solution/) | [C++](1001-1500/1260-Shift-2D-Grid/cpp-1260/) | | |
 | 1261 | [Find Elements in a Contaminated Binary Tree](https://leetcode.com/contest/weekly-contest-163/problems/find-elements-in-a-contaminated-binary-tree/) | [C++](1001-1500/1261-Find-Elements-in-a-Contaminated-Binary-Tree/cpp-1261/) | | | |
