leetcode

commit 89a29be83d226560613b2dbb7fa5a95958e4bd1a
parent 199fe948b9a76833844ec9d6ebd947c3509a1a18
Author: Dimitrije Dobrota <mail@dimitrijedobrota.com>
Date:   Thu, 26 Jan 2023 14:48:07 +0100

Data Structure I: Day 5

Diffstat:
M
Problems/0036.cpp
 | 
24
++----------------------
A
Problems/0074.cpp
 | 
2
++
M
README.md
 | 
1
+

3 files changed, 5 insertions(+), 22 deletions(-)
diff --git a/Problems/0036.cpp b/Problems/0036.cpp
@@ -1,22 +1,2 @@
-class Solution {
-public:
-  bool isValidSudoku(vector<vector<char>> &board) {
-    function check = [&board](unordered_set<char> &us, int i, int j) {
-      if (board[i][j] != '.' && us.count(board[i][j])) return false;
-      us.insert(board[i][j]);
-      return true;
-    };
-
-    unordered_set<char> us1, us2, us3;
-    for (int i = 0; i < 9; i++) {
-      for (int j = 0; j < 9; j++)
-        if (!check(us1, i, j) || !check(us2, j, i) ||
-            !check(us3, 3 * (i / 3) + (j / 3), 3 * (i % 3) + (j % 3)))
-          return false;
-      us1.clear();
-      us2.clear();
-      us3.clear();
-    }
-    return true;
-  }
-};
+Formating: Problems/0036.cpp
+Formating: Problems/0074.cpp
diff --git a/Problems/0074.cpp b/Problems/0074.cpp
@@ -0,0 +1,2 @@
+Formating: Problems/0036.cpp
+Formating: Problems/0074.cpp
diff --git a/README.md b/README.md
@@ -57,6 +57,7 @@ for solving problems.
 |  0066  |    Easy    | [Plus One](Problems/0066.cpp)                                                                    |
 |  0067  |    Easy    | [Add Binary](Problems/0067.cpp)                                                                  |
 |  0070  |    Easy    | [Climbing Stairs](Problems/0070.cpp)                                                             |
+|  0074  |   Medium   | [Search a 2D Matrix](Problems/0074.cpp)                                                          |
 |  0083  |    Easy    | [Remove Duplicates from Sorted List](Problems/0083.cpp)                                          |
 |  0084  |    Hard    | [Largest Rectangle in Histogram](Problems/0084.cpp)                                              |
 |  0088  |    Easy    | [Merge Sorted Array](Problems/0088.cpp)                                                          |