diff --git a/.commitmsg b/.commitmsg
index 1a6a18bd812b..7f83ec438ccc 100644
--- a/.commitmsg
+++ b/.commitmsg
@@ -1,25 +1,5 @@
-今天：
+1200: AC.cpp+py+go(#1348) + word: (en)
 
-1984: AC.cpp+py+go+java+rust (#1346) + word: en(jp)
-
-cpp - AC,100.00%,33.57%
-WA.py
-py - AC,84.93%,7.24%
-WA.go
-go - AC,28.13%,20.31%
-java - AC,83.61%,5.02%
-rust - AC,100.00%,76.47%
-
----
-
-昨天：
-
-1877: AC.cpp+java+rust+py+go (#1344)
-
-cpp - AC,74.40%,21.43%
-py - AC,9.40%,17.09%
-py - AC,63.25%,7.69%,len()/2
-py - AC,51.28%,11.97% - [~i]
-go - AC,44.44%,44.44%
-rust - AC,50.00%,50.00%
-java - AC,20.00%,10.00%
\ No newline at end of file
+cpp - AC,78.75%,27.52%
+py - AC,79.19%,24.53%
+go - AC,16.13%,61.29%
\ No newline at end of file
diff --git a/Codes/1200-minimum-absolute-difference_20260126.cpp b/Codes/1200-minimum-absolute-difference_20260126.cpp
new file mode 100644
index 000000000000..acc2a241f238
--- /dev/null
+++ b/Codes/1200-minimum-absolute-difference_20260126.cpp
@@ -0,0 +1,28 @@
+/*
+ * @Author: LetMeFly
+ * @Date: 2026-01-26 23:38:09
+ * @LastEditors: LetMeFly.xyz
+ * @LastEditTime: 2026-01-26 23:39:44
+ */
+#if defined(_WIN32) || defined(__APPLE__)
+#include "_[1,2]toVector.h"
+#endif
+
+class Solution {
+public:
+    vector<vector<int>> minimumAbsDifference(vector<int>& arr) {
+        sort(arr.begin(), arr.end());
+        vector<vector<int>> ans;
+        int mini = 10000001;
+        for (int i = 1; i < arr.size(); i++) {
+            int diff = arr[i] - arr[i - 1];
+            if (diff == mini) {
+                ans.push_back({arr[i - 1], arr[i]});
+            } else if (diff < mini) {
+                mini = diff;
+                ans = {{arr[i - 1], arr[i]}};
+            }
+        }
+        return ans;
+    }
+};
\ No newline at end of file
diff --git a/Codes/1200-minimum-absolute-difference_20260126.go b/Codes/1200-minimum-absolute-difference_20260126.go
new file mode 100644
index 000000000000..45e220690823
--- /dev/null
+++ b/Codes/1200-minimum-absolute-difference_20260126.go
@@ -0,0 +1,24 @@
+/*
+ * @Author: LetMeFly
+ * @Date: 2026-01-26 23:38:09
+ * @LastEditors: LetMeFly.xyz
+ * @LastEditTime: 2026-01-26 23:48:45
+ */
+package main
+
+import "sort"
+
+func minimumAbsDifference(arr []int) (ans [][]int) {
+    sort.Ints(arr)
+	mini := 10000000
+	for i := 1; i < len(arr); i++ {
+		diff := arr[i] - arr[i - 1]
+		if diff < mini {
+			mini = diff
+			ans = [][]int{{arr[i - 1], arr[i]}}
+		} else if diff == mini {
+			ans = append(ans, []int{arr[i - 1], arr[i]})
+		}
+	}
+	return
+}
\ No newline at end of file
diff --git a/Codes/1200-minimum-absolute-difference_20260126.py b/Codes/1200-minimum-absolute-difference_20260126.py
new file mode 100644
index 000000000000..35c6f2fd8c90
--- /dev/null
+++ b/Codes/1200-minimum-absolute-difference_20260126.py
@@ -0,0 +1,21 @@
+'''
+Author: LetMeFly
+Date: 2026-01-26 23:38:09
+LastEditors: LetMeFly.xyz
+LastEditTime: 2026-01-26 23:45:24
+'''
+from typing import List
+
+class Solution:
+    def minimumAbsDifference(self, arr: List[int]) -> List[List[int]]:
+        arr.sort()
+        ans = []
+        mini = 10000000
+        for i in range(1, len(arr)):
+            diff = arr[i] - arr[i - 1]
+            if diff < mini:
+                ans = [[arr[i - 1], arr[i]]]
+                mini = diff
+            elif diff == mini:
+                ans.append([arr[i - 1], arr[i]])
+        return ans
\ No newline at end of file
diff --git a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.go b/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.go
index a8ab9fee877e..ca1087ad6ec3 100644
--- a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.go
+++ b/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.go
@@ -2,17 +2,17 @@
  * @Author: LetMeFly
  * @Date: 2026-01-25 10:32:52
  * @LastEditors: LetMeFly.xyz
- * @LastEditTime: 2026-01-25 10:39:42
+ * @LastEditTime: 2026-01-25 10:39:56
  */
 package main
 
 import "sort"
 
-// THIS CANNOT BE ACCEPTED
-func minimumDifference(nums []int, k int) (ans int) {
+func minimumDifference(nums []int, k int) int {
+	ans := 100000
     sort.Ints(nums)
 	for i := 0; i < len(nums) - k + 1; i++ {
 		ans = min(ans, nums[i + k - 1] - nums[i])
 	}
-	return
+	return ans
 }
\ No newline at end of file
diff --git a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.py b/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.py
index 0f91d9574fe4..a9b991a5bb96 100644
--- a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.py
+++ b/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.py
@@ -2,12 +2,11 @@
 Author: LetMeFly
 Date: 2026-01-25 10:32:52
 LastEditors: LetMeFly.xyz
-LastEditTime: 2026-01-25 10:35:25
+LastEditTime: 2026-01-25 10:37:04
 '''
 from typing import List
 
-# THIS CANNOT BE ACCEPTED
 class Solution:
     def minimumDifference(self, nums: List[int], k: int) -> int:
         nums.sort()
-        return max(nums[i + k - 1] - nums[i] for i in range(len(nums) - k + 1))
\ No newline at end of file
+        return min(nums[i + k - 1] - nums[i] for i in range(len(nums) - k + 1))
\ No newline at end of file
diff --git a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125_AC.go b/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125_AC.go
deleted file mode 100644
index ca1087ad6ec3..000000000000
--- a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125_AC.go
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * @Author: LetMeFly
- * @Date: 2026-01-25 10:32:52
- * @LastEditors: LetMeFly.xyz
- * @LastEditTime: 2026-01-25 10:39:56
- */
-package main
-
-import "sort"
-
-func minimumDifference(nums []int, k int) int {
-	ans := 100000
-    sort.Ints(nums)
-	for i := 0; i < len(nums) - k + 1; i++ {
-		ans = min(ans, nums[i + k - 1] - nums[i])
-	}
-	return ans
-}
\ No newline at end of file
diff --git a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125_AC.py b/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125_AC.py
deleted file mode 100644
index a9b991a5bb96..000000000000
--- a/Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125_AC.py
+++ /dev/null
@@ -1,12 +0,0 @@
-'''
-Author: LetMeFly
-Date: 2026-01-25 10:32:52
-LastEditors: LetMeFly.xyz
-LastEditTime: 2026-01-25 10:37:04
-'''
-from typing import List
-
-class Solution:
-    def minimumDifference(self, nums: List[int], k: int) -> int:
-        nums.sort()
-        return min(nums[i + k - 1] - nums[i] for i in range(len(nums) - k + 1))
\ No newline at end of file
diff --git "a/Solutions/LeetCode 1200.\346\234\200\345\260\217\347\273\235\345\257\271\345\267\256.md" "b/Solutions/LeetCode 1200.\346\234\200\345\260\217\347\273\235\345\257\271\345\267\256.md"
index a01c56920429..74e363cd2cb4 100644
--- "a/Solutions/LeetCode 1200.\346\234\200\345\260\217\347\273\235\345\257\271\345\267\256.md"	
+++ "b/Solutions/LeetCode 1200.\346\234\200\345\260\217\347\273\235\345\257\271\345\267\256.md"	
@@ -44,7 +44,7 @@ categories: [题解, LeetCode]
 
 
     
-## 方法一：排序
+## 方法一：排序+两次遍历
 
 这道题的数据范围是$10^5$，因此无法$O(n^2)$暴力
 
@@ -81,5 +81,92 @@ public:
 };
 ```
 
+## 方法二：排序+一次遍历
+
+一次遍历直接在ans中存储当前所有差值为当前最小值的pair，如果有更小的pair-diff则之前存的都扔掉。
+
++ 时间复杂度$O(n\log n)$，其中 $n$ 是数组 $\textit{arr}$ 的长度
++ 空间复杂度$O(n)$，最坏情况可能存接近$n$对非答案
+
+### AC代码
+
+#### C++
+
+```cpp
+/*
+ * @LastEditTime: 2026-01-26 23:39:44
+ */
+class Solution {
+public:
+    vector<vector<int>> minimumAbsDifference(vector<int>& arr) {
+        sort(arr.begin(), arr.end());
+        vector<vector<int>> ans;
+        int mini = 10000001;
+        for (int i = 1; i < arr.size(); i++) {
+            int diff = arr[i] - arr[i - 1];
+            if (diff == mini) {
+                ans.push_back({arr[i - 1], arr[i]});
+            } else if (diff < mini) {
+                mini = diff;
+                ans = {{arr[i - 1], arr[i]}};
+            }
+        }
+        return ans;
+    }
+};
+```
+
+#### Py
+
+```python
+'''
+LastEditTime: 2026-01-26 23:45:24
+'''
+from typing import List
+
+class Solution:
+    def minimumAbsDifference(self, arr: List[int]) -> List[List[int]]:
+        arr.sort()
+        ans = []
+        mini = 10000000
+        for i in range(1, len(arr)):
+            diff = arr[i] - arr[i - 1]
+            if diff < mini:
+                ans = [[arr[i - 1], arr[i]]]
+                mini = diff
+            elif diff == mini:
+                ans.append([arr[i - 1], arr[i]])
+        return ans
+```
+
+#### Go
+
+```go
+/*
+ * @Author: LetMeFly
+ * @Date: 2026-01-26 23:38:09
+ * @LastEditors: LetMeFly.xyz
+ * @LastEditTime: 2026-01-26 23:48:45
+ */
+package main
+
+import "sort"
+
+func minimumAbsDifference(arr []int) (ans [][]int) {
+    sort.Ints(arr)
+	mini := 10000000
+	for i := 1; i < len(arr); i++ {
+		diff := arr[i] - arr[i - 1]
+		if diff < mini {
+			mini = diff
+			ans = [][]int{{arr[i - 1], arr[i]}}
+		} else if diff == mini {
+			ans = append(ans, []int{arr[i - 1], arr[i]})
+		}
+	}
+	return
+}
+```
+
 > 同步发文于CSDN，原创不易，转载请附上[原文链接](https://blog.letmefly.xyz/2022/07/04/LeetCode%201200.%E6%9C%80%E5%B0%8F%E7%BB%9D%E5%AF%B9%E5%B7%AE/)哦~
 > Tisfy：[https://letmefly.blog.csdn.net/article/details/125609898](https://letmefly.blog.csdn.net/article/details/125609898)
diff --git a/todo b/todo
index a86817e29301..2a60e04cbcca 100644
--- a/todo
+++ b/todo
@@ -1,5 +1,6 @@
-# rm Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.py
-# rm Codes/1984-minimum-difference-between-highest-and-lowest-of-k-scores_20260125.go
+# record best-effort
+
+# Solutions\LeetCode 1200.最小绝对差.md tail
 
 # html 电脑屏幕取色器
 # https://web.letmefly.xyz/%E8%AE%A1%E7%AE%97%E6%9C%BACode/HTML%E7%94%B5%E8%84%91%E5%B1%8F%E5%B9%95%E5%8F%96%E8%89%B2%E5%99%A8/