leetcode

commit 31e66beff952415ea1327954d90b45afabe6438e
parent 785e23460e5e020b75b806f6a3d44ba5c870293a
Author: Jack Sangdahl <jack@pngu.org>
Date:   Fri, 17 Apr 2026 20:48:35 -0600

3783. mirror distance of an integer

Diffstat:
A
mirror_dist_int.c
 | 
35
+++++++++++++++++++++++++++++++++++
A
mirror_dist_int.py
 | 
20
++++++++++++++++++++

2 files changed, 55 insertions(+), 0 deletions(-)
diff --git a/mirror_dist_int.c b/mirror_dist_int.c
@@ -0,0 +1,35 @@
+// 3783. Mirror Distance of an Integer
+#include "leetcode.h"
+
+/*
+ * you are given an integer 'n'. define its mirror distance as 'abs(n -
+ * reverse(n))' where 'reverse(n)' is the integer formed by reversing the digits
+ * of 'n'. return an integer denoting the mirror distance of 'n'. 'abs(x)'
+ * denotes the absolute value of 'x'.
+ */
+
+int reverse(int n) {
+  int res = 0;
+  while (n > 0) {
+    res = res * 10 + (n % 10);
+    n /= 10;
+  }
+  return res;
+}
+
+int mirrorDistance(int n) {
+  int m = reverse(n);
+  return abs(m - n);
+}
+
+int main() {
+  int r1 = mirrorDistance(25);
+  int r2 = mirrorDistance(10);
+  int r3 = mirrorDistance(7);
+  printf("%d\n", r1);
+  assert(r1 == 27);
+  printf("%d\n", r2);
+  assert(r2 == 9);
+  printf("%d\n", r3);
+  assert(r3 == 0);
+}
diff --git a/mirror_dist_int.py b/mirror_dist_int.py
@@ -0,0 +1,20 @@
+# 3783. Mirror Distance of an Integer
+
+"""
+you are given an integer 'n'. define its mirror distance as 'abs(n -
+reverse(n))' where 'reverse(n)' is the integer formed by reversing the digits
+of 'n'. return an integer denoting the mirror distance of 'n'. 'abs(x)'
+denotes the absolute value of 'x'.
+"""
+
+
+class Solution:
+    def mirrorDistance(self, n: int) -> int:
+        return abs(n - int(str(n)[::-1]))
+
+
+if __name__ == "__main__":
+    obj = Solution()
+    print(obj.mirrorDistance(n=25))
+    print(obj.mirrorDistance(n=10))
+    print(obj.mirrorDistance(n=7))