Problem	xmas
User	threadstart
Submission Time	2025-03-10 16:01:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

xmas.cpp: In function ‘int main()’:
xmas.cpp:16:3: error: ‘assert’ was not declared in this scope
16 | assert(s2r[r2s] == -1);
| ^~~~~~
xmas.cpp:3:1: note: ‘assert’ is defined in header ‘<cassert>’; did you forget to ‘#include <cassert>’?
2 | #include <algorithm>
+++ |+#include <cassert>
3 | #include <array>