Problem	deciphering_zane_4
User	zengminghao
Submission Time	2024-01-05 21:56:34
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

deciphering_zane_4.cpp: In function ‘const char* solve(int)’:
deciphering_zane_4.cpp:5:8: error: ‘NULL’ was not declared in this scope
5 | return NULL;
| ^~~~
deciphering_zane_4.cpp:2:1: note: ‘NULL’ is defined in header ‘<cstddef>’; did you forget to ‘#include <cstddef>’?
1 | #include "deciphering_zane_4.h"
+++ |+#include <cstddef>
2 | const char* solve(int T) {