Problem	4sum
User	nzx
Submission Time	2026-02-13 07:26:01
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

4sum.cpp: In function ‘int main()’:
4sum.cpp:23:19: error: ‘C’ was not declared in this scope
23 | int target = -(C[h] + D[l]);
| ^
4sum.cpp:23:26: error: ‘D’ was not declared in this scope
23 | int target = -(C[h] + D[l]);
| ^