Problem	fish
User	JoonYorigami
Submission Time	2026-05-20 20:09:54
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fish.cpp: In function ‘ll solveST2(int, int, std::vector<int>, std::vector<int>, std::vector<int>)’:
fish.cpp:19:10: error: ‘b’ was not declared in this scope
19 | ll a=0;b=0;
| ^