Problem	ballot
User	PerihelionfromAphelion
Submission Time	2026-05-03 16:23:09
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ballot.cpp: In function ‘int main()’:
ballot.cpp:12:27: error: ‘a’ was not declared in this scope
12 | s.insert(make_pair(inp, a + 1));
| ^