Problem	nemo
User	rm1729
Submission Time	2023-01-31 18:50:25
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

nemo.cpp: In function ‘int main()’:
nemo.cpp:83:17: error: ‘u2’ was not declared in this scope; did you mean ‘u1’?
83 | u2.unite(E[i].second.first, E[i].second.second);
| ^~
| u1
nemo.cpp:85:16: error: ‘u2’ was not declared in this scope; did you mean ‘u1’?
85 | if(u2.get(k.first.second.first)==u2.get(k.first.second.second)) ans[k.second] = 'Y';
| ^~
| u1