Problem	mrt
User	bachnguyen123
Submission Time	2025-10-12 11:41:36
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

mrt.cpp: In lambda function:
mrt.cpp:22:22: error: expected ‘{’ before ‘[’ token
22 | d[y][x] = [y][x]; // if undirected
| ^
mrt.cpp: In function ‘int main()’:
mrt.cpp:22:22: error: no match for ‘operator[]’ (operand types are ‘main()::<lambda()>’ and ‘int’)