View Compilation Error

0_0_39083675_15535.cpp: In function 'int bfs(int, int)':
0_0_39083675_15535.cpp:57:2: error: expected '}' at end of input
   57 | }
      |  ^
0_0_39083675_15535.cpp:24:1: note: to match this '{'
   24 | {
      | ^