View Compilation Error

0_0_37742120_9024.cpp:48:2: error: 's' does not name a type
 }s
  ^
0_0_37742120_9024.cpp: In function 'void solve()':
0_0_37742120_9024.cpp:102:16: error: 'bfs' was not declared in this scope
         if(bfs()) {
                ^