View Compilation Error

0_0_25876934_19239.cpp: In function 'void bfs()':
0_0_25876934_19239.cpp:53:13: error: expected '}' before 'else'
             else continue;
             ^
0_0_25876934_19239.cpp:55:9: error: 'else' without a previous 'if'
         else continue;
         ^
0_0_25876934_19239.cpp:55:14: error: continue statement not within a loop
         else continue;
              ^
0_0_25876934_19239.cpp: At global scope:
0_0_25876934_19239.cpp:68:1: error: expected declaration before '}' token
 }
 ^