View Compilation Error

0_0_39128783_4065.cpp: In function 'int main()':
0_0_39128783_4065.cpp:64:41: error: invalid operands of types 'void' and 'int' to binary 'operator>'
   64 |                 if(dijkstra(x, y, graph)>7)
      |                    ~~~~~~~~~~~~~~~~~~~~~^~
      |                            |             |
      |                            void          int