View Compilation Error

0_0_17915421_32655.cpp: In function 'void dijkstra()':
0_0_17915421_32655.cpp:24:3: error: expected ',' or ';' before 'for'
   for(int j=1;j<=lukou;j++)
   ^
0_0_17915421_32655.cpp:24:15: error: 'j' was not declared in this scope
   for(int j=1;j<=lukou;j++)
               ^