View Compilation Error

0_0_37080961_7218.cpp: In function 'void dijkstra(int)':
0_0_37080961_7218.cpp:20:9: error: 'j' was not declared in this scope
    for( j=0;j<n;j++)
         ^
0_0_37080961_7218.cpp: In function 'int main()':
0_0_37080961_7218.cpp:34:8: error: 'i' was not declared in this scope
   for( i=0;i<m;i++)
        ^
0_0_37080961_7218.cpp:47:22: error: 'i' was not declared in this scope
    printf("%d\n",dis[i]);
                      ^