View Compilation Error

0_0_16630289_13985.cpp: In function 'void Dijstra(int)':
0_0_16630289_13985.cpp:50:44: error: 'to' was not declared in this scope
                 PQ.push((HeapNode){d[e.to],to});
                                            ^
0_0_16630289_13985.cpp: In function 'int main()':
0_0_16630289_13985.cpp:80:53: error: 'Addedge' was not declared in this scope
                     Addedge(a[j],a[k],Abs(a[j]-a[k]));
                                                     ^
0_0_16630289_13985.cpp:85:38: error: 'Addedge' was not declared in this scope
                 Addedge(a[j],a[j+1],1);
                                      ^
0_0_16630289_13985.cpp:92:13: error: expected '}' at end of input
     return 0;
             ^