View Compilation Error

0_0_26509243_10170.cpp: In function 'void dijkstra()':
0_0_26509243_10170.cpp:48:16: error: 'dist' was not declared in this scope
             if(dist[edge[k].to]>ts.dist+edge[k].val)
                ^
0_0_26509243_10170.cpp: In function 'long long int A_star()':
0_0_26509243_10170.cpp:68:24: error: 'dist' was not declared in this scope
     st.j=1;st.g=0;st.h=dist[1];
                        ^
0_0_26509243_10170.cpp: In function 'int main()':
0_0_26509243_10170.cpp:88:12: error: 'dist' was not declared in this scope
     memset(dist,127,sizeof(dist));
            ^