View Compilation Error

0_0_39488302_5786.cpp: In function 'void dij(long long int)':
0_0_39488302_5786.cpp:12:13: error: 'x' was not declared in this scope
   12 |         vis[x] = true;
      |             ^
0_0_39488302_5786.cpp:19:21: error: 'q' was not declared in this scope
   19 |                     q.push(make_pair(dist[ve],ve));
      |                     ^
0_0_39488302_5786.cpp: At global scope:
0_0_39488302_5786.cpp:24:1: error: expected declaration before '}' token
   24 | }
      | ^