View Compilation Error

0_0_39060358_2835.cpp:34:1: error: 'LL' does not name a type
   34 | LL mst = 0;
      | ^~
0_0_39060358_2835.cpp: In function 'void kruskal()':
0_0_39060358_2835.cpp:64:25: error: 'mst' was not declared in this scope
   64 |                         mst += v[i].c;
      |                         ^~~
0_0_39060358_2835.cpp: In function 'int main()':
0_0_39060358_2835.cpp:110:40: error: 'mst' was not declared in this scope
  110 |                                 ans += mst - dis[a][b] + min(c, dp[a][b]);
      |                                        ^~~
0_0_39060358_2835.cpp:112:37: error: 'mst' was not declared in this scope
  112 |                         else ans += mst;
      |                                     ^~~