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View Compilation Error

0_0_38514947_32618.cpp:3:9: error: 'Evode' was not declared in this scope
 int cmp(Evode a,Evode b)
         ^
0_0_38514947_32618.cpp:3:17: error: 'Evode' was not declared in this scope
 int cmp(Evode a,Evode b)
                 ^
0_0_38514947_32618.cpp:3:24: error: expression list treated as compound expression in initializer [-fpermissive]
 int cmp(Evode a,Evode b)
                        ^
0_0_38514947_32618.cpp:4:1: error: expected ',' or ';' before '{' token
 {
 ^
0_0_38514947_32618.cpp: In function 'int find(char)':
0_0_38514947_32618.cpp:12:11: error: 'Vexset' was not declared in this scope
     while(Vexset[y]!=y)y=Vexset[y];
           ^
0_0_38514947_32618.cpp: In function 'int add(char, char)':
0_0_38514947_32618.cpp:23:9: error: 'Vexset' was not declared in this scope
         Vexset[fx]=fy;
         ^
0_0_38514947_32618.cpp: At global scope:
0_0_38514947_32618.cpp:28:14: error: variable or field 'Kruskal' declared void
 void Kruskal(AMGraph G)
              ^
0_0_38514947_32618.cpp:28:14: error: 'AMGraph' was not declared in this scope


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