0_0_23388303_18871.cpp: In function 'int main()':
0_0_23388303_18871.cpp:69:5: error: redefinition of 'int main()'
int main()
^
0_0_23388303_18871.cpp:47:5: note: 'int main()' previously defined here
int main(){
^
0_0_23388303_18871.cpp:75:13: error: 'head' was not declared in this scope
clr(head,-1);
^
0_0_23388303_18871.cpp:75:20: error: 'clr' was not declared in this scope
clr(head,-1);
^
0_0_23388303_18871.cpp:76:13: error: 'low' was not declared in this scope
clr(low,0);
^
0_0_23388303_18871.cpp:77:13: error: 'dfn' was not declared in this scope
clr(dfn,0);
^
0_0_23388303_18871.cpp:78:13: error: 'belong' was not declared in this scope
clr(belong,0);
^
0_0_23388303_18871.cpp:79:13: error: 'in' was not declared in this scope
clr(in,0);
^
0_0_23388303_18871.cpp:80:13: error: 'to' was not declared in this scope
clr(to,0);
^
0_0_23388303_18871.cpp:81:18: error: request for member 'empty' in 'q', which is of non-class type 'int [30]'
while(!q.empty())
^
0_0_23388303_18871.cpp:82:15: error: request for member 'pop' in 'q', which is of non-class type 'int [30]'
q.pop();
^
0_0_23388303_18871.cpp:83:14: error: 'n' was not declared in this scope
cin>>n>>m;
^
0_0_23388303_18871.cpp:83:17: error: 'm' was not declared in this scope
cin>>n>>m;
^
0_0_23388303_18871.cpp:87:24: error: 'add_e' was not declared in this scope
add_e(i,u,v);
^
0_0_23388303_18871.cpp:89:9: error: 'id' was not declared in this scope
id=ct=0;
^
0_0_23388303_18871.cpp:89:12: error: 'ct' was not declared in this scope
id=ct=0;
^
0_0_23388303_18871.cpp:93:25: error: 'tarjan' was not declared in this scope
tarjan(i);
^
0_0_23388303_18871.cpp:106:23: error: 'edge' was not declared in this scope
if(belong[edge[i].st]!=belong[edge[i].to])
^
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