0_0_2044590_3363.cpp:67: error: redefinition of `struct node'
0_0_2044590_3363.cpp:9: error: previous definition of `struct node'
0_0_2044590_3363.cpp: In function `bool cmp(const node&, const node&)':
0_0_2044590_3363.cpp:73: error: redefinition of `bool cmp(const node&, const node&)'
0_0_2044590_3363.cpp:15: error: `bool cmp(const node&, const node&)' previously defined here
0_0_2044590_3363.cpp: At global scope:
0_0_2044590_3363.cpp:78: error: redefinition of `node a[10010]'
0_0_2044590_3363.cpp:20: error: `node a[10010]' previously declared here
0_0_2044590_3363.cpp:79: error: redefinition of `int n'
0_0_2044590_3363.cpp:21: error: `int n' previously declared here
0_0_2044590_3363.cpp:79: error: redefinition of `int m'
0_0_2044590_3363.cpp:21: error: `int m' previously declared here
0_0_2044590_3363.cpp: In function `int main()':
0_0_2044590_3363.cpp:82: error: redefinition of `int main()'
0_0_2044590_3363.cpp:24: error: `int main()' previously defined here
0_0_2044590_3363.cpp: At global scope:
0_0_2044590_3363.cpp:128: error: redefinition of `struct node'
0_0_2044590_3363.cpp:9: error: previous definition of `struct node'
0_0_2044590_3363.cpp: In function `int bfs()':
0_0_2044590_3363.cpp:161: error: 'struct node' has no member named 'kk'
0_0_2044590_3363.cpp:165: error: 'struct node' has no member named 'step'
0_0_2044590_3363.cpp:174: error: 'struct node' has no member named 'kk'
0_0_2044590_3363.cpp:175: error: 'struct node' has no member named 'step'
0_0_2044590_3363.cpp:209: error: 'struct node' has no member named 'kk'
0_0_2044590_3363.cpp:210: error: 'struct node' has no member named 'step'
0_0_2044590_3363.cpp: In function `int main()':
0_0_2044590_3363.cpp:222: error: redefinition of `int main()'
0_0_2044590_3363.cpp:82: error: `int main()' previously defined here
0_0_2044590_3363.cpp:222: error: redefinition of `int main()'
0_0_2044590_3363.cpp:24: error: `int main()' previously defined here
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