0_0_18989052_3369.cpp:129:1: error: 'G' does not name a type
G
^
0_0_18989052_3369.cpp: In function 'int main()':
0_0_18989052_3369.cpp:175:5: error: redefinition of 'int main()'
int main(){
^
0_0_18989052_3369.cpp:80:5: note: 'int main()' previously defined here
int main()
^
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