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View Compilation Error

0_0_26842818_12993.cpp: In function 'int SG(int)':
0_0_26842818_12993.cpp:26:13: error: 'int SG(int)' redeclared as different kind of symbol
 int SG(int n){
             ^
0_0_26842818_12993.cpp:5:5: note: previous declaration 'int SG [105]'
 int SG[maxn];
     ^
0_0_26842818_12993.cpp: In function 'int main()':
0_0_26842818_12993.cpp:43:24: error: 'SG' cannot be used as a function
             res^=SG(num);
                        ^


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