View Compilation Error

0_0_20931310_8260.cpp:67:11: error: redefinition of 'const int MAXN'
 const int MAXN = 50005;
           ^
0_0_20931310_8260.cpp:27:11: note: 'const int MAXN' previously defined here
 const int MAXN = 50005;
           ^
0_0_20931310_8260.cpp: In function 'long long unsigned int eluar(long long unsigned int)':
0_0_20931310_8260.cpp:68:4: error: redefinition of 'long long unsigned int eluar(long long unsigned int)'
 LL eluar(LL n){
    ^
0_0_20931310_8260.cpp:28:4: note: 'long long unsigned int eluar(long long unsigned int)' previously defined here
 LL eluar(LL n){
    ^
0_0_20931310_8260.cpp: In function 'int main()':
0_0_20931310_8260.cpp:78:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_20931310_8260.cpp:40:5: note: 'int main()' previously defined here
 int main()
     ^