View Compilation Error

0_0_11276538_24949.cpp:75: error: redefinition of `const double PI'
0_0_11276538_24949.cpp:13: error: `const double PI' previously declared here
0_0_11276538_24949.cpp:76: error: redefinition of `const double eps'
0_0_11276538_24949.cpp:14: error: `const double eps' previously defined here
0_0_11276538_24949.cpp:77: error: redefinition of `const int N'
0_0_11276538_24949.cpp:15: error: `const int N' previously defined here
0_0_11276538_24949.cpp: In function `int main()':
0_0_11276538_24949.cpp:137: error: redefinition of `int main()'
0_0_11276538_24949.cpp:18: error: `int main()' previously defined here