View Compilation Error

0_0_34149515_1530.cpp:42:11: error: redefinition of 'const int inf'
 const int inf=0x3f3f3f3f;
           ^
0_0_34149515_1530.cpp:16:11: note: 'const int inf' previously defined here
 const int inf=0x3f3f3f3f;
           ^
0_0_34149515_1530.cpp:43:14: error: redefinition of 'const double pi'
 const double pi= acos(-1.0);
              ^
0_0_34149515_1530.cpp:17:14: note: 'const double pi' previously defined here
 const double pi= acos(-1.0);
              ^
0_0_34149515_1530.cpp:44:14: error: redefinition of 'const double esp'
 const double esp=1e-7;
              ^
0_0_34149515_1530.cpp:18:14: note: 'const double esp' previously defined here
 const double esp=1e-7;
              ^
0_0_34149515_1530.cpp: In function 'int main()':
0_0_34149515_1530.cpp:45:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_34149515_1530.cpp:19:5: note: 'int main()' previously defined here
 int main()
     ^