View Compilation Error

0_0_4434498_22675.cpp: In function `int fun(int)':
0_0_4434498_22675.cpp:29: error: redefinition of `int fun(int)'
0_0_4434498_22675.cpp:3: error: `int fun(int)' previously defined here
0_0_4434498_22675.cpp: In function `int main()':
0_0_4434498_22675.cpp:38: error: redefinition of `int main()'
0_0_4434498_22675.cpp:12: error: `int main()' previously defined here