View Compilation Error

0_0_9884071_19280.cpp: In function `int f(int)':
0_0_9884071_19280.cpp:43: error: redefinition of `int f(int)'
0_0_9884071_19280.cpp:3: error: `int f(int)' previously defined here
0_0_9884071_19280.cpp: In function `int prime(int)':
0_0_9884071_19280.cpp:57: error: redefinition of `int prime(int)'
0_0_9884071_19280.cpp:17: error: `int prime(int)' previously defined here
0_0_9884071_19280.cpp: In function `int main()':
0_0_9884071_19280.cpp:67: error: redefinition of `int main()'
0_0_9884071_19280.cpp:27: error: `int main()' previously defined here