View Compilation Error

0_0_10902604_28644.cpp: In function `int main()':
0_0_10902604_28644.cpp:74: error: redefinition of `int main()'
0_0_10902604_28644.cpp:11: error: `int main()' previously defined here
0_0_10902604_28644.cpp: In function `int miller_robin(int, int)':
0_0_10902604_28644.cpp:97: error: redefinition of `int miller_robin(int, int)'
0_0_10902604_28644.cpp:34: error: `int miller_robin(int, int)' previously defined here
0_0_10902604_28644.cpp: In function `bool witness(long long int, long long int)':
0_0_10902604_28644.cpp:110: error: redefinition of `bool witness(long long int, long long int)'
0_0_10902604_28644.cpp:47: error: `bool witness(long long int, long long int)' previously defined here