View Compilation Error

0_0_8680319_3700.cpp: In function `long long int power(long long int)':
0_0_8680319_3700.cpp:50: error: redefinition of `long long int power(long long int)'
0_0_8680319_3700.cpp:7: error: `long long int power(long long int)' previously defined here
0_0_8680319_3700.cpp: In function `int main()':
0_0_8680319_3700.cpp:65: error: redefinition of `int main()'
0_0_8680319_3700.cpp:22: error: `int main()' previously defined here