View Compilation Error

0_0_2940966_26679.cpp: In function `int exgcd(int, int, int&, int&)':
0_0_2940966_26679.cpp:78: error: redefinition of `int exgcd(int, int, int&, int&)'
0_0_2940966_26679.cpp:14: error: `int exgcd(int, int, int&, int&)' previously defined here
0_0_2940966_26679.cpp: In function `int main(int, char**)':
0_0_2940966_26679.cpp:91: error: redefinition of `int main(int, char**)'
0_0_2940966_26679.cpp:27: error: `int main(int, char**)' previously defined here