View Compilation Error

0_0_31768843_21400.cpp: In function 'int jieti(int)':
0_0_31768843_21400.cpp:30:5: error: redefinition of 'int jieti(int)'
 int jieti(int n)
     ^
0_0_31768843_21400.cpp:3:5: note: 'int jieti(int)' previously defined here
 int jieti(int n)
     ^
0_0_31768843_21400.cpp: In function 'int main()':
0_0_31768843_21400.cpp:47:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_31768843_21400.cpp:20:5: note: 'int main()' previously defined here
 int main()
     ^