View Compilation Error

0_0_30092834_1457.cpp: In function 'll ppow(ll, ll)':
0_0_30092834_1457.cpp:43:4: error: redefinition of 'll ppow(ll, ll)'
 ll ppow(ll x,ll n)
    ^
0_0_30092834_1457.cpp:7:4: note: 'll ppow(ll, ll)' previously defined here
 ll ppow(ll x,ll n)
    ^
0_0_30092834_1457.cpp: In function 'int main()':
0_0_30092834_1457.cpp:56:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_30092834_1457.cpp:20:5: note: 'int main()' previously defined here
 int main()
     ^