View Compilation Error

0_0_20095856_24631.cpp: In function 'll qpow(ll, ll)':
0_0_20095856_24631.cpp:42:5: error: redeclaration of 'll res'
  ll res= 1;
     ^
0_0_20095856_24631.cpp:32:5: note: 'll res' previously declared here
  ll res=1;
     ^
0_0_20095856_24631.cpp:44:7: error: redeclaration of 'll curbase'
  ll t,curbase =a;
       ^
0_0_20095856_24631.cpp:31:5: note: 'll curbase' previously declared here
  ll curbase=a;
     ^