View Compilation Error

0_0_26165499_31851.cpp: In function 'LL pow(int, int)':
0_0_26165499_31851.cpp:28:2: error: expected ';' before 'for'
  for(;p;p >>= 1){
  ^
0_0_26165499_31851.cpp:28:16: error: expected ';' before ')' token
  for(;p;p >>= 1){
                ^