View Compilation Error

0_0_14857785_146.cpp: In function 'LL quickpow(LL, int, int)':
0_0_14857785_146.cpp:14:6: error: 'n' was not declared in this scope
   if(n&1)
      ^
0_0_14857785_146.cpp:17:3: error: 'n' was not declared in this scope
   n>>=1;
   ^
0_0_14857785_146.cpp: In function 'LL CRT(int, LL*, LL*)':
0_0_14857785_146.cpp:82:31: error: expected ';' before ')' token
   x+=mul(mul(y, w, M),a[i], M));
                               ^