View Compilation Error

0_0_26759402_20036.cpp: In function 'll Pow(int)':
0_0_26759402_20036.cpp:16:21: error: 'n' was not declared in this scope
  for(int i = 1;i <= n;i++)
                     ^
0_0_26759402_20036.cpp: In function 'int main()':
0_0_26759402_20036.cpp:43:7: error: 'a' was not declared in this scope
   if((a+b) > Max || (a+b) < Min) printf("Yes\n");
       ^
0_0_26759402_20036.cpp:43:9: error: 'b' was not declared in this scope
   if((a+b) > Max || (a+b) < Min) printf("Yes\n");
         ^