View Compilation Error

0_0_15055484_28561.cpp: In function 'int main()':
0_0_15055484_28561.cpp:20:6: error: 'a' was not declared in this scope
   if(a[i]>=a[i+1]){
      ^
0_0_15055484_28561.cpp:27:6: error: 'b' was not declared in this scope
   if(b[i]>=b[i+1]){
      ^
0_0_15055484_28561.cpp:28:9: error: 'a' was not declared in this scope
    max1=a[i]
         ^
0_0_15055484_28561.cpp:36:12: error: 'a' was not declared in this scope
      min2+=a[i];
            ^
0_0_15055484_28561.cpp:37:12: error: 'b' was not declared in this scope
      max2+=b[j];
            ^
0_0_15055484_28561.cpp:48:1: error: expected '}' at end of input
 }
 ^