View Compilation Error

0_0_30259034_12623.cpp: In function 'int main()':
0_0_30259034_12623.cpp:15:17: error: 'max2ai' was not declared in this scope
         maxai = max2ai = maxbi = max2bi = 0;
                 ^
0_0_30259034_12623.cpp:15:34: error: 'max2bi' was not declared in this scope
         maxai = max2ai = maxbi = max2bi = 0;
                                  ^