View Compilation Error

0_0_26582205_5871.cpp: In function 'int main()':
0_0_26582205_5871.cpp:17:23: error: lvalue required as left operand of assignment
           abs(a[0][0])=max;
                       ^
0_0_26582205_5871.cpp:19:25: error: lvalue required as left operand of assignment
             abs(a[i][j])=max;
                         ^