View Compilation Error

0_0_26582175_23250.cpp: In function 'int main()':
0_0_26582175_23250.cpp:11:21: error: lvalue required as left operand of assignment
         abs(a[0][0])=max;
                     ^
0_0_26582175_23250.cpp:19:25: error: lvalue required as left operand of assignment
             abs(a[i][j])=max;
                         ^