View Compilation Error

0_0_26575978_25695.cpp: In function 'int main()':
0_0_26575978_25695.cpp:15:16: error: incompatible types in assignment of 'int' to 'double [50]'
             av1=k/m;
                ^
0_0_26575978_25695.cpp:22:16: error: incompatible types in assignment of 'int' to 'double [5]'
             av2=k/m;
                ^
0_0_26575978_25695.cpp:27:29: error: invalid operands of types 'double' and 'double [5]' to binary 'operator>='
                 if(a[i][j]>=av2)
                             ^
0_0_26575978_25695.cpp:44:23: error: 'y' was not declared in this scope
         printf("%d\n",y);
                       ^