View Compilation Error

0_0_24532152_437.cpp: In function 'int main()':
0_0_24532152_437.cpp:24:14: error: 'luck' was not declared in this scope
             {luck=a[i];a[i]=0;count++;j=0;}
              ^
0_0_24532152_437.cpp:24:31: error: 'count' was not declared in this scope
             {luck=a[i];a[i]=0;count++;j=0;}
                               ^