View Compilation Error

0_0_28303083_18369.cpp: In function 'int main()':
0_0_28303083_18369.cpp:40:9: error: 'o' was not declared in this scope
         o={2,0,0,1,0,0,1,0,0};
         ^
0_0_28303083_18369.cpp:41:9: error: 'x' was not declared in this scope
         x={1,2,1,1,0,0,0,0,1};
         ^