View Compilation Error

0_0_35956815_954.cpp: In function 'void init()':
0_0_35956815_954.cpp:30:3: error: 'xx' was not declared in this scope
   xx[i]=yy[i]=0;
   ^
0_0_35956815_954.cpp:30:9: error: 'yy' was not declared in this scope
   xx[i]=yy[i]=0;
         ^