View Compilation Error

0_0_33782550_12801.cpp: In function 'int main()':
0_0_33782550_12801.cpp:69:17: error: 'z' was not declared in this scope
   int n;read(n);z
                 ^
0_0_33782550_12801.cpp:70:15: error: 'i' was not declared in this scope
   for(int i=0;i<n;++i) scanf("%lf %lf",&p[i].x,&p[i].y),p[i].id=i+1;
               ^