View Compilation Error

0_0_24450321_3450.cpp: In function 'int main()':
0_0_24450321_3450.cpp:20:34: error: 'cnt' was not declared in this scope
   rep(i,0,n)scanf("%d",&data[i]),cnt+=(data[i]!=1);
                                  ^
0_0_24450321_3450.cpp:21:6: error: 'cnt' was not declared in this scope
   if(cnt>=2)puts("Yes");
      ^
0_0_24450321_3450.cpp:23:20: error: 'd' was not declared in this scope
   else if(cnt==0&&(d==1&&n%3==0||d==2&&n%3==1))puts("No");
                    ^