View Compilation Error

0_0_20135484_10163.cpp: In function 'void count(short int, short int)':
0_0_20135484_10163.cpp:5:5: error: 'n' was not declared in this scope
     n=y-x+1;
     ^
0_0_20135484_10163.cpp:9:9: error: 'num' was not declared in this scope
         num[i]=x;
         ^
0_0_20135484_10163.cpp:14:12: error: 'num' was not declared in this scope
         if(num[k]%2==0)
            ^