View Compilation Error

0_0_36117131_11926.cpp: In function 'int main()':
0_0_36117131_11926.cpp:12:14: error: 'num' was not declared in this scope
   int temp = num[0],i=1,j=0; 
              ^
0_0_36117131_11926.cpp:15:13: error: 'i' was not declared in this scope
    cin>>num[i];
             ^
0_0_36117131_11926.cpp:19:5: error: 'j' was not declared in this scope
     j = i; 
     ^
0_0_36117131_11926.cpp:23:7: error: 'j' was not declared in this scope
   num[j] = num[0];
       ^
0_0_36117131_11926.cpp:25:22: error: 'i' was not declared in this scope
   for(int m = 0; m < i; m++){
                      ^