View Compilation Error

0_0_37836875_30538.cpp: In function 'int main()':
0_0_37836875_30538.cpp:27:3: error: 'lrong' was not declared in this scope
   lrong long tmp=n+1,ans=0,lst=0;
   ^
0_0_37836875_30538.cpp:29:9: error: 'tmp' was not declared in this scope
   while(tmp)
         ^
0_0_37836875_30538.cpp:36:4: error: 'ans' was not declared in this scope
    ans+=dp[i][2]*num[i];
    ^
0_0_37836875_30538.cpp:39:7: error: 'lst' was not declared in this scope
    if(lst==4&&num[i]==9)//**4 9---
       ^
0_0_37836875_30538.cpp:44:4: error: 'lst' was not declared in this scope
    lst=num[i];
    ^
0_0_37836875_30538.cpp:46:9: error: 'ans' was not declared in this scope
   cout<<ans<<endl;
         ^