View Compilation Error

0_0_26099414_6392.cpp:11:3: error: stray '\243' in program
   int n,_；
   ^
0_0_26099414_6392.cpp:11:3: error: stray '\273' in program
0_0_26099414_6392.cpp: In function 'int main()':
0_0_26099414_6392.cpp:12:3: error: expected initializer before 'll'
   ll ans=0,cnt=0;
   ^
0_0_26099414_6392.cpp:15:16: error: '_' was not declared in this scope
    scanf("%d",&_);
                ^
0_0_26099414_6392.cpp:21:6: error: 'ans' was not declared in this scope
      ans+=1LL*_-tmp->first;
      ^
0_0_26099414_6392.cpp:22:6: error: 'cnt' was not declared in this scope
      cnt++;
      ^
0_0_26099414_6392.cpp:30:9: error: 'ans' was not declared in this scope
   cout<<ans<<" "<<cnt*2<<endl;  
         ^
0_0_26099414_6392.cpp:30:19: error: 'cnt' was not declared in this scope
   cout<<ans<<" "<<cnt*2<<endl;  
                   ^