foo.cc:1:1: error: stray '\344' in program
    1 | 买铅笔#include<iostream>
      | ^
foo.cc:1:2: error: stray '\271' in program
    1 | 买铅笔#include<iostream>
      |  ^
foo.cc:1:3: error: stray '\260' in program
    1 | 买铅笔#include<iostream>
      |   ^
foo.cc:1:4: error: stray '\351' in program
    1 | 买铅笔#include<iostream>
      |    ^
foo.cc:1:5: error: stray '\223' in program
    1 | 买铅笔#include<iostream>
      |     ^
foo.cc:1:6: error: stray '\205' in program
    1 | 买铅笔#include<iostream>
      |      ^
foo.cc:1:7: error: stray '\347' in program
    1 | 买铅笔#include<iostream>
      |       ^
foo.cc:1:8: error: stray '\254' in program
    1 | 买铅笔#include<iostream>
      |        ^
foo.cc:1:9: error: stray '\224' in program
    1 | 买铅笔#include<iostream>
      |         ^
foo.cc:1:10: error: stray '#' in program
    1 | 买铅笔#include<iostream>
      |          ^
foo.cc:1:11: error: 'include' does not name a type
    1 | 买铅笔#include<iostream>
      |           ^~~~~~~
foo.cc: In function 'int main()':
foo.cc:6:2: error: 'cin' was not declared in this scope
    6 |  cin>>n;
      |  ^~~
foo.cc:14:2: error: 'cout' was not declared in this scope
   14 |  cout<<mi;
      |  ^~~~

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