foo.cc: In function 'int main()':
foo.cc:9:23: error: expected ';' before '}' token
    9 |   printf("%c",'A'+i-1)
      |                       ^
      |                       ;
   10 |  }
      |  ~                     
foo.cc:5:8: warning: unused variable 'n' [-Wunused-variable]
    5 |  int i,n;
      |        ^

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