foo.cc:6:15: error: extended character “ is not valid in an identifier
    6 |         scanf(“%d,%d”,&n,&m);
      |               ^
foo.cc:6:20: error: extended character ” is not valid in an identifier
    6 |         scanf(“%d,%d”,&n,&m);
      |                    ^
foo.cc:16:16: error: extended character “ is not valid in an identifier
   16 |         printf(“%d\n”，n);
      |                ^
foo.cc:16:19: error: stray '\' in program
   16 |         printf(“%d\n”，n);
      |                   ^
foo.cc:16:20: error: extended character ” is not valid in an identifier
   16 |         printf(“%d\n”，n);
      |                    ^
foo.cc:17:16: error: extended character “ is not valid in an identifier
   17 |         printf(“%d\n”，n);
      |                ^
foo.cc:17:19: error: stray '\' in program
   17 |         printf(“%d\n”，n);
      |                   ^
foo.cc:17:20: error: extended character ” is not valid in an identifier
   17 |         printf(“%d\n”，n);
      |                    ^
foo.cc: In function 'int main()':
foo.cc:6:15: error: '\U0000201c' was not declared in this scope
    6 |         scanf(“%d,%d”,&n,&m);
      |               ^
foo.cc:6:17: error: 'd' was not declared in this scope
    6 |         scanf(“%d,%d”,&n,&m);
      |                 ^
foo.cc:6:19: error: expected primary-expression before '%' token
    6 |         scanf(“%d,%d”,&n,&m);
      |                   ^
foo.cc:6:20: error: 'd\U0000201d' was not declared in this scope
    6 |         scanf(“%d,%d”,&n,&m);
      |                    ^~

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