foo.cc: In function 'int main()':
foo.cc:13:10: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   13 |   printf(tmp);
      |          ^~~
      |          |
      |          int
In file included from /usr/include/stdio.h:867,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:105:32: note:   initializing argument 1 of 'int printf(const char*, ...)'
  105 | printf (const char *__restrict __fmt, ...)
      |         ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
foo.cc:13:13: warning: format not a string literal and no format arguments [-Wformat-security]
   13 |   printf(tmp);
      |             ^
foo.cc:19:10: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   19 |   printf(tmp);
      |          ^~~
      |          |
      |          int
In file included from /usr/include/stdio.h:867,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:105:32: note:   initializing argument 1 of 'int printf(const char*, ...)'
  105 | printf (const char *__restrict __fmt, ...)
      |         ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
foo.cc:19:13: warning: format not a string literal and no format arguments [-Wformat-security]
   19 |   printf(tmp);
      |             ^
foo.cc:21:9: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   21 |  printf(a);
      |         ^
      |         |
      |         int
In file included from /usr/include/stdio.h:867,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:105:32: note:   initializing argument 1 of 'int printf(const char*, ...)'
  105 | printf (const char *__restrict __fmt, ...)
      |         ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
foo.cc:21:10: warning: format not a string literal and no format arguments [-Wformat-security]
   21 |  printf(a);
      |          ^
foo.cc:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
foo.cc:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d", &a);
      |  ~~~~~^~~~~~~~~~
foo.cc:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf("%d ", &tmp);
      |   ~~~~~^~~~~~~~~~~~~
foo.cc:18:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |   scanf("%d ", &tmp);
      |   ~~~~~^~~~~~~~~~~~~

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