/in/foo.cc: In function 'int main()':
/in/foo.cc:92:12: warning: unknown conversion type character '/' in format [-Wformat=]
   92 |   printf("%/d", T);
      |            ^
/in/foo.cc:92:10: warning: too many arguments for format [-Wformat-extra-args]
   92 |   printf("%/d", T);
      |          ^~~~~
/in/foo.cc:92:9: warning: 'T' may be used uninitialized [-Wmaybe-uninitialized]
   92 |   printf("%/d", T);
      |   ~~~~~~^~~~~~~~~~
/in/foo.cc:85:7: note: 'T' was declared here
   85 |   int T;
      |       ^
/in/foo.cc:79:7: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
   79 |       if (i != ans) {
      |       ^~
/in/foo.cc:63:15: note: 'ans' was declared here
   63 |    int tmp=0, ans;
      |               ^~~