/in/foo.cc: In function 'int main()':
/in/foo.cc:93:12: warning: unknown conversion type character '/' in format [-Wformat=]
   93 |   printf("%/d", T);
      |            ^
/in/foo.cc:93:10: warning: too many arguments for format [-Wformat-extra-args]
   93 |   printf("%/d", T);
      |          ^~~~~
/in/foo.cc:93:9: warning: 'T' may be used uninitialized [-Wmaybe-uninitialized]
   93 |   printf("%/d", T);
      |   ~~~~~~^~~~~~~~~~
/in/foo.cc:86:7: note: 'T' was declared here
   86 |   int T;
      |       ^
/in/foo.cc:80:7: warning: 'ans' may be used uninitialized [-Wmaybe-uninitialized]
   80 |       if (i != ans) {
      |       ^~
/in/foo.cc:64:15: note: 'ans' was declared here
   64 |    int tmp=0, ans;
      |               ^~~