/in/foo.cc: In function 'int main()':
/in/foo.cc:7:8: warning: unused variable 'c' [-Wunused-variable]
  int a,c,d,t,g=3,cnt=0;
        ^
/in/foo.cc:7:10: warning: unused variable 'd' [-Wunused-variable]
  int a,c,d,t,g=3,cnt=0;
          ^
/in/foo.cc:7:12: warning: unused variable 't' [-Wunused-variable]
  int a,c,d,t,g=3,cnt=0;
            ^
/in/foo.cc:7:14: warning: unused variable 'g' [-Wunused-variable]
  int a,c,d,t,g=3,cnt=0;
              ^
/in/foo.cc:7:18: warning: unused variable 'cnt' [-Wunused-variable]
  int a,c,d,t,g=3,cnt=0;
                  ^~~
/in/foo.cc: In function 'void isd(int)':
/in/foo.cc:14:16: warning: unused variable 'cnt' [-Wunused-variable]
  int c,d,t,g=3,cnt=0;
                ^~~