/in/foo.cc: In function 'int main()':
/in/foo.cc:15:35: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat=]
   if(abs(t)!=1)printf("%ld",abs(t));
                                   ^
/in/foo.cc:16:34: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat=]
   if(!n&&abs(t)==1)printf("%ld",t);
                                  ^
/in/foo.cc:18:29: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'int' [-Wformat=]
   if(n&&n-1)printf("x^%ld",n);
                             ^