/in/foo.cc: In function 'int main()':
/in/foo.cc:15:27: warning: unused variable 'sum' [-Wunused-variable]
  int t,i,j,n,h,r,temp,p,q,sum,summ;
                           ^~~
/in/foo.cc:15:31: warning: unused variable 'summ' [-Wunused-variable]
  int t,i,j,n,h,r,temp,p,q,sum,summ;
                               ^~~~