/in/foo.cc: In function 'void zlrzh(int, int)':
/in/foo.cc:7:21: warning: unused variable 't' [-Wunused-variable]
  long long i,j,temp,t;
                     ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:38:14: warning: unused variable 'j' [-Wunused-variable]
  long long n,j,i,m=1;
              ^