Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:60:8: warning: unused variable 'j' [-Wunused-variable]
int i,j,m,n;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:60:8: warning: unused variable 'j' [-Wunused-variable]
int i,j,m,n;
^
