/in/foo.cc: In function 'int main()':
/in/foo.cc:28:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
cin>>n>>s+1;
~^~
/in/foo.cc:27:6: warning: unused variable 'i' [-Wunused-variable]
int i,j,k,l,n,m;
^
/in/foo.cc:27:8: warning: unused variable 'j' [-Wunused-variable]
int i,j,k,l,n,m;
^
/in/foo.cc:27:10: warning: unused variable 'k' [-Wunused-variable]
int i,j,k,l,n,m;
^
/in/foo.cc:27:12: warning: unused variable 'l' [-Wunused-variable]
int i,j,k,l,n,m;
^
/in/foo.cc:27:16: warning: unused variable 'm' [-Wunused-variable]
int i,j,k,l,n,m;
^