var f,g:text;
    n,a,b,c,i,m:longint;
    e:array[1..100000]of integer;
begin
assign(f,'arbint.in');reset(f);
assign(g,'arbint.out');rewrite(g);
readln(f,n,m);
for i:=1 to n do read(f,e[i]);
for i:=1 to m do
     begin
     readln(f,c,a,b);
     if c=0 then begin
                 if e[a]>=e[b] then writeln(g,e[a])
                 else writeln(g,e[b]);
                 end
     else e[a]:=b;
     end;
close(f);
close(g);
end.