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Cod sursa(job #152805)
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.