uses crt;
var a:array[1..100]of integer;
n,i,k,max,min,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Nhap k='); readln(k);
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln('Gia tri lon nhat la: ',max);
writeln('Vi tri la: ');
for i:=1 to n do
if max=a[i] then write(i:4);
writeln;
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln('Gia tri nho nhat la: ',min);
writeln('Vi tri la: ');
for i:=1 to n do
if min=a[i] then write(i:4);
writeln;
t:=0;
for i:=1 to n do
if i mod 2=0 then t:=t+sqr(a[i]);
writeln('Tong binh phuong cac gia tri o vi tri chan la: ',t);
readln;
end.