phần đọc tự viết
for i:=j to n do
b[i+1]:=a[i];
for i:=1 to j do write(g,a[i]);
write(g,M);
for i:=j+1 to n+1 do
write(g,b[i]);
uses crt;
var a,b:array[1..100]of integer;
i,n,m,k,tam:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to n do
write(a[i]:6);
writeln;
write('Nhap m='); readln(m);
write('Nhap chi so k='); readln(k);
for i:=1 to k do
b[i]:=a[i];
for i:=k+2 to n+1 do
b[i]:=a[i-1];
b[k+1]:=m;
for i:=1 to n+1 do
write(b[i]:6);
readln;
end.