Program Sortir Data Mahasiswa

program sort_DATA_MAHASISWA;
uses crt;
type
dataMHS=string;
var
nama,NPM,kelas: array[1..15] of dataMHS;
z,a,n: byte;
temp: string;
const garis='================================';
begin
clrscr;
write('masukkan data:');readln(n);
writeln('data awal:');
for z:= 1 to n do
begin
write('nama:');readln(nama[z]);
write('NPM:');readln(NPM[z]);
write('kelas:');readln(kelas[z]);
writeln;
end;
for z:=1 to n-1 do
begin
for a:=z to n do
begin
if (kelas[a] < kelas[z]) then
begin
temp := nama[a];
nama[a] := nama[z];
nama[z] := temp;
temp := NPM[a];
NPM[a] := NPM[z];
NPM[z] := temp;
temp := kelas[a];
kelas[a] := kelas[z];
kelas[z] := temp;
end;
end;
end;
writeln;
writeln('setelah diurutkan:');
for z:= 1 to n do
begin
writeln;
writeln('DATA MAHASISWA');
writeln;
writeln(garis);
writeln('nama NPM kelas');
writeln(garis);
for z:= 1 to n do
begin
writeln(nama[z]:0,NPM[z]:16,kelas[z]:9);
end;
end;
readln
end.