pascal1, Pascal - rextester

Language: Layout:

//fpc 3.0.0

program HelloWorld;
uses crt;
var n,i,ln,nn,b,j,c,x,y,d :integer;
      a: array[1..100] of integer;
begin
    clrscr;
    randomize;
    
    //Nhap n so nguyen vao day
    writeln('Nhap n');
    n:=5;
    for i:=1 to n do a[i]:=random(100);
    for i:=1 to n do writeln(a[i]);
    
    //So lon nhat nho nhat
    ln:=a[1];
    for i:=1 to n do if a[i]>ln then ln:=a[i];
    nn:=a[1];
    for i:=1 to n do if a[i]<nn then nn:=a[i];
    writeln('So lon nhat la:',ln);
    writeln('So nho nhat la:',nn);
    
    //Tim so nguyen to
    for i:=1 to n do
    begin
    b:=0;
    for j:=1 to a[i] do if (a[i] mod j =0) then b:=b+1;
    if b=2 then writeln(a[i]);
    if b=2 then c:=c+1;
    end;
    Writeln('So so nguyen to la:',c);
    
    //Tim vi tri X
    Writeln('Nhap X');
    x:= a[3];
    for i:=1 to n do if a[i] = x then writeln('Vi tri cua X là:',i);
    
    //Xoa Y ra khoi day 
    Writeln('Nhap Y');
    y:=a[2];
    for i:=1 to n do if a[i]=y then d:=d+1;
    for j:=1 to d do
    for i:=1 to n do if a[i]=y then 
    begin
    b:=a[i];
    c:=a[i+1];
    a[i+1]:=b;
    a[i]:=c;
    end;
    n:=n-d;
    for i:=1 to n do writeln(a[i]);
end.

Show compiler warnings [ + ] Show input
Compilation time: 0.24 sec, absolute running time: 0.13 sec, cpu time: 0.06 sec, memory peak: 3 Mb, absolute service time: 0,47 sec