Question

[Tôn Nữ Tuyết Nhi]

Giải giúp mik 2 bài tập cuối vs ạ

Answer 1

[nguyễn an phát]

program tim_dien_tich;

uses crt;

var a1,a2,b1,b2,x1,x2,i,dem:longint;

dtnn,dt1,dt2,dt3,dt4,dt5,dt6:real;

x3:array[1..1000]of longint;

dt:array[1..1000]of real;

begin

  clrscr;

  write('nhap chieu dai va chieu rong:');readln(a1,b1);

  a2:=a1;b2:=b1;dt1:=a1*b1;dt2:=dt1/2;

  x1:=0;i:=0;dem:=0;

  writeln(dt2:5:1);

  writeln(x1);

  while x1<b1 do

  begin

    dt3:=a2*x1/2;

    dt4:=(b2-x1)*x1/2;

    dt5:=b2*(a2-x1)/2;

    dt6:=dt1-dt3-dt4-dt5;

    dt[i]:=dt6;x3[i]:=x1;

    x1:=x1+1;i:=i+1;dem:=dem+1;

  end;

  dtnn:=dt[1];

  for i:=1 to dem do

  begin

    if (dtnn>dt[i])and(dt[i]<>0) then dtnn:=dt[i];

  end;

  writeln(dtnn:5:1);

  for i:=1 to dem do

  if dtnn=dt[i] then writeln(x3[i]);

  readln;

end.