bt bạn

Rảnh quá ,không giống đâu

nhìn mặc áo hình như trò chơi con mực đúng hông đấy là trò giết người hả

Tl :

Khong duoc viet lung tung tren dien dang

~ H T ~

quá dễ

bài 1:

uses crt;
var a,b:integer;
begin
clrscr;
write('a='); readln(a);
write('b='); readln(b);
if a=0 then
if b=0 then writeln('phuong trinh co vo so nghiem')
else writeln('phuong trinh vo nghiem')
else writeln('phuong trinh co nghiem x=',-b/a:4:2);
readln;
end.

bài 2:

uses crt;
var x,y,a,b,ucln:integer;
{---------------------------------------------------------}
procedure nhap(var n:integer);
begin
write('nhap mot so nguyen bat ky='); readln(n);
end;
{---------------------------------------------------------}
procedure rutgon(var a,b:integer);
var x,y,ucln:integer;
begin
x:=a;
y:=b;
while x<>y do
begin
if x>y then x:=x-y
else y:=y-x;
end;
ucln:=x;
if ucln<>1 then
begin
a:=a div ucln;
b:=b div ucln;
writeln('phan so toi gian la: ',a,'/',b);
end
else writeln('phan so toi gian la: ',a,'/',b);
end;
{----------------------------------------------------------}
begin
clrscr;
nhap(a);
nhap(b);
rutgon(a,b);
readln;
end.

rút ko kịp

thk con chet r ak

Bài 1:

program pstg;
uses crt;
var a,b,i,u : integer;
f : text;
BEGIN
clrscr;
assign(f,'PSTG.INP');
reset(f);
read(f, a);
read(f, b);
u:=1;
for i:= 1 to a do if ((a mod i)=0) and ((b mod i)=0) and (i>u) then u:=i;
a:= a div u;
b:= b div u;
assign(f,'PSTG.OUT');
rewrite(f);
write(f, a,' ',b);
close(f);
END.

bài 4 dễ ẹt à

uses crt;
const fi='quediem.inp';
fo='quediem.out';
var i,m,n,d,x,j,csc:longint;
a,b:array[1..1000]of integer;
f1,f2:text;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
{-------------------------tim-so-lon-nhat--------------------------}
write(f2,'so lon nhat la: ');
m:=n;
if m mod 2=0 then
begin
for i:=1 to n div 2 do
write(f2,'1');
end
else begin
write(f2,'7');
for i:=2 to n div 2 do
write(f2,'1');
end;
{----------------------------tim-so-nho-nhat------------------------}
writeln(f2);
a[1]:=2; b[1]:=1;
a[2]:=5; b[2]:=2;
a[3]:=4; b[3]:=4;
a[4]:=6; b[4]:=6;
a[5]:=3; b[5]:=7;
a[6]:=7; b[6]:=8;
d:=(n div 7)+1;
if n mod 7=0 then d:=d-1;
if d=1 then begin
case n of
2:write(f2,'so nho nhat la: ',1);
3:write(f2,'so nho nhat la: ',7);
4:write(f2,'so nho nhat la: ',4);
5:write(f2,'so nho nhat la: ',2);
6:write(f2,'so nho nhat la: ',0);
7:write(f2,'so nho nhat la: ',8);
end;
end;
if d>1 then
begin
write(f2,'so nho nhat la: ');
for i:=1 to d do
if i=1 then begin
b[4]:=6;
for j:=1 to 6 do
begin
x:=n;
x:=x-a[j];
csc:=x div 7+1;
if x mod 7=0 then csc:=csc-1;
if csc=d-i then begin
write(f2,b[j]);
n:=x;
break;
end;
end;
end
else begin
a[1]:=6; b[1]:=0;
a[2]:=2; b[2]:=1;
a[3]:=5; b[3]:=2;
a[4]:=4; b[4]:=4;
a[5]:=3; b[5]:=7;
a[6]:=7; b[6]:=8;
for j:=1 to 6 do
begin
x:=n;
x:=x-a[j];
csc:=(x div 7)+1;
if x mod 7=0 then csc:=csc-1;
if csc=d-i then begin
write(f2,b[j]);
n:=x;
break;
end;
end;
end;
end;
close(f1);
close(f2);
readln;
end.

program zoo;
var
i,n,k,d:integer;
a:array[1..32000] of integer;
function hello(x,y:integer):boolean;
begin
hello:=false;
if x mod y = 0 then hello := true
end;
begin
write(' nhap n: '); readln(n);
for i:= 1 to n do
begin
write(' nhap a[',i,'] = '); readln(a[i]);
end;
write(' nhap k = '); readln(k);

d:=0;
for i:= 1 to n do
if hello(a[i],k) = true then d:=d+1;
write(' so luong so chia het cho k la : ',d);
readln;
end.

const fi='k.inp';

fo='k.out';

var

i,n,k,d:integer;
a:Array[1..32000] of integer;

begin

assign(f,fi);

reset(f);

readln(f,n);

for i:= 1 to n do

read(f,a[i]);

readln(f);

read(f,k);

close(f);

assign(f,fO);

rewrite(f);

d:=0;

for i:= 1 to n do
if a[i] mod k = 0 then inc(d);

write(f,' co ',d,'so chia het cho',k);

close(f);

end.