Program HOC24;

var i,n,l,c: byte;

a: array[1..100] of integer;

begin

write('Nhap N: '); readln(n);

for i:=1 to n do 

begin

write('Nhap so thu ',i,': '); readln(a[i]);

end;

write('Day vua nhap la: ');

for i:=1 to n do write(a[i],' ');

writeln;

c:=0; l:=0;

for i:=1 to n do 

if a[i] mod 2=0 then c=c+1 else l=l+1;

writeln('Day co ',c,' so chan');

writeln('Day co ',l,' so le');

readln

end.

Bài 1

Var s,i:integer;

tb:real;

Begin

Write('Nhap n = ');readln(n);

i:=1;

s:=0;

While i<=n do

Begin

s:=s+i;

i:=i+1;

End;

tb:=s/n;

Writeln('Tong la ',s);

Write('Trung binh la ',tb:10:2);

Readln;

End.

Bài 2

Var i,n,souoc:integer;

Begin

Write('Nhap n = ');readln(n);

i:=1;

While i <= n do

Begin

i:=i + 1;

If n mod i = 0 then souoc:=souoc + 1;

End;

If souoc = 1 then write(n,' la so nguyen to')

Else write(n,' khong la so nguyen to');

Readln;

End.

uses crt;

var a:array[1..100]of integer;   

i,n,t,t1,t2,t3,min,max:integer;   

kt:boolean;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

begin     

write('A[',i,']='); readln(a[i]); 

end;

writeln('Day so ban vua nhap la: ');

for i:=1 to n do 

write(a[i]:4);

writeln;

t:=0;

for i:=1 to n do 

t:=t+a[i];

kt:=true;

for i:=2 to trunc(sqrt(t)) do 

if t mod i=0 then     

begin       

kt:=false;       

break;     

end;

writeln('Tong cua day so la: ',t);

if (kt=true) and (t>1) then writeln(t,' la so nguyen to')

else writeln(t,' khong la so nguyen to');

writeln('Cac so o vi tri le cua day so la: ');

t1:=0;

for i:=1 to n do 

if i mod 2=1 then     

begin       

write(a[i]:4);       

t1:=t1+a[i];     

end;

writeln;

writeln('Tong cac so o vi tri le cua day so la: ',t1);

if trunc(sqrt(t1))=sqrt(t1) then writeln(t1,' la so chinh phuong')

else writeln(t1,' khong la so chinh phuong');

writeln('Cac so o vi tri chan cua day so la: ');

t2:=0;

for i:=1 to n do 

if i mod 2=0 then     

begin       

write(a[i]:4);       

t2:=t2+a[i];     

end;

writeln;

writeln('Tong cac so o vi tri chan cua day so la: ',t2);

t3:=0;

for i:=1 to t2 do 

if t2 mod i=0 then t3:=t3+i;

if t3=t2 then writeln(t2,' la so hoan hao')

else writeln(t2,' khong la so hoan hao');

max:=a[1];

min:=a[1];

for i:=1 to n do 

begin     

if max<a[i] then max:=a[i];     

if min>a[i] then min:=a[i]; 

end;

writeln('So lon nhat cua day la: ',max);

writeln('So nho nhat cua day la: ',min);

writeln('Tong cua so lon nhat va so nho nhat la: ',max+min);

readln;

end.

program max_min;

uses crt;

var i,n:integer;

a:array[1..100]of integer;

begin

clrscr;

write('nhap n:');readln(n);

for i:=1 to n do

begin

write('a[',i,']=');readln(a[i]);

end;

writeln('day vua nhap la:');

for i:=1 to n do

write(a[i]:3);

readln;

end.

uses crt;

var a:array[1..100]of integer;

n,i,t,kt,j,t1,t2,t3,max,min:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

begin

write('A[',i,']='); readln(a[i]);

end;

writeln('Day so ban vua nhap la: ');

for i:=1 to n do 

  write(a[i]:4);

writeln;

t:=0;

for i:=1 to n do 

  t:=t+a[i];

writeln('Tong cua day so vua nhap la: ',t);

kt:=0;

for i:=2 to trunc(sqrt(t)) do 

  if t mod i=0 then

begin

kt:=1;

break;

end;

if (kt=0) and (t>1) then writeln(t,' la so nguyen to');

else writeln(t,' khong la so nguyen to');

t1:=0;

writeln('Cac so o vi tri le cua day la: ');

for i:=1 to n do 

  if i mod 2=1 then 

begin

write(a[i]:4);

t1:=t1+a[i];

end;

writeln;

writeln('Tong cac so o vi tri le la: ',t1);

if trunc(sqrt(t1))=sqrt(t1) then writeln(t1,' la so chinh phuong')

else writeln(t1,' khong la so chinh phuong');

t2:=0;

writeln('Cac so o vi tri chan la: ');

for i:=1 to n do 

  if i mod 2=0 then 

begin

write(a[i]:4);

t2:=t2+a[i];

end;

writeln;

writeln('Tong cac so o vi tri chan la: ',t2);

t3:=0;

for i:=1 to t2 do 

if t2 mod i=0 then t3:=t3+i;

if t3=t2 then writeln(t2,' la so hoan hao')

else writeln(t2,' khong la so hoan hao');

max:=a[1];

min:=a[1];

for i:=1 to n do 

begin

if max<a[i] then max:=a[i];

if min>a[i] then min:=a[i];

end;

writeln('Gia tri lon nhat la: ',max);

writeln('Gia tri nho nhat la: ',min);

writeln('Tong cua hai so lon nhat va nho nhat la: ',max+min);

readln;

end.

cái dong đầu bị lỗi chỗ a[i] á xem lại hộ mình với

uses crt;

var a:array[1..100]of integer;

i,n,t,kt,j:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do

begin

write('A[',i,']='); readln(a[i]);

end;

writeln('Cac so vua nhap la: ');

for i:=1 to n do 

  write(a[i]:4);

writeln;

t:=0;

for i:=1 to n do 

  t:=t+a[i];

writeln('Tong cua day so la: ',t);

kt:=0;

for j:=2 to trunc(sqrt(t)) do 

  if t mod j=0 then 

    begin

kt:=1;

break;

end;

if kt=0 then writeln(t,' la so nguyen to')

else writeln(t,' khong la so nguyen to');

readln;

end.

Cậu ơi sai khúc write('A[',i,']='); readln(a[i]); rồi nó cứ bị sao sao á

uses crt;

var a:array[1..100]of integer;

i,n,t,kt:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do

begin

write('A[',i,']='); readln(a[i]);

end;

writeln('Cac so ban vua nhap la: ');

for i:=1 to n do 

write(a[i]:4);

writeln;

t:=0;

for i:=1 to n do

t:=t+a[i];

writeln('Tong cac so vua nhap la: ',t);

if t>=2 then 

begin

kt:=0;

for i:=2 to trunc(sqrt(t)) do 

  if t mod i=0 then 

begin

kt:=1;

break;

end;

 if kt=0 then writeln(t,' la so nguyen to')

else writeln(t,' khong la so nguyen to');

end

else writeln(t,' khong la so nguyen to');

readln;

end.

program max_min;

uses crt;

var i,n,max,min:integer;

a:array[1..100]of integer;

begin

clrscr;

write('nhap n:');readln(n);

for i:=1 to n do

begin

write('a[',i,']=');readln(a[i]);

end;

writeln('day vua nhap la:');

for i:=1 to n do

write(a[i]:3);

writeln;

max:=a[1];min:=a[1];

for i:=1 to n do

begin

if a[i]>max then max:=a[i];

if a[i]<min then min:=a[i];

end;

writeln('gia tri lon nhat: ',max,' gia tri nho nhat: ',min);

readln;

end.

uses crt;
var a:array[1..1000000] of longint;
      n,i,max,min:longint;
begin
      clrscr;
      write('Nhap so luong phan tu: '); readln(n);
      for i:=1 to n do 
            begin
                  write('Nhap phan tu thu ',i,': '); readln(a[i]);
            end;
      write('Day so vua nhap: ');
      for i:=1 to n do write(a[i],' '); writeln;
      max:=a[1];min:=a[1];
      for i:=2 to n do 
            begin
                  if a[i]>max then max:=a[i];
                  if a[i]<min then min:=a[i];
            end;
      writeln('GTLN: ',max);
      writeln('GTNN: ',min);
      readln;
end.

Uses Crt;
Var A : array [1..1000] of longint;
n, m, d, t, i, S, k : longint;
Begin
//Phan A
        Clrscr;
Writeln(' Phan A ');
                Write(' Ban hay nhap 1 so n bat ky: ');
                Readln(n);
                Write(' Cac so chia het cho ba tu 1 den ',n,' la: ');
                        For i:=1 to n do
                                If (i mod 3) = 0 then Write(' ',i);
//Phan B
Writeln;
Writeln(' Phan B ');
                Write(' Ban hay nhap 1 so m bat ky: ');
                Readln(m);
                        For i:=1 to m do
                                Begin
                                        Write(' Ban hay nhap hang tu thu ',i,': ');
                                        Readln(A[i]);
                                        S:= S+A[i];
                                End;
                Write(' Tong cua day so tren la: ',S);
//Phan C
Writeln;
Writeln(' Phan C ');
                Write(' Ban hay nhap 1 so d bat ky: ');
                Readln(d);
                Write(' Ban hay nhap so K: ');
                Readln(k);
                        For i:=1 to n do
                                Begin
                                        Write(' Ban hay nhap hang tu thu ',i,': ');
                                        Readln(A[i]);
                                        If ((A[i] div k)=1)then t:=t+1;
                                End;
                Write(' Co tat ca ',t,' so giong ',k);
Readln;
End.