program bt;
uses crt;
var i, s, sa, sd, sc, sl, da, dd, dc, dl : integer;
a : array[1..50] of integer;
begin
        clrscr;
        for i:=1 to 10 do begin
         write('Nhap phan tu thu ',i,': '); readln(a[i]);
        end;
        write('Day so vua nhap la: ');
        for i:=1 to 10 do write(a[i],', ');
        writeln;
        s := 0; sa := 0; sd := 0; sc := 0; sl := 0; da := 0; dd := 0; dc := 0; dl := 0;
        for i:=1 to 10 do begin
         s := s + a[i];
         if (a[i] > 0) then begin sd := sd + a[i]; dd := dd + 1 end;
         if (a[i] < 0) then begin sa := sa + a[i]; da := da + 1 end;
         if (a[i] mod 2 = 0) then begin sc := sc + a[i]; dc := dc + 1; end
         else begin sl := sl + a[i]; dl := dl + 1 end;
        end;
        writeln('Tong cac phan tu trong mang la ',s);
        writeln('Trung binh cong cac phan tu trong mang la ',s/10);
        writeln('Tong cac so am la ',sa);
        writeln('Tong cac so duong la ',sd);
        writeln('Tong cac so chan la ',sc);
        writeln('Tong cac so le la ',sl);
        writeln('So cac so am la ', da);
        writeln('So cac so duong la ', dd);
        writeln('So cac so chan la ', dc);
        writeln('So cac so le la ', dl);
        readln
end.

#include <bits/stdc++.h>

using namespace std;

double b[100],x,ln,t;

int i,n,dem;

int main()

{

cin>>n;

ln=-1e10;

for (i=1; i<=n; i++)

{

cin>>b[i];

ln=max(ln,b[i]);

}

for (i=1; i<=n; i++)

cout<<b[i]<<" ";

cout<<endl;

cout<<ln<<endl;

t=0;

dem=0;

for (i=1; i<=n; i++) 

if (a[i]>x) 

{

t=t+a[i];

dem++;

}

cout<<fixed<<setprecision(2)<<t/(dem*1.0);

return 0;

}

Program HOC24;

var d,i,n: integer;

t: real;

begin

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

for i:=1 to n do 

begin

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

end;

d:=0; t:=0;

for i:=1 to n do

if a[i] mod 2=0 then 

begin

d:=d+1;

t:=t+a[i];

end;

t:=t/d;

writeln('Co ',d,' so chan trong mang');

writeln('Trung binh cong cac phan tu chan la: ',t:2:5);

write('Cac phan tu trong day theo chieu doc: ');

for i:=1 to n do writeln(a[i]);

readln

end.

Bai 2:

uses crt;

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

i,n,t,nn:integer;

begin

clrscr;

readln(n);

for i:=1 to n do readln(a[i]);

nn:=a[1];

for i:=1 to n do

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

write(nn);

readln;

end.

N=int(input(‘n=’))

A=[0]*n

For I in range(0,n):

A=int(input(a[‘+str(i+1)+’]=’))

S=s+a[i]

S₁ =s/n

Print(s₁)

Câu 1:

program mangsonguyen;

var

     a: array[1..100] of integer;

     i, n: integer;

begin

     writeln('Nhap so phan tu trong mang: ');

     readln(n);

     writeln('Nhap cac phan tu cua mang: ');

     for i := 1 to n do

          readln(a[i]);

     writeln('Mang vua nhap la:');

     for i := 1 to n do

          write(a[i], ' ');

end.

Câu 2: 

program trungbinhcong;

var

     a: array[1..100] of integer;

     i, n, k, sum: integer;

     avg: real;

begin

     writeln('Nhap so phan tu trong mang: ');

     readln(n);

     writeln('Nhap cac phan tu cua mang: ');

     for i := 1 to n do

          readln(a[i]);

     writeln('Nhap so k: ');

     readln(k);

     sum := 0;

     for i := 1 to n do

     begin

          if a[i] <= k then

               sum := sum + a[i];

     end;

     if sum > 0 then

     begin

          avg := sum / n;

          writeln('Trung binh cong cac phan tu co gia tri <= ', k, ' la: ', avg:0:2);

     end

     else

     begin

          writeln('Khong co phan tu nao co gia tri <= ', k);

     end;

end.

Câu 3: 

program DemSoNguyenTo;

var

     a: array [1..100] of integer;

     i, j, n, count: integer;

     laSoNguyenTo: boolean;

begin

     write('Nhap so phan tu cua mang: ');

     readln(n);

     write('Nhap cac phan tu cua mang: ');

     for i := 1 to n do

          readln(a[i]);

     count := 0;

     writeln('Cac so nguyen to trong mang la: ');

     for i := 1 to n do

     begin

          laSoNguyenTo := true;

          for j := 2 to (a[i] div 2) do

          begin

               if (a[i] mod j = 0) then

               begin

                    laSoNguyenTo := false;

                    break;

               end;

          end;

          if laSoNguyenTo and (a[i] > 1) then

          begin

               writeln(a[i]);

               count := count + 1;

          end;

     end;

     writeln('Tong so cac so nguyen to la: ', count);

     readln;

end.

uses crt;

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

i,n,t:integer;

s:real;

begin

clrscr;

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

for i:=1 to n do 

begin

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

end;

s:=1;

for i:=1 to n do 

  s:=s*a[i];

writeln('Tich la: ',s:0:0);

t:=0;

for i:=1 to n do 

  t:=t+a[i];

writeln('Trung binh la: ',t/n:4:2);

readln;

end.