uses crt;

var i,n,k:integer;

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

kt:boolean;

begin

clrscr;

readln(n);

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

for i:=1 to n do write(a[i]:4);

writeln;

readln(k);

kt:=false;

for i:=1 to n do 

  if a[i]=k then kt:=true;

if (kt=true) then write('Co k trong mang')

else writeln('Khong co k trong mang');

readln;

end.

Đề thiếu rồi bạn

uses crt;

var C : array [1 .. 50] of integer;

i, n : integer;

begin

clrscr;

write('Nhap so phan tu : '); readln(n);

write('Nhap day gom ', n ,' so : ');

for i := 1 to n do read(C[i]);

write('Cac gia tri chan : ');

for i := 1 to n do

if C[i] mod 2 = 0 then write(C[i], ' ');

readln

end.

#include <bits/stdc++.h>

using namespace std;

long long n,i,x,dem,a;

int main()

{

cin>>n>>x;

dem=0;

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

{

cin>>a;

if (a==x) dem++;

}

cout<<dem;

return 0;

}

program mang;
uses crt;
var n,i,chan, le,max,min: Integer;
a:array[1..100] of integer;
begin
write('nhap so phan tu ');read(n);
for i:=1 to n do
begin
write('nhap so thu ',i); readln(a[i]);
end;
max:=a[1]; min:=a[1]; chan:=0;le:=0;
for i:=1to n do
begin
if a[i] > max then max:=a[i];
if a[i] < min then min:=a[i];
if a[i] mod 2 = 0 then chan:=chan+1
else le:=le+1;
end;
writeln('max la: ',max);
writeln('min la: ',min);
writeln('so phan tu chan: ',chan);
writeln('so phan tu le: ',le);
readln
end.

Program HOC24;

var a: array[1..1000] of integer;

i,n,d: integer;

tbc: real;

t: longint;

begin

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

for i:=1 to n do 

begin

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

end;

t:=0;

for i:=1 to n do t:=t+a[i];

writeln('Tong cac phan tu cua mang la: ',t);

d:=0; 

for i:=1 to n do if a[i]=5 then d:=d+1;

writeln('Co ',d,' phan tu co gia tri bang 5');

tbc:=0;

for i:=1 to n do if a[i] mod 2=1 then tbc:=tbc+a[i];

tbc:=tbc/n;

writeln('Trung binh cong cac phan tu le la: ',tbc:6:2);

write('Mang sau khi thay la: ');

for i:=1 to n do if a[i]=0 then a[i]:=10;

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

readln

end.

uses crt;

var a:array[1..10]of longint;

n,i,t,dem,dem1,dem2,t1:integer;

begin

clrscr;

readln(n);

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

for i:=1 to n do write(a[i]:4);

writeln;

t:=0;

for i:=1 to n do t:=t+a[i];

writeln(t);

t1:=0;

dem1:=0;

dem2:=0;

for i:=1 to n do 

  begin

if a[i]>0 then dem1:=dem+1;

if a[i] mod 2=0 then 

begin

dem2:=dem2+1;

t1:=t1+a[i];

end;

end;

writeln(dem1);

writeln(t1/dem2:4:2);

readln;

end.

uses crt;

var a:array[1..10]of longint;

n,i,t,dem,dem1,dem2,t1:integer;

begin

clrscr;

readln(n);

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

for i:=1 to n do write(a[i]:4);

writeln;

t:=0;

for i:=1 to n do t:=t+a[i];

writeln(t);

t1:=0;

dem1:=0;

dem2:=0;

for i:=1 to n do 

  begin

if a[i]>0 then dem1:=dem+1;

if a[i] mod 2=0 then 

begin

dem2:=dem2+1;

t1:=t1+a[i];

end;

end;

writeln(dem1);

writeln(t1/dem2:4:2);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

int A[500],n,i,dem,dem1;

int main()

{

cin>>n;

for (int i=1; i<=n; i++) cin>>A[i];

for (int i=n; i>=1; i--) cout<<A[i]<<" ";

cout<<endl;

dem=0;

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

if (A[i]<10) dem++;

cout<<dem<<endl;

dem1=0;

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

if (A[i]>1)

{

bool kt=true;

for (int j=2; j*j<=A[i]; j++)

if (A[i]%j==0) kt=false;

if (kt==true) dem1++;

}

cout<<dem1;

return 0;

}