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

      i,n,S,d:byte;

 begin

  write(' n = '); readln(n);

  for i:=1 to n do begin

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

                           readln(A[i]);

                          end;

d:=0; S:=0;

for i:=1 to n do if A[i] mod 2 = 0 then begin

                                                          d:=d+1;

                                                           S:=S+A[i];

                                                           end;

write('Dãy có ',d,' phần tử là số chẵn và tổng của chúng là : S = ',S);

readln

end.

var B:array[1..32000] of integer;

i,tong1,tong2,n:integer;

begin

writeln('nhap do dai cua day so:'); readln(n);

for i:=1 to n do

begin

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

end;

tong1:=0; tong2:=0;

for i:=1 to n do

begin

if b[i] mod 2=0 then tong1:=tong1+b[i];

if b[i] mod 2=1 then tong2:=tong2+b[i];

end;

writeln('tong so chan la:',tong1);

writeln('tong so le la:',tong2);

readln

end.

Lời giải :

program hotrotinhoc ;

var B: array[1..32000] of integer ;

i,n,tong1,tong2 : integer ;

begin

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

writeln('Nhap gia tri cua cac phan tu trong mang B');

for i:= 1 to n do

begin

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

end;

tong1:=0 ; tong2:=0;

for i:= 1 to n do

begin

if a[i] mod 2 <> 0 then tong1:=tong1+a[i] ;

if a[i] mod 2 <> 1 then tong2:=tong2+a[i];

end;

writeln('Tong cac so le la :',tong1);

write('Tong cac so chan la:',tong2);

readln

end.

Program HOC24;

var a: array[1..50] of integer;

i,n: byte;

t: longint;

begin

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

for i:=1 to n do

begin

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

end;

write('Cac phan tu chan trong mang la: ');

for i:=1 to n do

if a[i] mod 2=0 then

begin

write(a[i],' ');

t:=t+a[i];

end;

writeln;

write('Tong cac phan tu chan trong day la: ',t);

readln

end.

Program HOC24;

var i,n: byte;

t: longint:

a: array[1..50] of integer;

begin

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

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

t:=0;

write('Cac phan tu chan co trong mang la: ');

for i:=1 to n do

if a[i] mod 2=0 then

begin

write(a[i],' ');

t:=t+a[i];

end;

writeln;

write('Tong cac phan tu chan do la: ',t);

readln

end.

#include <bits/stdc++.h>

using namespace std;

long long a[1000],i,n,t;

int main()

{

cin>>n;

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

for (i=1; i<=n; i++) cout<<a[i]<<" ";

cout<<endl;

t=0;

for (i=1; i<=n; i++) t+=a[i];

cout<<t;

return 0;

}

program im_14424;

uses crt;

var A: array[1..9999999] of interger;

S,P : integer;

i,n: byte;

begin

clrscr;

S:=0;

P:=0;

for i:=1 to n do

begin

write('Nhap vao phan tu thu: ',i,);

readln(A[i]);

S:=S+A[i]

P:=P*A[i]

end;

writeln(S);

write(P);

readln;

end.

uses crt;

var n,i,chan,tonchan:integer;

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

begin

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

for i:=1 to n do

begin

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

end;

writeln("in cac phan tu trong mang");

for i:=1 to n do

begin

writeln(a[i]);

end;

writeln("in cac phan tu chan");

chan:=0;

for i:=1 to n do

if n mod 2=0 then begin writeln(a[i]); chan:=chan+1; end;

write('tong cac phan tu chan ',chan);

readln;

end.

Câu 1: 

a) var a:array[1..50]of real;

b) a[5]:=8;

c) for i:=1 to 50 do  

begin

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

end;

for i:=1 to 50 do 

 write(a[i]:4);

Câu 2: 

uses crt;

var s,i:integer;

begin

clrscr;

s:=0;

for i:=1 to 10 do 

  s:=s+i;

writeln(s);

readln;

end.

Câu 3: 

b) a[2]=37

a[9]=25

6:

#include <bits/stdc++.h>

using namespace std;

int main()

{

int n,A[100],i,dem=0;

cin>>n;

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

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

if (A[i]%2!=0) dem++;

cout<<dem;

return 0;

}

5:

#include <bits/stdc++.h>

using namespace std;

int main()

{

long long n,nn=1e6,A[1000];

cin>>n;

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

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

nn=min(nn,A[i]);

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

if (nn==A[i]) cout<<i<<" ";

return 0;

}