#include <bits/stdc++.h>

using namespace std;

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

int main()

{

cin>>n;

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

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

cout<<endl;

dem=0;

t=0;

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

if (a[i]>0)

{

dem++;

t=t+sqrt(a[i]);

}

cout<<t;

return 0;

}

bạn tham khảo 

uses crt;

var a:array[1..200]of integer;

i,n,t:integer;

begin

clrscr;

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 

 if a[i] mod 2=0 then t:=t+a[i];

writeln(t);

readln;

end.

var a:array[1..200] of integer;

i,n,dem1,dem2:integer;

begin

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

for i:=1 to n do

begin

write('Nhap phan tu thu ',i,' = ');readln(a[i]);

end;

dem1:=0;

dem2:=0;

for i:=1 to n do

begin

if i = n then write(a[i])

else write(a[i],' ');

if a[i] mod 2 = 0 then dem1:=dem1+1

else dem2:=dem2+1;

end;

writeln('So cac phan tu chan la ',dem1);

write('So cac phan tu le la ',dem2);

readln;

end.

Bài 1:program sothuc;

uses crt;

var a:array[1..10] of real;s,i,j:real;

begin

s:=0;

for i:=1 to 10 do begin writeln('A[',i,']=');readln(a[i]); end;

for i:=1 to 10 do if a[i]<0 then

for j:=1 to 10 do

begin a[j]:=sqr(a[i]); s:=s+a[j]; end;

writeln('tong binh phuong cac so am la: ',s:2:2); readln;

end. (Khi nào mình kiểm tra chạy lại trên phần mềm rồi sửa lại nếu sai nhé)

Bài 2: 

program soduong;

uses crt;

var a:array[1..100] of integer;s,i,n:integer;

begin

clrscr;

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

for i:=1 to n do begin

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

if a[i] mod 2 = 0 then s:=s+a[i] end;

writeln('tong so duong trong day la',s:2:0);readln

end.

Bài 3: các số dương mà là số lẻ là sao thế bạn????

uses crt;

var a:array[1..200]of integer;

n,i,k,t,t1:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

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

t:=0;

for i:=1 to n do 

  if a[i] mod 2<>0 then t:=t+a[i];

t1:=0;

for i:=1 to n do 

  if a[i] mod k=0 then t1:=t1+a[i];

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

writeln('Tong cac phan tu la boi cua ',k,' la: ',t1);

readln;

end.

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;

}

Theo C++ nhé bạn

Codeblacks 

uses crt;

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

i,n,dem:integer;

begin

clrscr;

for i:=1 to 10 do 

  begin

repeat

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

until a[i]>0;

end;

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

for i:=1 to 10 do 

  write(a[i]:4);

dem:=0;

for i:=1 to n do 

  if a[i] mod 2=0 then inc(dem);

writeln;

writeln('So luong so chan la: ',dem);

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.

B