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.

 tách ra từng câu hỏi đi bro

Câu 1: 

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.

2:

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:=1;

for i:=1 to n do 

  t:=t*a[i];

writeln(t);

readln;

end.

uses crt;

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

i,t,t1:integer;

begin

clrscr;

for i:=1 to 10 do 

  begin

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

end;

t:=0;

for i:=1 to 10 do 

if a[i] mod 2<>0 then 

begin

write(a[i]:4);

t:=t+a[i];

end;

writeln;

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

t1:=0;

for i:=1 to 10 do

t1:=t1+a[i];

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

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;

}

uses crt;

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

i,n,dem,max,t,min,dem1:integer;

begin

clrscr;

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

for i:=1 to n do 

 begin

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

end;

dem:=0;

max:=-32000;

for i:=1 to n do 

  begin

if a[i] mod 2=0 then 

begin

dem:=dem+1;

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

end;

if dem=0 then writeln('Trong day khong co so chan')

else begin

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

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

end;

t:=0;

for i:=1 to n do 

  if i mod 2=1 then t:=t+a[i];

writeln('Tong cac so o vi tri le la: ',t);

min:=maxint;

dem1:=0;

for i:=1 to n do 

  if a[i] mod 2<>0 then

begin  

inc(dem1);

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

end;

if dem1=0 then writeln('Trong day khong co so le')

else writeln('So le nho nhat la: ',min);

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;

}

uses crt;

var a:array[1..6]of integer;

i,dem,t:integer;

begin

clrscr;

for i:=1 to 6 do 

  begin

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

end;

dem:=0;

t:=0;

for i:=1 to 6 do 

if a[i]>0 then 

begin

inc(dem);

t:=t+a[i];

end;

writeln('So phan tu duong la: ',dem);

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

readln;

end.

uses crt;

const fo='data.txt'

var f1:text;

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

i,n:integer;

begin

clrscr;

assign(f1,fo); rewrite(f1);

n:=10;

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

for i:=1 to n do write(f1,a[i]:4);

close(f1);

readln;

end.