Bài 1:

#include <bits/stdc++.h>

using namespace std;

long long x,n,i,t;

int main()

{

cin>>n;

t=0;

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

{

cin>>x;

if ((x<0) and (x%2!=0)) t=t+x;

}

cout<<t;

return 0;

}

# Nhap mang

arr = [ ]

for i in range(10):

     arr.append(int(input('Nhap phan tu: ')))

# Tinh va xuat ra tong cac phan tu le trong mang tong_cac_phan_tu_le = 0

for x in arr:

     if x % 2 != 0:

          tong_cac_phan_tu_le += x

print('Tong cac phan tu le trong mang la:', tong_cac_phan_tu_le)

# Nen va xuat ra ngoai man hinh so phan tu duong trong mang so_phan_tu_duong = 0

for x in arr:

     if x > 0:

          so_phan_tu_duong += 1

print('So phan tu duong trong mang la:', so_phan_tu_duong)

# Tinh va xuat ra man hinh trung binh cong cac phan tu trong mang tong_phan_tu = 0

for x in arr:

          tong_phan_tu += x

trung_binh_cong = tong_phan_tu / len(arr)

print('Trung binh cong cac phan tu trong mang la:',trung_binh_cong)

# Tim va xuat ra man hinh gia tri va vi tri cua cac phan tu nho nhat trong mang

min_phan_tu = arr[0]

vi_tri_min_phan_tu = 0

for i in range(1, len(arr)):

     if min_phan_tu > arr[i]:

          min_phan_tu = arr[i]

           vi_tri_min_phan_tu = i

print('Gia tri cua phan tu nho nhat trong mang la:', min_phan_tu)

print('Vi tri cua phan tu nho nhat trong mang la:', vi_tri_min_phan_tu)

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.

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..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. 

#include <bits/stdc++.h>

using namespace std;

long long x,n,i,t;

int main()

{

cin>>n;

t=0;

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

{

cin>>x;

if (x%2!=0) t+=x;

}

cout<<t;

return 0;

}

các bạn ơi chỉ mình với