Bài 11: Kiểu mảng

uses crt;

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

i,n,dem:integer;

begin

clrscr;

readln(n,k);

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

dem:=0;

for i:=1 to n do

if a[i]<0 then inc(dem);

write(dem);

readln;

end.

var A:

     array[1..n] of integer;

     i, j, n: integer;

begin

     write('Nhap so phan tu cua mang: ');

     readln(n);

     for i := 1 to n do

     begin

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

          readln(A[i]);

     end;

     for i := 1 to n - 1 do

         for j := i+1 to n do

            if (A[i] mod 2 = 0) and (A[j] mod 2 = 0) and (A[i] < A[j]) or (A[i] mod 2 = 1) and (A[j] mod 2 = 1) and (A[i] > A[j]) then

            begin

                swap(A[i], A[j]);

            end;

     writeln('Mang da sap xep la: ');

      for i := 1 to n do

         writeln(A[i]);

end.

# 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)

uses crt;

var x,i,t:integer;

begin

clrscr;

t:=0;

for i:=1 to 20 do

begin

readln(x);

if x mod 2<>0 then t:=t+x;

end;

write(t);

readln;

end.

uses crt;

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

i,n,t:integer;

begin

clrscr;

readln(n);

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

t:=0;

for i:=1 to n do 

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

writeln(t);

for i:=1 to n do

if i mod 2=1 then write(a[i]:4);

readln;

end.

Bai 2:

uses crt;

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

i,n,t,nn:integer;

begin

clrscr;

readln(n);

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

nn:=a[1];

for i:=1 to n do

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

write(nn);

readln;

end.

Bài 1:

Program HOC24;

var i,n,d : byte;

t: integer;

begin

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

for i:=1 to n do 

begin

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

end;

for i:=1 to n do if (a[i] mod 3=0) and (a[i] mod 5=0) then

begin

d:=d+1;

t:=t+a[i];

end;

writeln('Co ',d,' phan tu la boi cua 3 va 5');

write('Tong la: ',t);

readln

end.

Bài 2:

Program HOC24;

var i,n,k : byte;

begin

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

for i:=1 to n do 

begin

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

end;

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

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

writeln('Co ',d,' phan tu bang ',k);

Write('Cac chi so do la: ');

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

readln

end.

    giúp em 4 bài này vs ạ