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;

}

#include <iostream>
using namespace std;
int main()
{
    int a[100][100],i,j,m,n;
    cout<<"Nhap so dong cua mang:"; cin>>n;
    cout<<"Nhap so cot cua mang:"; cin>>m;
    for (i=1; i<=n; i++)
        for (j=1; j<=m; j++)
    {
        cout<<"A["<<i<<","<<j<<"]="; cin>>a[i][j];
    }
    for (i=1; i<=n; i++)
    {
        for (j=1; j<=m; j++)
            cout<<a[i][j]<<" ";
        cout<<endl;
    }
    return 0;
}

uses crt;

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

i,n:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

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

for i:=1 to n do 

  write(a[i]:4);

writeln;

writeln('Day cac so chan la: ');

for i:=1 to n do 

  if a[i] mod 2=0 then write(a[i]:4);

readln;

end.

#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;

}

phần đọc tự viết

 for i:=j to n do 

 b[i+1]:=a[i];

for i:=1 to j do write(g,a[i]);

write(g,M);

for i:=j+1 to n+1 do 

 write(g,b[i]);

uses crt;

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

    i,n,m,k,tam:integer;

begin

clrscr;

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

for i:=1 to n do

  begin

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

  end;

for i:=1 to n do

  write(a[i]:6);

writeln;

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

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

for i:=1 to k do

 b[i]:=a[i];

for i:=k+2 to n+1 do

  b[i]:=a[i-1];

b[k+1]:=m;

for i:=1 to n+1 do

  write(b[i]:6);

readln;

end.

1.

Program Tim_Max; 
Var A:Array[1..255] of Integer; 
i, n, Max: Integer; 
Begin 
Write('Nhap n: '); Readln(n); 
For i := 1 to n do 
Begin 
Write('Nhap phan tu A[',i,'] = '); Readln(A[i]); 
End; 
Max := A[1]; 
For i := 2 to n do if A[i]>Max then Max := A[i]; 
Write('Phan tu lon nhat la :',Max); 
Readln 
End.

2.

Uses Crt;
Type Mang = ARRAY[1..50] Of Integer;
Var A:Mang;
N,i,j,Tam:Integer;
Begin
{Nhập mảng}
Write('Nhap N='); Readln(N);
For i:=1 To N Do
Begin
Write('A[',i,']='); Readln(A[i]);
End;
{Sắp xếp}
For i:=1 To N-1 Do
For j:=i+1 To N Do
If A[i]>A[j] Then
Begin
Tam:=A[i]; A[i]:=A[j]; A[j]:=Tam;
End;
{In kết quả ra màn hình}
Writeln('Ket qua sau khi sap xep:');
For i:=1 To N Do Write(A[i]:5);
Readln;
End.

3.

Uses Crt;
Type Mang = ARRAY[1..50] Of Integer;
Var A:Mang;
N,i,x:Integer;

Function TimKiem(x, N: Integer; A:Mang):Integer;
Var i:Integer;
Begin
I:=1;
While (I <= N) and (X<>A[I]) do I:=I+1; {{{{tại sao lại phải làm như bước này, tại sao lại lấy i đi so sánh với N}}}}
If I <= N Then Timkiem:=I Else Timkiem:=0;
End;

Begin
{Nhập mảng}
Write(‘Nhap N=’); Readln(N);
For i:=1 To N Do
Begin
Write(‘A[‘,i,’]=’); Readln(A[i]);
End;
Write(‘Nhap X=’); Readln(x);
{Kết quả tìm kiếm}
If TimKiem(X,N,A)<>0 Then 
Writeln(‘Vi tri cua X trong mang la:’, TimKiem(X,N,A))
Else Writeln(‘X khong co trong mang.’);
Readln;
End.

câu 1 tham khảo cái này nhé

Uses Crt;

Type Mang = ARRAY[1..50] Of Integer;

Var A:Mang;

    N,i,Max:Integer;

Begin

    Write('Nhap N='); Readln(N);

    For i:=1 To N Do

        Begin

            Write('A[',i,']='); Readln(A[i]);

        End;

    Max:=A[1];

    For i:=2 To N Do

    If Max<A[i] Then Max:=A[i];

    Writeln('Phan tu lon nhat cua mang:', Max);

    Readln;

End.

Câu 1: 

uses crt;

var a:array[1..100]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 

  t:=t+a[i];

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

readln;

end.

Câu 2: 

uses crt;

var a:array[1..100]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('Tong cac so chan la: ',t);

readln;

end.