program max;

uses crt;

var i,n,max:integer;

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

begin

clrscr;

write('nhap n:');readln(n);

for i:=1 to n do

begin

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

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

end;

writeln('gia tri lon nhat trong day tren la: ',max);

readln;

end.

var i,n,max:integer;

a:array[1..200] of 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 a[i] > max then max:=a[i];

writeln('gia tri lon nhat trong day tren la: ',max);

readln;

end.

var i,n,max: integer;

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

begin

readln(n);

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

max:=a[1];

for i:=2 to n do if max<a[i] then max:=a[i];

write(max);

readln

end.

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;

}

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;

}

Var a:array:[1..50] of integer;

i:integer;

s:longint;

Begin

For i:=1 to 50 do

Begin

Write('Nhap so thu ',i,' = ');readln(a[i]);

If a[i] mod 2 <> 0 then

s:=s+a[i];

End;

Write('Tong cac so le la: ',s);

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 

begin

readln(a[i]);

end;

for i:=1 to n do 

  write(a[i]:4);

readln;

t:=0;

for i:=1 to n do 

 t:=t+a[i];

writeln(t/n:4:2);

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.

#include <bits/stdc++.h>

using namespace std;

double a[1000];

int i,n;

int main()

{

cin>>n;

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

for (i=n; i>=1; i--)

if (a[i]>0)

{

cout<<i<<" ";

return 0;

}

cout<<"Khong co so am trong day";

return 0;

}