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;

}

bạn tham khảo 

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.

var a:array[1..200] of integer;

i,n,dem1,dem2:integer;

begin

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

for i:=1 to n do

begin

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

end;

dem1:=0;

dem2:=0;

for i:=1 to n do

begin

if i = n then write(a[i])

else write(a[i],' ');

if a[i] mod 2 = 0 then dem1:=dem1+1

else dem2:=dem2+1;

end;

writeln('So cac phan tu chan la ',dem1);

write('So cac phan tu le la ',dem2);

readln;

end.

tham khảo

#include <bits/stdc++.h>

using namespace std;

long long n,i,nn,t1,t2,dem1,dem2,a[1000];

int main()

{

cin>>n;

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

nn=a[1];

for (i=1; i<=n; i++) nn=min(nn,a[i]);

cout<<nn<<endl;

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

if (a[i]%2==0) cout<<a[i]<<" ";

cout<<endl;

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

if (a[i]%2!=0) cout<<a[i]<<" ";

cout<<endl;

t1=0;

t2=0;

dem1=0;

dem2=0;

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

{

if (a[i]%2==0)

{

t1+=a[i];

dem1++;

}

else 

{

t2+=a[i];

dem2++;

}

}

cout<<t1<<" "<<dem1<<endl;

cout<<t2<<" "<<dem2;

return 0;

}

uses crt;

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

i,n,min,t1,t2,dem1,dem2:integer;

begin

clrscr;

readln(n);

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

min:=a[1];

for i:=1 to n do if min>a[i] then min:=a[i];

writeln(min);

writeln('Cac so chan la: ');

for i:=1 to n do 

if a[i] mod 2=0 then write(a[i]:4);

writeln;

writeln('Cac so le la: ');

for i:=1 to n do 

  if a[i] mod 2<>0 then write(a[i]:4);

writeln;

t1:=0;

t2:=0;

for i:=1 to n do 

begin

if a[i] mod 2=0 then t1:=t1+a[i]

else t2:=t2+a[i];

end;

writeln(t1,' ',t2);

dem1:=0;

dem2:=0;

for i:=1 to n do 

  begin

if a[i] mod 2=0 then dem1:=dem1+1

else dem2:=dem2+1;

end;

writeln(dem1,' ',dem2);

readln;

end.

Bài 1

Var a:array:[1..99] of integer;

i,n:integer;

s:longint;

Begin

Repeat

Write('n = ');readln(n);

Until (n > 0) and (n < 100);

For i:=1 to n do

Begin

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

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

End;

Write('Cac so vua nhap la: ');

For i:=1 to n do 

Write(a[i]:8);

writeln;

write('Tong cac so chan la ',s);

Readln

End.

Bài 2

Var a:array:[1..99] of integer;

i,n:integer;

s:longint;

Begin

Repeat

Write('n = ');readln(n);

Until (n > 0) and (n < 100);

For i:=1 to n do

Begin

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

if a[i] mod 2 <> 0 then s:=s+a[i];

End;

Write('Cac so vua nhap la: ');

For i:=1 to n do 

Write(a[i]:8);

writeln;

write('Tong cac so le la ',s);

Readln

End.

Câu 1: 

uses crt;

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

i,n:integer;

t:real;

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:4:2);

readln;

end.

Câu 2: 

uses crt;

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

i,n:integer;

t:real;

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:4:2);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long x,n,i,t1,t2,t3;

int main()

{

cin>>n;

t1=0; t2=0; t3=0;

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

{

cin>>x;

t1+=x;

if (x%2==0) t2+=x;

else t3+=x;

}

cout<<t1<<" "<<t2<<" "<<t3;

return 0;

}

Bài 2: 

uses crt;

var x,i,n,dem:integer;

begin

clrscr;

readln(n);

dem:=0;

for i:=1 to n do 

begin

readln(x);

if x mod 2=0 then inc(dem);

end;

writeln(dem);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long b[20],i,n;

int main()

{

cin>>n;

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

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

{

if ((b[i]%2!=0) or (i%2==0)) cout<<b[i]<<" ";

}

return 0;

}

Bài 1: 

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;

for i:=1 to n do 

  if a[i] mod 2<>0 then write(a[i]:4);

readln;

end.

Bài 2: 

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;

for i:=1 to n do

  if a[i] mod 2=0 then write(a[i]:4);

readln;

end.

Bài 3: 

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(t);

readln;

end.