Viết chương trình nhập mảng gồm n phần tử kiểu nguyên (n <= 1000). In ra các số chẵn và chỉ số của nó
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
#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;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
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;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i,dem1,dem2;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
dem1=0;
dem2=0;
for (i=1; i<=n; i++)
{
if (a[i]%2==0) dem1++;
else dem2++;
}
cout<<dem1<<" "<<dem2;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
Câu 1:
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.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var n,i,chan,tonchan:integer;
a:array[1..100] of integer;
begin
write('nhap n '); readln(n);
for i:=1 to n do
begin
write('a[i]='); readln(a[i]);
end;
writeln("in cac phan tu trong mang");
for i:=1 to n do
begin
writeln(a[i]);
end;
writeln("in cac phan tu chan");
chan:=0;
for i:=1 to n do
if n mod 2=0 then begin writeln(a[i]); chan:=chan+1; end;
write('tong cac phan tu chan ',chan);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
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.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Cac phan tu chan la: ');
for i:=1 to n do
if a[i] mod 2=0 then write(a[i]:4);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
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;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
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.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++)
if (a[i]%2==0) cout<<a[i]<<" o vi tri thu "<<i<<endl;
return 0;
}