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a:
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[10000];
int main()
{
cin>>n;
for (i=1;i<=n; i++)
cin>>a[i];
for (i=1; i<=n; i++)
cout<<a[i]<<" ";
return 0;
}
uses crt;
var b,a:array[1..100]of integer;
i,n,dem,dem1,dem2,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('B[',i,']='); readln(b[i]);
end;
dem:=0;
dem1:=0;
for i:=1 to n do
begin
if b[i]<0 then inc(dem);
if b[i]>0 then inc(dem1);
end;
writeln('So phan tu am la: ',dem);
writeln('So phan tu duong la: ',dem1);
t:=0;
for i:=1 to n do
if b[i]<>0 then t:=t+b[i];
writeln('Trung binh cac phan tu khac 0 trong mang la: ',t/(dem+dem1):4:2);
min:=b[1];
for i:=1 to n do
if min>b[i] then min:=b[i];
dem2:=0;
for i:=1 to n do
if min=b[i] then
begin
inc(dem2);
a[dem2]:=i;
end;
writeln('Gia tri nho nhat la: ',min);
writeln('Chi so la: ');
for i:=1 to dem2 do
write(a[i]:4);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[6],i,t,t1;
int main()
{
t=0;
for (i=1; i<=n; i++)
{
cin>>a[i];
if (a[i]%2==0) t=t+a[i];
}
t1=0;
for (i=1; i<=n; i++)
if ((a[i]%2!=0) and (i%2==0)) t1=t1+a[i];
cout<<t<<endl;
cout<<t1;
return 0;
}
uses crt;
var a:array[1..250]of integer;
i,n,dem,t,t1,t2,t3,t4:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until (0<n) and (n<=250);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until (0<a[i]) and (a[i]<=500);
end;
dem:=0;
for i:=1 to n do
if a[i] mod 2=1 then inc(dem);
writeln('So phan tu co gia tri le la: ',dem);
t:=0;
for i:=1 to n do
if i mod 2=0 then t:=t+a[i];
writeln('Tong cac phan tu co chi so chan la: ',t);
t1:=0;
for i:=1 to n do
if i mod 2=1 then t1:=t1+a[i];
writeln('Tong cac phan tu co chi so le la: ',t1);
t2:=0;
for i:=1 to n do
if (i mod 2=0) and (a[i] mod 2=0) then t2:=t2+a[i];
writeln('Tong cac phan tu chan co chi so chan la: ',t2);
t3:=0;
for i:=1 to n do
if (i mod 2=1) and (a[i] mod 2=1) then t3:=t3+a[i];
writeln('Tong cac phan tu co chi so le la: ',t3);
t4:=0;
for i:=1 to n do
t4:=t4+a[i];
writeln('Trung binh cong cac so trong day la: ',t4/n:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem,t;
int main()
{
cin>>n;
dem=0;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0) t+=x;
if (x%3==0) dem++;
}
cout<<"Tong cac so chan la: "<<t<<endl;
cout<<"So luong phan tu chia het cho 3 la: "<<dem;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int A[500],n,i,dem,dem1;
int main()
{
cin>>n;
for (int i=1; i<=n; i++) cin>>A[i];
for (int i=n; i>=1; i--) cout<<A[i]<<" ";
cout<<endl;
dem=0;
for (int i=1; i<=n; i++)
if (A[i]<10) dem++;
cout<<dem<<endl;
dem1=0;
for (int i=1; i<=n; i++)
if (A[i]>1)
{
bool kt=true;
for (int j=2; j*j<=A[i]; j++)
if (A[i]%j==0) kt=false;
if (kt==true) dem1++;
}
cout<<dem1;
return 0;
}
Var i,k,n,bk,tong: integer;
a: array[1..1000] of integer;
Begin
write('Nhap K: '); readln(k);
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
{câu a}
For i:=1 to n do
if a[i]=k then bk:=bk+1;
writeln('Co so phan tu bang k la:',k);
{câu b}
For i:=1 to n do
if a[i]=k then
begin
write(i,' ');
tong:=tong+a[i];
end;
write('. Tong la:',tong);
readln
end.
uses crt;
var k,n,tong,d,i:longint;a:array[1..1000]of longint;
begin
clrscr;
write('n=');readln(n);
write('k=');readln(k);
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
end;
d:=0;
for i:=1 to n do if(a[i]=k)then inc(d);
writeln('so phan tu bang voi:',k,' la:',d);
write('cac so co vi tri bang voi:',k,' la:');
tong:=0;
for i:=1 to n do if(a[i]=k)then
begin
write(i,' ');
tong:=tong+a[i];
end;
write('tong cua cac so bang voi:',k,' la:',tong);
readln;
end.
A = [ ]
N = int(input("Nhập số phần tử của mảng: "))
for i in range(N):
A.append(int(input("Nhập phần tử thứ %d: " % (i+1))))
count = 0
for i in range(N):
if A[i] == 8:
count += 1
print("Số lượng phần tử có giá trị bằng 8 là: ", count)
Program HOC24;
var d,i,n,x: integer;
t: longint;
a: array[1..32000] of integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
write('Chi so cac phan tu co gia tri bang 0 la: ');
for i:=1 to n do if a[i]=0 then write(i,' ');
writeln;
d:=0; t:=0;
write('Nhap X: '); readln(x);
for i:=1 to n do if a[i]>x then d:=d+1;
writeln('Co ',d,' phan tu co gia tri lon hon ',x);
if n=20 then
begin
for i:=5 to 20 do t:=t+a[i];
end else write('Du lieu da cho chua du 20 phan tu');
write('Tong cac phan tu co gia tri nam trong doan 5 den 20 la: ',t);
readln
end.
uses crt;
var a:array[1..250]of integer;
i,n,t,x,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Chi so cac phan tu co gia tri bang 0 la: ');
for i:=1 to n do
if a[i]=0 then write(i:4);
writeln;
write('Nhap x='); readln(x);
dem:=0;
for i:=1 to n do
if a[i]>x then inc(dem);
writeln('So phan tu lon hon ',x,' la: ',dem);
t:=0;
for i:=1 to n do
if (5<=a[i]) and (a[i]<=20) then t:=t+a[i];
writeln(t);
readln;
end.