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#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll i, j, n, a[1000005], dem = 0, m;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n;
for (i = 1; i <= n; i++)
{
cin >> a[i];
if (a[i] % 3 == 0)
{
n--;
i--;
}
}
for (i = 1; i <= n; i++)
{
cout << a[i] << " ";
}
cout<<endl;
for(i=1;i<=n;i++)
{
if(a[i]%5==0)
{
for(j=i;j<=n;j++)
{
a[j]=a[j+1];
}
n--;
i--;
}
}
for(i=1;i<=n;i++)
{
cout<<a[i]<<" ";
}
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,x;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
sort(a+1,a+n+1);
for (i=1; i<=n; i++)
{
int x=sqrt(a[i]);
if (x*x==a[i])
{
cout<<x;
return 0;
}
}
cout<<"Ko co so chinh phuong trong day";
return 0;
}
uses crt;
var x，i，max，n，dem，dem1，dem2，dem3，t，t1:integer;
a，b，c，d，e:array[-32000..32000]of integer;
tbca，tbcd:real;
begin
clrscr;
write(‘n=’); readln(n);
for i:=1 to n do
begin
write(‘a[‘，i，’]=’); readln(a[i]);
inc(b[a[i]]);
end;
{———————————-cau-a—————————-}
max:=0;
for i:=1 to n do
if max<b[a[i]] then
begin
max:=b[a[i]];
x:=a[i];
end;
writeln(‘phan tu co so lan xuat hien nhieu nhat trong mang la: ‘，x);
{——————————–cau-b——————————-}
dem:=0;
for i:=1 to n do
if a[i]>=0 then
begin
dem:=dem+1;
c[dem]:=a[i];
end;
dem1:=0;
for i:=1 to dem do
if trunc(sqrt(c[i]))=sqrt(c[i]) then inc(dem1);
writeln(‘so luong so chinh phuong trong day la: ‘，dem1);
{——————————–cau-c—————————–}
dem2:=0;
dem3:=0;
for i:=1 to n do
begin
if a[i]>0 then
begin
inc(dem2);
d[dem2]:=a[i];
end;
if a[i]<0 then
begin
inc(dem3);
e[dem3]:=a[i];
end;
end;
t:=0;
t1:=0;
for i:=1 to dem2 do
t:=t+d[i];
tbcd:=t/dem2;
for i:=1 to dem3 do
t1:=t1+e[i];
tbca:=t1/dem3;
writeln(‘trung binh cong cac so am la: ‘，tbca:4:2);
writeln(‘trung binh cong cac so duong la: ‘，tbcd:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[20],i,j,dem;
bool kt;
int main()
{
for (i=1; i<=20; i++) cin>>a[i];
dem=0;
for (i=1; i<=20; i++)
if (a[i]>1)
{
kt=true;
for (j=2; j<=sqrt(a[i]); j++)
if (a[i]%j==0) kt=false;
if (kt==true) dem++;
}
cout<<dem;
return 0;
}
Var a:array[1..100] of integer;
i,n:integer;
s:longint;
Begin
Write('n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
s:=s+a[i];
End;
Write('Cac phan tu vua nhap la ');
For i:=1 to n do
Write(a[i]:8);
Writeln;
Write('Tong cua chung la ',s);
Readln
End.
#include <bits/stdc++.h>
using namespace std;
long long n,i,a[1000];
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
sort(a+1,a+n+1);
for (i=n; i>=1; i--) cout<<a[i]<<" ";
return 0;
}
Câu 1:
var i,n:integer;
s:longint;
begin
Write('n = ');readln(n)
for i:=1 to n do
s:=s+2*i+1;
write('tong la: ',s);
readln
end.
Câu 2
Bài 5:
Var b:array:[1..1000] of integer;
i,n,max:integer;
Begin
Write('n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i,' = ');readln(b[i]);
End;
Write('Cac phan tu am la: ');
For i:=1 to n dko
if b[i]<0 then write(b[i]:8);
writeln;
max:=b[1];
For i:=2 to n do
If b[i] > max then max:=b[i];
write('So lon nhat la ',max);
Readln
End.
