1. nhập vào số n nhân n cho 3 rồi cộng 1 sau đó in ra kết quả ra màn hình
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2:
#include <bits/stdc++.h>
using namespace std;
long long n,i;
int main()
{
cin>>n;
for (i=1; i<=n; i++)
if (n%i==0) cout<<i<<" ";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,t;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
t=0;
for (i=1; i<=n; i++) t+=a[i];
cout<<t;
return 0;
}
b: #include <bits/stdc++.h>
using namespace std;
long long b[1000],i,n;
int main()
{
cin>>n;
for (i=1; i<=n; i++)
cin>>b[i];
sort(b+1,b+n+1);
for (i=1; i<=n; i++)
cout<<b[i]<<" ";
return 0;
}
Bài 1:
Program HOC24;
var a: array[1..1000] of integer;
i,n,d: integer;
begin
write('Nhap so phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,': '); readln(a[i]);
end;
for i:=1 to n do if (a[i]<0) and (a[i] mod 2=0) then d:=d+1;
write('Co ',d,' so nguyen am chan trong day so');
readln
end.
Bài 2:
Program HOC24;
var a: array[1..1000] of integer;
i,n: integer;
t: longint;
begin
write('Nhap so phan tu: '); readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,': '); readln(a[i]);
end;
t:=0;
for i:=1 to n do if a[i] mod 5=0 then t:=t+a[i];
write(Tong la: ',t);
readln
end.
Var a:array[1..200] of real;
i,n,dem:integer;
s,tbc:real;
Begin
Write('Nhap so luong phan tu n = ');readln(n);
s:=0;
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln;
End.
1.uses crt;
var n,gt:longint;
begin
clrscr;
repeat
write('nhap so n:');readln(n);
until n>0;
gt:=1;
while n>0 do
begin
gt:=gt*n;
n:=n-1;
end;
writeln('giai thua cua n la:',gt);
readln
end.
2. uses crt;
var a,b,c:real;
begin
clrscr;
write('nhap a=');readln(a);
write('nhap b=');readln(b);
write('nhap c=');readln(c);
if (a*a=b*b+c*c) or (b*=c*c+a*a) or (c*c=a*a+b*b) then writeln('khong phai la tam giac vuong');
readln
end.
Bài 1:
program in_phan_tu;
uses crt;
var n,i:longint;
a:array[1..100] of longint;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
for i:=1 to n do
write(a[i]:3);
readln;
end.
Bài 2:
program tong_phan_tu;
uses crt;
var n,i,tong:longint;
a:array[1..100] of longint;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
tong:=0;
for i:=1 to n do
tong:=tong+a[i];
writeln('tong cua day la:');
readln;
end.
Bài 3:
program tong_phan_tu_chan;
uses crt;
var n,i,tong:longint;
a:array[1..100] of longint;
begin
clrscr;
write('nhap so n:');readln(n);
for i:=1 to n do
begin
write('nhap phan tu a[',i,']:');readln(a[i]);
end;
tong:=0;
for i:=1 to n do
if a[i] mod 2=0 then tong:=tong+a[i];
writeln('tong cua day la:');
readln;
end.
Câu 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
write(a[i]:4);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,t,dem;
int main()
{
cin>>n;
dem=0;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0 && x>10) t+=x;
if (x%2!=0 || x<100) dem++;
}
cout<<t<<" "<<dem;
return 0;
}
program TrungBinhCong;
const
MAX = 100;
var
danhSach: array[1..MAX] of integer;
n, i, tong: integer;
trungbinh: real;
begin
write('Nhap so ptu (toi da 100): ');
readln(n);
tong := 0;
for i := 1 to n do
begin
write('Nhap giatri ptu thu ', i, ': ');
readln(danhsach[i]);
tong := tong + danhsach[i];
end;
trungbinh := tong / n;
writeln('Tbc cua danh sach la: ', trungbinh:0:2);
readln;
end.
Var a:array[1..100] of integer;
i,n:integer;
s:longint;
tbc:real;
Begin
Repeat
Write('n = ');readln(n);
Until (n>0) and (n<=100);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i);readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln
End.
uses crt;
var i,n,d:longint;
begin
d:=0;
writeln('nhapn=');read(n);
for i:=1 to n do
begin
if i mod 3=0 then write(i,' ');
if i mod 3=0 then d:=d+i;
end;
writeln('tong=',d);
readln;
end;