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uses crt;
var i,n,s:integer;
begin
clrscr;
readln(n);
s:=0;
i:=0;
while i<=n do
begin
i:=i+1;
s:=s+i*i;
end;
writeln(s);
readln;
end.
Program HOC24;
var i,n: integer;
S: longint;
begin
write('Nhap N: '); readln(n);
i:=2; s:=0;
while i<=n do
begin
s:=s+i;
i:=i+2;
end;
write('S=',S);
readln
end.
program TongCacSoChan;
var
n, s, i: integer;
begin
write('Nhap n: ');
readln(n);
s := 0;
i := 2;
while i <= n do
begin
s := s + i;
i := i + 2;
end;
writeln('Tong cac so chan la: ', s);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n,t=0;
cin>>n;
for (int i=1; i<=n; i++)
if (i%6==0) t+=i;
cout<<t;
return 0;
}
Uses Crt;
Var A : array [1..1000] of longint;
n, m, d, t, i, S, k : longint;
Begin
//Phan A
Clrscr;
Writeln(' Phan A ');
Write(' Ban hay nhap 1 so n bat ky: ');
Readln(n);
Write(' Cac so chia het cho ba tu 1 den ',n,' la: ');
For i:=1 to n do
If (i mod 3) = 0 then Write(' ',i);
//Phan B
Writeln;
Writeln(' Phan B ');
Write(' Ban hay nhap 1 so m bat ky: ');
Readln(m);
For i:=1 to m do
Begin
Write(' Ban hay nhap hang tu thu ',i,': ');
Readln(A[i]);
S:= S+A[i];
End;
Write(' Tong cua day so tren la: ',S);
//Phan C
Writeln;
Writeln(' Phan C ');
Write(' Ban hay nhap 1 so d bat ky: ');
Readln(d);
Write(' Ban hay nhap so K: ');
Readln(k);
For i:=1 to n do
Begin
Write(' Ban hay nhap hang tu thu ',i,': ');
Readln(A[i]);
If ((A[i] div k)=1)then t:=t+1;
End;
Write(' Co tat ca ',t,' so giong ',k);
Readln;
End.
program tim_uoc;
uses crt;
var i,n,tong:integer;
begin
clrscr;
write('nhap so n:');readln(n);
i:=1;tong:=0;
writeln('cac uoc cua ',n,' la:');
while i<=n do
if n mod i=0 then
begin
write(i:3);
inc(i);
end;
writeln;
i:=1;writeln('cac uoc chan:');
while i<=n do
begin
if n mod i=0 then
begin
if i mod 2=0 then write(i:3);
tong:=tong+i;
end;
end;
writeln;
write('tong cac uoc chan:',tong);
readln;
end.
uses crt;
var n,i,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
i:=1;
writeln('Cac uoc cua ',n,' la: ');
while i<=n do
begin
if n mod i=0 then write(i:4):
i:=i+1;
end;
writeln;
writeln('Cac uoc chan cua ',n,' la: ');
t:=0;
i:=1;
while i<=n do
begin
if (n mod i=0) then
begin
t:=t+i;
write(i:4);
end;
inc(i);
end;
writeln('Tong cac uoc chan cua ',n,' la: ',t);
readln;
end.
Var a:array[1..15] of integer;
i,s:integer;
Begin
I:=1;
While i<=15 do
Begin
Write('Nhap phan tu thu ',i,' = ');readln(a[i]);
s:=s+a[i];
i:=i+1;
End;
Write('Tong la ',s);
Readln;
End.
Bài 1:
uses crt;
var n,i,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
s:=0;
i:=1;
while i<=n do
begin
s:=s+i;
inc(i);
end;
writeln('Tong cac so trong khoang tu 1 den ',n,' la: ',s);
readln;
end.
Bài 2:
uses crt;
var n,i,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
s:=0;
i:=1;
while i<=n do
begin
s:=s+i;
i:=i+2;
end;
writeln('Tong cac so le trong khoang tu 1 den ',n,' la: ',s);
readln;
end.
Var s1,s2,i,j:integer;
Begin
s1:=1;
s2:=0;
i:=2;
j:=4;
While i<=50 do
Begin
s1:=s1+i;
i:=i+2;
End;
While j<=20 do
Begin
s2:=s2+j;
j:=j+4;
End;
s2:=s2+32;
Writeln('Tong day N = ',s1);
Writeln('Tong day M = ',s2);
Readln;
End.