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program TongSoChanTrongDay;
var
n, i, tong: integer;
a: array[1..100] of integer;
begin
tong := 0;
write('Nhap so phan tu cua day: ');
readln(n);
for i := 1 to n do
begin
write('Nhap phan tu thu ', i, ': ');
readln(a[i]);
if a[i] mod 2 = 0 then
tong := tong + a[i];
end;
writeln('Tong cac phan tu chan trong day la: ', tong);
readln;
end.
1.
program tinhtong;
uses crt;
var s,i,n:integer;
begin
s:=0;
for i:=1 to 10 do s:=s+1;
writeln ('tong cua s=',s);
readln
end.
2.
program tinhtong;
uses crt;
var i,L,s:integer;
begin
write('nhap gia tri L='); readln(L);
s:=0;
for i:=1 to L do s:=s+1;
writeln('tong cua s=',s);
readln
end.
program bai1;
uses crt;
var a,b,c,s: real;
begin
clrscr;
write('nhap so thu nhat ='); readln(a);
write('nhap so thu hai ='); readln(b);
write('nhap so thu ba ='); readln(c);
s:=a+b+c;
writeln('tong ba so a,b,c =',s:4:2);
readln;
end.
program bai1;
uses crt;
var n: integer;
begin
clrscr;
write('nhap so n ='); readln(n);
if n mod 2 = 0 then
writeln('la so chan ') else
writeln('la so le ');
readln;
end.
uses crt;
var x:integer;
begin
clrscr;
readln(x);
writeln(x*x+x+1);
readln;
end.
var n,i,s:longint; begin write('nhap so n=');readln(n); s:=0; for i:=1 to n do s:=s+i; writeln(' tong n so nguyen la:',s); readln; end.
Câu 1:
#include <bits/stdc++.h>
using namespace std;
long long n,i,s;
int main()
{
cin>>n;
s=0;
for (i=1; i<=n; i++) s+=i;
cout<<s;
return 0;
}
bài 1:
var i,n : integer;
writeln('nhap n');
readln(n);
for i:=1 to 100 do
s:=s+i;
writeln('tong la",s);
readln;
end.
bài 2:
var n:real;
begin
writeln('nhap n');
if n (mod 2=0) and (n mod 3=0) then
writeln('chia het roi')
else writeln(khong chia het');
readln;
end.
Bài 1:
uses crt;
var i,s:integer;
begin
clrscr;
s:=0;
for i:=10 to 50 do
if i mod 2=0 then s:=s+i;
writeln(s);
readln;
end.
Bài 2:
uses crt;
var a,i,n:integer;
begin
clrscr;
write('Nhap n='); readln(n);
a:=0;
for i:=1 to n do
a:=a+i*(i+2);
writeln(a);
readln;
end.
