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uses crt;
var i,dem:integer;
begin
clrscr;
dem:=0;
for i:=1 to 50 do
if i mod 3=0 then
begin
write(i:4);
inc(dem);
end;
writeln;
writeln(dem);
readln;
end.
a)
uses crt;
var i,n:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n<100;
if n mod 2=0 then
begin
for i:=0 to n do
if i mod 2=0 then write(i:4);
end
else writeln(n,' khong la so chan');
readln;
end.
b)
uses crt;
var i,n:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n<100;
if n mod 2=1 then
begin
for i:=1 to n do
if i mod 2=1 then write(i:4);
end
else writeln(n,' khong la so le');
readln;
end.
Câu 1:
uses crt;
var a:array[1..100]of integer;
i,n,t,s:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
s:=1;
dem:=0;
for i:=1 to n do
if a[i] mod 3=0 then
begin
inc(dem);
t:=t+a[i];
s:=s*a[i];
end;
if dem=0 then writeln('Khong co so chia het cho 3 trong day')
else begin
writeln('Tong cac so chia het cho 3 la: ',t);
writeln('Tich cac so chia het cho 3 la: ',s);
end;
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,dem,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
dem:=0;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
inc(dem);
t:=t+a[i];
end;
writeln('So so chan la: ',dem);
writeln('Tong cac so chan la: ',t);
readln;
end.
Bài 2:
uses crt;
var x,i,n,dem:integer;
begin
clrscr;
readln(n);
dem:=0;
for i:=1 to n do
begin
readln(x);
if x mod 2=0 then inc(dem);
end;
writeln(dem);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long i,n;
int main()
{
cin>>n;
for (i=1; i<=n; i++) if (i%3==0) cout<<i<<" ";
return 0;
}
uses crt;
const fi='baitap.inp';
var f1:text;
a,b,i,t:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,a,b);
t:=0;
for i:=a to b do
if i mod 2=0 then t:=t+i;
writeln(t);
close(f1);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b,i,dem,s;
int main()
{
cin>>a>>b;
dem=0;
s=0;
for (i=a; i<=b; i++)
if (i%2==0)
{
dem++;
s=s+i;
}
cout<<dem<<" "<<s;
return 0;
}
Câu 1:
program an_danh;
uses crt;
var n,i:integer;
begin
clrscr;
n:= 0;
for i:= 1 to 100 do
if i mod 3 = 0 then n:= n + 1;
write('So cac so la boi cua 3 la: ',n);
readln
end.
Câu 2:
program an_danh;
uses crt;
var n,i:integer;
begin
clrscr;
n:= 0;
for i:= -100 to 100 do
if i mod 2 = 0 then n:= n + 1;
write('Cac so chan pham vi tu -100 den 100 la: ',n);
readln
end.
Câu 3:
program an_danh;
uses crt;
var i:integer;
begin
clrscr;
for i:= 1 to 100 do
if i mod 5 = 0 then write(i,' ');
readln
end.
Bài 1:
uses crt;
var i,dem:integer;
begin
clrscr;
dem:=0;
for i:=1 to 100 do
if i mod 3=0 then inc(dem);
writeln('so boi cua 3 trong pham vi tu 1 den 100 la: ',dem);
readln;
end.
Bài 2:
uses crt;
var i,dem:integer;
begin
clrscr;
dem:=0;
for i:=-100 to 100 do
if i mod 2=0 then inc(dem);
writeln('so luong so chan trong pham vi tu -100 den 100 la: ',dem);
readln;
end.
Bài 3:
uses crt;
var i,dem:integer;
begin
clrscr;
dem:=0;
for i:=1 to 100 do
if i mod 5=0 then inc(dem);
writeln('so boi cua 5 trong pham vi tu 1 den 100 la: ',dem);
readln;
end.