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Câu 4:
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 (10<a[i]) and (a[i]<20) then
begin
inc(dem);
t:=t+a[i];
end;
writeln('So phan tu lon hon 10 va nho hon 20 la: ',dem);
writeln('Tong cac phan tu lon hon 10 va nho hon 20 la: ',t);
readln;
end.
Câu 5:
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.
uses crt;
var n,i,dem:longint;
a:array[1..100] of real;
x:real;
begin
clrscr;
write('nhap n:');readln(n);
writeln('nhap day so thuc:');
for i:=1 to n do
begin
write('a[',i,']=');readln(a[i]);
end;
write('nhap x:');readln(x);
dem:=0;
for i:=1 to n do
if a[i]<=x then dem:=dem+1;
if dem=0 then write('trong day khong co so khong lon hon ',x:2:2)
else write('co ',dem,' so trong day khong lon hon ',x:2:2);
readln;
end.
program bai1;
var a:array[1..100] of real;
x:real;
i,n,d:longint;
begin
write('n= ');readln(n);
readln('x= ');readln(x);
for i:=1 to n do
begin
write('a[',i,']= ');readln(a[i]);
end;
d:=0;
for i:=1 to n do
if a[i]<=x then d:=d+1;
write(d);
readln
end.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem;
int main()
{
cin>>n;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0) dem++;
}
cout<<dem;
return 0;
}
var a:array[1..1000] of integer;
i,n,min:integer;
s:longint;
begin
write('n = ');readln(n);
for i:=1 to n do
begin
write('Nhap so thu ',i,' = ');readln(a[i]);
s:=s+a[i];
end;
writeln('Tong la ',s);
min:=a[1];
for i:=2 to n do
if a[i] < min then min:=a[i];
write('Cac so chan la ');
for i:=1 to n do
if a[i] mod 2 = 0 then write(a[i]:8);
writeln;
write('so nho nhat la ',min);
readln
end.
Câu 1:
uses crt;
var a:array[1..100]of real;
i,n:integer;
t:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then t:=t+a[i];
writeln(t:4:2);
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n:integer;
t:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=1;
for i:=1 to n do
t:=t*a[i];
writeln(t:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem;
int main()
{
cin>>n;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0) dem++;
}
cout<<dem;
return 0;
}
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.
#include <bits/stdc++.h>
using namespace std;
long long a[100],i,n,x,dem;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
cin>>x;
dem=0;
for (i=1; i<=n; i++)
if (x==a[i]) dem++;
cout<<dem;
return 0;
}