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Bài 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 

  if a[i] mod 2<>0 then write(a[i]:4);

readln;

end.

Bài 2: 

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

  if a[i] mod 2=0 then write(a[i]:4);

readln;

end.

5 tháng 5 2023

a) var a:array[1..1000] of integer;

i,k:integer;

p:longint;

begin

write('k = ');readln(k);

p:=1;

for i:=1 to k do

begin

write('Nhap so thu ',i,' = ');readln(a[i]);

if a[i]<30 then p:=p*a[i];

end;

write('Tich la ',p);

readln

end.

b) 

var a:array[1..1000] of integer;

i,k:integer;

s:longint;

begin

write('k = ');readln(k);

for i:=1 to k do

begin

write('Nhap so thu ',i,' = ');readln(a[i]);

if a[i]<100 then s:=s+a[i];

end;

write('Tong la ',s);

readln

end.

Câu 1: 

uses crt;

var a:array[1..100]of integer;

i,n,t:integer;

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 

  t:=t+a[i];

writeln(t);

readln;

end.

Câu 2: 

uses crt;

var a:array[1..100]of integer;

i,n,x,dem,kt:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

  begin

write('A[',i,']='); readln(a[i]);

end;

write('Nhap x='); readln(x);

kt:=0;

dem:=0;

for i:=1 to n do 

if a[i]=x then 

begin

kt:=1;

write(i:4);

inc(dem);

end;

if kt=0 then writeln('Khong co ',x,' trong day');

writeln(x,' xuat hien ',dem,' lan trong day');

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.

5 tháng 5 2022

Var a:array[1..200] of integer;

i,n,s:integer;

begin

write('Nhap so luong phan tu n = ');readln(n);

for i:=1 to n do

begin

write('Nhap phan tu thu ',i,' = ');readln(a[i]);

end;

for i:=1 to n do s:=s+a[i];

write('Tong cac phan tu la ',s);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a[1000],i,n,x;

int main()

{

cin>>n;

for (i=1; i<=n; i++) cin>>a[i];

sort(a+1,a+n+1);

for (i=1; i<=n; i++)

{

int x=sqrt(a[i]);

if (x*x==a[i]) 

{

cout<<x;

return 0;

}

}

cout<<"Ko co so chinh phuong trong day";

return 0;

}

21 tháng 1 2022

uses crt;
var x,i,max,n,dem,dem1,dem2,dem3,t,t1:integer;
a,b,c,d,e:array[-32000..32000]of integer;
tbca,tbcd:real;
begin
clrscr;
write(‘n=’); readln(n);
for i:=1 to n do
begin
write(‘a[‘,i,’]=’); readln(a[i]);
inc(b[a[i]]);
end;
{———————————-cau-a—————————-}
max:=0;
for i:=1 to n do
if max<b[a[i]] then
begin
max:=b[a[i]];
x:=a[i];
end;
writeln(‘phan tu co so lan xuat hien nhieu nhat trong mang la: ‘,x);
{——————————–cau-b——————————-}
dem:=0;
for i:=1 to n do
if a[i]>=0 then
begin
dem:=dem+1;
c[dem]:=a[i];
end;
dem1:=0;
for i:=1 to dem do
if trunc(sqrt(c[i]))=sqrt(c[i]) then inc(dem1);
writeln(‘so luong so chinh phuong trong day la: ‘,dem1);
{——————————–cau-c—————————–}
dem2:=0;
dem3:=0;
for i:=1 to n do
begin
if a[i]>0 then
begin
inc(dem2);
d[dem2]:=a[i];
end;
if a[i]<0 then
begin
inc(dem3);
e[dem3]:=a[i];
end;
end;
t:=0;
t1:=0;
for i:=1 to dem2 do
t:=t+d[i];
tbcd:=t/dem2;
for i:=1 to dem3 do
t1:=t1+e[i];
tbca:=t1/dem3;
writeln(‘trung binh cong cac so am la: ‘,tbca:4:2);
writeln(‘trung binh cong cac so duong la: ‘,tbcd:4:2);
readln;
end.

Bài 1: 

uses crt;

var a:array[1..100]of integer;

i,n,min:integer;

begin

clrscr;

write('n='); readln(n);

for i:=1 to n do 

begin

write('A[',i,']='); readln(a[i]);

end;

min:=a[1];

for i:=1 to n do 

if min>a[i] then min:=a[i];

writeln(min);

readln;

end.

Bài 2: 

uses crt;

var a:array[1..100]of integer;

i,n,max:integer;

begin

clrscr;

write('n='); readln(n);

for i:=1 to n do 

begin

write('A[',i,']='); readln(a[i]);

end;

max:=a[1];

for i:=1 to n do 

 if max<a[i] then max:=a[i];

writeln(max);

readln;

end.

3 tháng 5 2023

1)

Var array:[1..1000] of integer;

i,n,t:integer;

Begin

Write('n = ');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] > a[i+1] then

Begin

t:=a[i];

a[i]:=a[i+1];

a[i+1]:=t;

End;

Write('Sap xep tang dan ');

For i:=1 to n do write(a[i]:8);

Readln

End.

3 tháng 5 2023

2)

Var array:[1..1000] of integer;

i,n,t:integer;

Begin

Write('n = ');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] < a[i+1] then

Begin

t:=a[i];

a[i]:=a[i+1];

a[i+1]:=t;

End;

Write('Sap xep giam dan ');

For i:=1 to n do write(a[i]:8);

Readln

End.