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1 tháng 8 2021

Program HOC24;

var n,a,i,d: integer;

x: array[1..32000] of integer;

begin

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

for i:=1 to n do

begin

write('Nhap phan tu thu ',i,': '); readln(x[i]);

end;

write('Nhap A: '); readln(a);

d:=0;

for i:=1 to n do if x[i]=a then d:=1;

if d=1 then write(A,' xuat hien trong day') else write(A,' khong xuat hien trong day');

readln

end.

1 tháng 8 2021

uses crt;

var n,i,a1:integer;

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

begin

writeln('nhap n'); readln(n);

writeln('nhap a'); readln(a1);

for i:=1 to n do

begin

readln(a[i]);

if (a[i]=a1) then

begin

write(' so a co xuat hien trong day');

break;

end;

if (i<n) then  continue;

writeln('Khong co so a trong day');

end;

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.

uses crt;

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

i,n,k,dem:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

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

for i:=1 to n do 

  if a[i]=k then 

begin

writeln(i);

break;

end;

dem:=0;

for i:=1 to n do 

  if a[i]=k then inc(dem);

if dem>0 then writeln('Co ',dem,' phan tu bang ',k)

else writeln('Khong co phan tu nao bang ',k);

readln;

end.

Câu 1: 

#include <bits/stdc++.h>

using namespace std;

long long i,n,k,dem,x;

int main()

{

cin>>n;

cin>>k;

dem=0;

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

{

cin>>x;

if (x==k) dem++;

}

cout<<dem;

return 0;

}

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.

uses crt;

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

i,n,t:integer;

s:real;

begin

clrscr;

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

for i:=1 to n do 

begin

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

end;

s:=1;

for i:=1 to n do 

  s:=s*a[i];

writeln('Tich la: ',s:0:0);

t:=0;

for i:=1 to n do 

  t:=t+a[i];

writeln('Trung binh la: ',t/n:4:2);

readln;

end.

10 tháng 4 2021

Program HOC24;

var d,i,n: integer;

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

t: longint;

function nt(x: longint): boolean;

var j: longint;

begin

nt:=true;

if (x=2) or (x=3) then exit;

nt:=false;

if (x=1) or (x mod 2=0) or (x mod 3=0) then exit;

j:=5;

while j<=trunc(sqrt(x)) do

begin

if (x mod j=0) or (x mod (j+2)=0) then exit;

j:=j+6;

end;

nt:=true;

end;

begin

write('Nhap N: '); readln(n);

for i:=1 to n do

begin

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

end;

d:=0; t:=0;

for i:=1 to n do

if nt(a[i]) then

begin

d:=d+1;

t:=t+a[i];

end;

writeln('Co ',d,' so nguyen to trong day');

write('Tong cac so nguyen to trong day la: ',t);

readln

end.

uses crt;

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

i,n,dem,t,j,kt: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]>1 then 

begin

kt:=0;

for j:=2 to a[i]-1 do 

 if a[i] mod j=0 then kt:=1;

if kt=0 then

begin

inc(dem);

t:=t+a[i];

end;

end;

writeln('So luong so nguyen to la: ',dem);

writeln('Tong cac so nguyen to la: ',t);

readln;

end.

c: 

#include <bits/stdc++.h>

using namespace std;

long long a[1000],n,i;

int main()

{

cin>>n;

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

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

if (a[i]%2==0) cout<<a[i]<<" ";

return 0;

}

d: 

#include <bits/stdc++.h>

using namespace std;

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

int main()

{

cin>>n;

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

nn=a[1];

for (i=1; i<=n; i++) nn=min(nn,a[i]);

cout<<nn;

return 0;

}