Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Đề bài 1:
uses crt;
var a,b,c:array[1..100]of integer;
k,i,n,max,min,dem,dem1,tam,j,dem2,t:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('nhap k='); readln(k);
{-------------------------------cau-a--------------------------}
max:=a[1];
for i:=1 to n do
if max<a[i] then max:=a[i];
writeln('gia tri lon nhat cua mang la: ',max);
dem:=0;
for i:=1 to n do
if max=a[i] then
begin
inc(dem);
b[dem]:=i;
end;
writeln('vi tri cua no lan luot la:');
for i:=1 to dem do
write(b[i]:4);
{-----------------------------cau-b--------------------------}
writeln;
min:=a[1];
for i:=1 to n do
if min>a[i] then min:=a[i];
writeln('gia tri nho nhat cua mang la: ',min);
dem1:=0;
for i:=1 to n do
if min=a[i] then
begin
inc(dem1);
c[dem1]:=i;
end;
writeln('vi tri cua no lan luot la:');
for i:=1 to dem1 do
write(c[i]:4);
{--------------------------cau-c------------------------}
writeln;
t:=0;
for i:=1 to n do
if i mod 2=0 then t:=t+sqr(a[i]);
writeln('tong binh phuong cac phan tu o vi tri chan la: ',t);
{------------------------cau-d-------------------------------}
writeln('mang duoc sap xep tang dan la: ');
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]>a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
for i:=1 to n do
write(a[i]:4);
{------------------------cau-e-----------------------}
writeln;
dem2:=0;
for i:=1 to n do
if a[i]=k then inc(dem2);
writeln('so gia tri bang ',k,' trong day la: ',dem2);
readln;
end.
Đề bài 2:
uses crt;
var a:array[1..100]of integer;
n,i,dem,dem1,t,t1,t2:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{-------------------------------cau-a--------------------------}
dem:=0;
for i:=1 to n do
if a[i] mod 2=0 then inc(dem);
writeln('so luong so chan co trong mang la: ',dem);
{-------------------------------cau-b---------------------------}
dem1:=0;
for i:=1 to n do
if a[i] mod 2<>0 then inc(dem1);
writeln('so luong so le co trong mang la: ',dem1);
{-----------------------------cau-c--------------------------}
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then t:=t+a[i];
writeln('tong cac so chan co trong mang la: ',t);
{------------------------------cau-d--------------------------}
t1:=0;
for i:=1 to n do
if a[i] mod 2<>0 then t1:=t1+a[i];
writeln('tong cac so le co trong mang la: ',t1);
{------------------------------cau-e-------------------------}
t2:=0;
for i:=1 to n do
t2:=t2+a[i];
writeln('gia tri trung binh cua mang la: ',t2/n:4:2);
readln;
end.
Bài 1:
uses crt;
var a,b:array[1..100]of integer;
i,n,dem,t,dem1,max,tam,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;
for i:=1 to n do
if a[i] mod 2<>0 then inc(dem);
writeln('So luong so le la: ',dem);
t:=0;
for i:=1 to n do
if a[i] mod 5=0 then t:=t+a[i];
writeln('Tong cac phan tu chia het cho 5 la: ',t);
dem1:=0;
for i:=1 to n do
if a[i] mod 2=0 then
begin
inc(dem1);
b[dem1]:=a[i];
end;
max:=b[1];
for i:=1 to dem1 do
if max<b[i] then max:=b[i];
writeln('Phan tu chan lon nhat la: ',max);
writeln('Vi tri cua no trong mang la: ');
for i:=1 to n do
if max=a[i] then write(i:4);
writeln;
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]>a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
writeln('Mang duoc sap xep tang dan la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
writeln('Cac so nguyen to trong day la: ');
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 write(a[i]:4);
end;
readln;
end.
Câu 1:
uses crt;
var a:array[1..10]of integer;
i,n,t:integer;
begin
clrscr;
write('n='); readln(n);
if (n>0) and (n<=10) then
begin
t:=0;
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
t:=t+a[i];
end;
writeln('tong cua day so la: ',t);
end
else writeln('vui long nhap lai');
readln;
end.
Câu 2:
uses crt;
var b:array[1..20]of integer;
i,n:integer;
begin
clrscr;
write('n='); readln(n);
if (n>0) and (n<=20) then
begin
for i:=1 to n do
begin
write('b[',i,']='); readln(b[i]);
end;
for i:=1 to n do
write(b[i]:4);
end
else writeln('vui long nhap lai');
readln;
end.
uses crt;
var a:array[1..100]of integer;
n,i,t,dem,max,min,kt,j,x,dem1,k: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('Tong cac phan tu cua mang la: ',t);
dem:=0;
for i:=1 to n do
if a[i]<0 then inc(dem);
writeln('So phan tu am co trong mang la: ',dem);
max:=a[1];
min:=a[1];
for i:=1 to n do
begin
if max<a[i] then max:=a[i];
if min>a[i] then min:=a[i];
end;
writeln('Tong phan tu nho nhat va lon nhat trong mang la: ',max+min);
writeln('Vi tri cac so nguyen to co trong mang la: ');
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 write(i:4);
end;
writeln;
repeat
write('Nhap x='); readln(x);
until x>0;
dem1:=0;
for i:=1 to n do
if a[i]>0 then inc(dem1);
if dem1<x then writeln(x,' nho hon so luong so nguyen duong trong mang')
else if dem1=x then writeln(x,' la so luong so nguyen duong trong mang')
else writeln(x,' lon hon so luong so nguyen duong trong mang');
readln;
end.
uses crt;
var a,b,c,d:array[1..100]of integer;
n,i,dem,t,max,min,j,dem1,kt,dem2,dem3,kt1:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Phan tu dau tien la: ',a[1]);
writeln('Phan tu cuoi cung la: ',a[n]);
dem:=0;
for i:=1 to n do
if a[i] mod 4=0 then inc(dem);
writeln('So luong phan tu chia het cho 4 la: ',dem);
t:=0;
for i:=1 to n do
if (a[i] mod 2=0) and (a[i]>10) then t:=t+a[i];
writeln('Tong cac so chan va lon hon 10 la: ',t);
dem1:=0;
for i:=1 to n do
if sqrt(a[i])=trunc(sqrt(a[i])) then
begin
inc(dem1);
b[dem1]:=a[i];
end;
writeln;
writeln('So luong so chinh phuong trong mang la: ',dem1);
if dem1>0 then
begin
writeln('Cac so chinh phuong co trong mang la: ');
for i:=1 to dem1 do
write(b[dem1]:4);
end;
writeln;
kt:=0;
for i:=1 to n do
if a[i] mod 2<>0 then kt:=1;
if kt=0 then writeln('Day la mang chan')
else writeln('Day khong la mang chan');
readln;
end.
Bài 1:
uses crt;
var x,i,t,dem:longint;
tbc:real;
begin
clrscr;
write('nhap x=');readln(x);
t:=0;
dem:=0;
for i:=1 to x do
if x mod i=0 then
begin
t:=t+i;
inc(dem);
end;
tbc:=t/dem;
writeln('trung binh cong cac phan tu la uoc cua ',x,' la: ',tbc:4:2);
readln;
end.
Bài 3:
uses crt;
var a:array[1..100]of integer;
m,n,i:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
write('m='); readln(m);
for i:=1 to n do
if a[i]<0 then a[i]:=m;
for i:=1 to n do
write(a[i]:4);
readln;
end.
Bài 4:
uses crt;
var a:array[1..100]of integer;
n,i,j:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
for i:=1 to n do
for j:=i+1 to n do
if (a[i] mod a[j]=0) then writeln(a[i],' ',a[j]);
if a[j] mod a[i]=0 then writeln(a[j],' ',a[i]);
readln;
end.
Bài 5:
uses crt;
var a:array[1..100]of integer;
n,i,j:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
for i:=1 to n do
for j:=i+1 to n do
if a[i]=sqr(a[j]) then writeln(a[i],' ',a[j]);
if a[j]=sqr(a[i]) then writeln(a[j],' ',a[i]);
readln;
end.
Bài 6:
uses crt;
var a:array[1..100]of integer;
n,i,j:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
for i:=1 to n do
for j:=i+1 to n do
if sqr(a[i])+sqr(a[j])=100 then writeln(a[i],' ',a[j]);
if sqr(a[j])+sqr(a[i])=100 then writeln(a[j],' ',a[i]);
readln;
end.
Bài 7:
uses crt;
var a:array[1..100]of integer;
n,i,t1,t2:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
t1:=0;
t2:=0;
for i:=1to n do
begin
if i mod 2=0 then t1:=t1+a[i]
else t2:=t2+a[i];
end;
if t1=t2 then writeln('thoa man')
else writeln('khong thoa man');
readln;
end.
Bài 8:
uses crt;
var a,b:array[1..100]of integer;
n,i,kt,j,dem:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
dem:=0;
for i:=1 to n do
if i mod 2=0 then
begin
dem:=dem+1;
b[dem]:=a[i];
end;
kt:=0;
for j:=1 to dem-1 do
if a[j]>a[j+1] then kt:=1;
if kt=0 then writeln('cac phan tu o vi tri chan cua day tang dan')
else writeln('cac phan tu o vi tri chan cua day khong tang dan');
readln;
end.
Bài 9:
uses crt;
var a,b,c:array[1..100]of integer;
n,i,j,dem,dem1:integer;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{----------------------------------------------------}
for i:=1 to n do
begin
if i mod 2=1 then
begin
dem:=dem+1;
b[dem]:=a[i];
end
else begin
dem1:=dem1+1;
c[dem1]:=a[i];
end;
end;
for i:=1 to dem do
write(b[i]:4);
for j:=1 to dem1 do
write(c[j]:4);
readln;
end.
Bài 1:
uses crt;
var a,b:array[1..100]of integer;
n,i,dem,t,dem1,x,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Mang vua nhap la: ');
for i:=1 to n do
write(a[i]:4);
writeln;
dem:=0;
for i:=1 to n do
if a[i]>0 then inc(dem);
writeln('So luong so nguyen duong trong mang la: ',dem);
t:=0;
for i:=1 to n do
if a[i] mod 3=0 then t:=t+a[i];
writeln('Tong cac so nguyen chia het cho 3 la: ',t);
write('Nhap x='); readln(x);
dem1:=0;
for i:=1 to n do
if a[i]>x then
begin
inc(dem1);
b[dem1]:=a[i];
end;
writeln('So phan tu lon hon ',x,' la: ',dem1);
writeln('Cac so do la: ');
for i:=1 to dem1 do
write(b[i]:4);
writeln;
kt:=0;
for i:=1 to n-1 do
if a[i]>a[i+1] then kt:=1;
if kt=0 then writeln('Day la day don dieu tang')
else writeln('Day khong la day don dieu tang');
readln;
end.
Bài 2:
uses crt;
var st:string;
d,t,i,x,y:integer;
begin
clrscr;
write('Nhap chuoi:'); readln(st);
d:=length(st);
t:=0;
for i:=1 to d do
if st[i] in ['0'..'9'] then
begin
val(st[i],x,y);
t:=t+x;
end;
writeln('Tong cac so co trong chuoi la: ',t);
readln;
end.
uses crt;
var a:array[1..250] of integer;
i,n,s,t:integer;
begin
write('nhap n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
writeln('thu tu nguoc lai cua thu tu nhap la:');
for i:=n downto 1 do writeln('a[',i,']=',a[i],' ');
s:=0; t:=0;
for i:=1 to n do if a[i] mod 3=0 then s:=s+a[i]*a[i];
for i:=1 to n do if a[i] mod 5=0 then t:=t+a[i]*a[i];
writeln('tong binh phuong cac so chia het cho 3 la:',s);
write('tong binh phuong cac so chia het cho 5 la:',t);
readln
end.
Bài 4:
Program hotrotinhoc_hoc24;
var i,n,k,d: integer;
a: array[1..32000] of integer;
begin
write('Nhap so phan tu : '); readln(n);
d:=0;
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('Nhap so nguyen k : '); readln(k);
for i:=1 to n do
if a[i]=k then inc(d);
if d>0 then writeln('So nguyen K xuat hien trong day') else writeln('So nguyen K khong xuat hien trong day');
write('So lan xuat hien cua k la :',d);
readln
end.
Bài 3:
Program hotrotinhoc_hoc24;
var i,n,max,min: integer;
a: array[1..32000] of integer;
begin
write('Nhap so phan tu : '); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
max:=0; min:=32000;
for i:=1 to n do
begin
if a[i]>max then max:=a[i];
if a[i]<min then min:=a[i];
end;
writeln('Gia tri lon nhat la : ',max);
write('Thu tu xuat hien cua gia tri lon nhat la :');
for i:=1 to n do if a[i]=max then write(i,' ');
writeln;
writeln('Gia tri nho nhat la : ',min);
write('Thu tu xuat hien cua gia tri nho nhat la :');
for i:=1 to n do if a[i]=min then write(i,' ');
readln
end.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
cout<<"Cac so duong la: ";
for (i=1; i<=n; i++) if (a[i]>0) cout<<a[i]<<" ";
cout<<endl;
for (i=1; i<=n; i++) if (a[i]%2==0) cout<<a[i]<<" ";
for (i=1; i<=n; i++) if (a[i]%2!=0) cout<<a[i]<<" ";
return 0;
}