Viết phương trình nhập một dãy nguyên A có N phần tử (N<=100). Tính và in ra màn hình tích các số lẻ trong dãy A. Input: 5 1 4 5 2 3. Output:15
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
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.
Bài 1:
Program HOC24;
var i,n,d : byte;
t: integer;
begin
write('Nhap 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 if (a[i] mod 3=0) and (a[i] mod 5=0) then
begin
d:=d+1;
t:=t+a[i];
end;
writeln('Co ',d,' phan tu la boi cua 3 va 5');
write('Tong la: ',t);
readln
end.
Bài 2:
Program HOC24;
var i,n,k : byte;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('Nhap phan tu thu ',i,' : '); readln(a[i]);
end;
write('Nhap k: '); readln(k);
for i:=1 to n do if a[i]=k then d:=d+1;
writeln('Co ',d,' phan tu bang ',k);
Write('Cac chi so do la: ');
for i:=1 to n do if a[i]=k then write(i,' ');
readln
end.
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.
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 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 i,n,k,dem,x;
int main()
{
cin>>n>>k;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x==k) dem++;
}
cout<<dem;
return 0;
}
#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;
}
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.
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.
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.
tham khảo
Program Hotboy;
Uses crt;
Var A:array[1..100] of integer;
I,n : byte;
S:real;
Begin
Clrscr ;
S:=1;
Write('nhao so phan tu trong day'); 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 5 =0 then
S:=S* A[i] ;
Writeln('Tong cac phan tu chia het cho 5 trong mang la',S);
Readln
End.
uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
readln(n);
t:=1;
for i:=1 to n do
if a[i] mod 2<>0 then t:=t*a[i];
writeln(t);
readln;
end.