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uses crt;
var a:array[1..100]of integer;
i,n,d,j,kt:integer;
st:string;
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
begin
str(a[i],st);
d:=length(st);
kt:=0;
for j:=1 to d do
if st[j]<>st[d-j+1] then kt:=1;
if kt=0 then write(st:4);
end;
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,t;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
t=0;
for (i=1; i<=n; i++) t+=a[i];
cout<<t;
return 0;
}
Bài 1
Var a:array:[1..99] of integer;
i,n:integer;
s:longint;
Begin
Repeat
Write('n = ');readln(n);
Until (n > 0) and (n < 100);
For i:=1 to n do
Begin
Write('Nhap diem thu ',i,' = ');readln(a[i]);
if a[i] mod 2 = 0 then s:=s+a[i];
End;
Write('Cac so vua nhap la: ');
For i:=1 to n do
Write(a[i]:8);
writeln;
write('Tong cac so chan la ',s);
Readln
End.
Bài 2
Var a:array:[1..99] of integer;
i,n:integer;
s:longint;
Begin
Repeat
Write('n = ');readln(n);
Until (n > 0) and (n < 100);
For i:=1 to n do
Begin
Write('Nhap diem thu ',i,' = ');readln(a[i]);
if a[i] mod 2 <> 0 then s:=s+a[i];
End;
Write('Cac so vua nhap la: ');
For i:=1 to n do
Write(a[i]:8);
writeln;
write('Tong cac so le 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.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],n,i,dem1,dem2;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
dem1=0;
dem2=0;
for (i=1; i<=n; i++)
{
if (a[i]%2==0) dem1++;
else dem2++;
}
cout<<dem1<<" "<<dem2;
return 0;
}
program XuatSoChan;
uses crt;
const
Max_N = 20;
type
MangSoNguyen = array [1..Max_N] of integer;
var
A: MangSoNguyen;
i, n: integer;
begin
clrscr;
write('Nhap so luong phan tu cua mang: ');
readln(n);
writeln('Nhap cac phan tu vao mang:');
for i := 1 to n do
begin
write('A[', i, ']: ');
readln(A[i]);
end;
writeln('Cac so chan trong mang la:');
for i := 1 to n do
begin
if A[i] mod 2 = 0 then
writeln(A[i]);
end;
readln;
end.
Bài 1:program sothuc;
uses crt;
var a:array[1..10] of real;s,i,j:real;
begin
s:=0;
for i:=1 to 10 do begin writeln('A[',i,']=');readln(a[i]); end;
for i:=1 to 10 do if a[i]<0 then
for j:=1 to 10 do
begin a[j]:=sqr(a[i]); s:=s+a[j]; end;
writeln('tong binh phuong cac so am la: ',s:2:2); readln;
end. (Khi nào mình kiểm tra chạy lại trên phần mềm rồi sửa lại nếu sai nhé)
Bài 2:
program soduong;
uses crt;
var a:array[1..100] of integer;s,i,n:integer;
begin
clrscr;
writeln('nhap do dai cua day');readln(n);
for i:=1 to n do begin
writeln('a[',i,']=');readln(a[i]);
if a[i] mod 2 = 0 then s:=s+a[i] end;
writeln('tong so duong trong day la',s:2:0);readln
end.
Bài 3: các số dương mà là số lẻ là sao thế bạn????
uses crt;
var a:array[1..100]of integer;
i,n,d,j,kt:integer;
st:string;
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
str(a[i],st);
d:=length(st);
kt:=0;
for j:=1 to d do
if st[j]<>st[d-j+1] then kt:=1;
if kt=0 then write(st:4);
end;
readln;
end.