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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]>0 then write(a[i]:4);
writeln;
for i:=1 to n do
if a[i]<0 then write(a[i]:4);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n,x,s=1,i;
cin>>n;
for (int i=1; i<=n; i++)
{
cin>>x;
if (x<0) s=s*x;
}
cout<<s;
return 0;
}
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.
program trungbinh;
uses crt;
var n,i: integer;
s:real;
A: array[1..1000] of integer;
begin
clrscr;
write('Nhap do dai day: '); readln(n);
writeln('Nhap gia tri cua day: ');
S:=0;
for i:=1 to n do
begin
write('A[',i,']= ');
readln(A[i]);
S:=S+A[i];
end;
S:=S/n;
write('Trung binh cua cac so cua day do la: ',S);
readln;
end.
uses crt;
var n,i,d,x,j,tam:longint;
a:array[1..11]of integer;
st:string;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n>0;
str(n,st);
d:=length(st);
for i:=1 to d do
begin
val(st[i],a[i],x);
end;
for i:=1 to d-1 do
for j:=i+1 to d do
if a[i]<a[j] then
begin
tam:=a[i];
a[i]:=a[j];
a[j]:=tam;
end;
for i:=1 to d do
write(a[i]);
readln;
end.
2:
#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++) if (a[i]%2==0) cout<<a[i]<<" ";
return 0;
}
Câu 1:
#include <bits/stdc++.h>
using namespace std;
double a,b,c;
int main()
{
cin>>a>>b>>c;
cout<<fixed<<setprecision(2)<<(a+b+c)/3;
return 0;
}
Bài 2:
#include <bits/stdc++.h>
using namespace std;
long long x,y;
int main()
{
cin >>x>>y;
cout<<x<<" "<<y;
swap(x,y);
cout<<x<<" "<<y;
return 0;
}
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]>0 then write(a[i]:4);
writeln;
for i:=1 to n do
if a[i]<0 then write(a[i]:4);
readln;
end.