Program FNG;

Uses crt;Var A: array[1..1000] of longint;    n,i,s,da,sa: longint;Begin        Clrscr;        Write('Nhap n: '); Readln(n);        s:=0; da:=0; sa:=0;        For i:=1 to n do        Begin                Write('A[',i,'] = ');                Readln(A[i]);                s:=s+A[i];                If A[i]<0 then                Begin                        inc(da);                        sa:=sa+A[i];                End;        End;        Writeln('S = ',s);        Writeln('Dem am = ',da)        Write('Tong am = ',sa);        ReadlnEnd.

Nhập mảng xong rồi làm gì nữa bạn?

b: #include <bits/stdc++.h>

using namespace std;

long long b[1000],i,n;

int main()

{

cin>>n;

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

cin>>b[i];

sort(b+1,b+n+1);

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

cout<<b[i]<<" ";

return 0;

}

uses crt;

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

i,n,tc,tl,t:integer;

begin

clrscr;

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

for i:=1 to n do 

  begin

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

end;

tc:=0;

tl:=0;

for i:=1 to n do 

  begin

if a[i] mod 2=0 then tc:=tc+a[i]

else tl:=tl+a[i];

end;

writeln('Tong cac so chan la: ',tc);

writeln('Tong cac so le la: ',tl);

t:=0;

for i:=1 to n do  

t:=t+a[i];

writeln('Tong cua day so la: ',t);

readln;

end. 

Câu 1:

var i,n:integer;

s:longint;

begin

Write('n = ');readln(n)

for i:=1 to n do

s:=s+2*i+1;

write('tong la: ',s);

readln

end.

Câu 2

Bài 5:

Var b:array:[1..1000] of integer;

i,n,max:integer;

Begin

Write('n = ');readln(n);

For i:=1 to n do

Begin

Write('Nhap so thu ',i,' = ');readln(b[i]);

End;

Write('Cac phan tu am la: ');

For i:=1 to n dko

if b[i]<0 then write(b[i]:8);

writeln;

max:=b[1];

For i:=2 to n do

If b[i] > max then max:=b[i];

write('So lon nhat la ',max);

Readln

End.

uses crt;
var n,i,t,dem,t1,dem1,t2:longint;
a:array[1..100]of longint;
tbc,tbca,tbcd:real;
begin
clrscr;
write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
{--------------------cau-1-----------------------}
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('tong cac phan tu cua day la: ',t);
{-------------------cau-2-------------------------}
dem:=0;
t1:=0;
for i:=1 to n do
if a[i]>0 then
begin
dem:=dem+1;
t1:=t1+a[i];
end;
writeln('so luong cac so hang duong la: ',dem);
writeln('tong cua cac so hang duong la: ',t1);
{-------------------cau-3-------------------------}
dem1:=0;
t2:=0;
for i:=1 to n do
if a[i]<0 then
begin
inc(dem1);
t2:=t2+a[i];
end;
writeln('so luong cac so hang am la: ',dem1);
writeln('tong cua cac so hang am la: ',t2);
{-------------------cau-4-----------------------}
tbc:=t/n;
writeln('trung binh cong cua day so la: ',tbc:4:2);
tbcd:=t1/dem;
writeln('trung binh cong cua cac phan tu duong la: ',tbcd:4:2);
tbca:=t2/dem1;
writeln('trung binh cong cua cac phan tu am la: ',tbca:4:2);
readln;
end.

program an_danh;
uses crt;
var n,i,nd,na:integer;
tbc,tbcd,tbca:real;
tong,tongd,tonga:longint;
a:array [1..10] of integer;
begin
clrscr;
write('So phan tu cua day so: ');readln(n);
for i:= 1 to n do
begin
write('Phan tu thu ',i,': ');
readln(a[i]);
end;
tong:= 0;
for i:= 1 to n do tong:= tong + a[i];
tbc:= tong / n;
writeln('Tong cac phan tu la: ',tong);
nd:= 0; tongd:= 0;
for i:= 1 to n do
if a[i] mod 2 = 0 then
begin
nd:= nd + 1;
tongd:= tongd + a[i];
end;
tbcd:= tongd / nd;
writeln('So cac phan tu duong trong day: ',nd);
writeln('Tong cac phan tu duong trong day: ',tongd);
na:= 0; tonga:= 0;
for i:= 1 to n do
if a[i] mod 2 <> 0 then
begin
na:= na + 1;
tonga:= tonga + a[i];
end;
tbca:= tonga / na;
writeln('So cac phan tu am trong day: ',na);
writeln('Tong cac phan tu am trong day: ',tonga);
writeln('Trung binh cong cua ca day: ',tbc:0:2);
writeln('Trung binh cong cac phan tu duong: ',tbcd:0:2);
write('Trung binh cong cac phan tu am: ',tbca:0:2);
readln
end.

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

i,n:integer;

s:longint;

Begin

Write('n = ');readln(n);

For i:=1 to n do

Begin

Write('Nhap phan tu thu ',i,' = ');readln(a[i]);

s:=s+a[i];

End;

Write('Cac phan tu vua nhap la ');

For i:=1 to n do

Write(a[i]:8);

Writeln;

Write('Tong cua chung la ',s);

Readln

End.