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![](https://rs.olm.vn/images/avt/0.png?1311)
1:
#include <bits/stdc++.h>
using namespace std;
long long n,i,x,t;
int main()
{
cin>>n;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
t=t+x;
}
cout<<t;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
#include <iostream>
#include <fstream>
using namespace std;
ifstream input("D:/input.txt");
ofstream output("D:/ouput.txt");
int main()
{
int A[1000];
int n ,dem=0;
input >> n;
for(int i=0;i<n;i++)
input >> A[i];
for(int i=0;i<n;i++)
if(A[i]<0)
dem +=A[i];
output << dem;
return 0;
}
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
if a[i]<0 then t:=t+a[i];
writeln('Tong cac so nguyen am la: ',t);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
Mình chỉ viết chương trình chính thôi, còn chương trình con bạn tự viết nhé
uses crt;
var a:array[1..100]of integer;
i,n,t,t1,t2:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
edn;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(t);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
uses crt;
var a:array[1..100]of integer;
i,n,dem,dem1,dem2,t:integer;
s:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
repeat
write('A[',i,']='); readln(a[i]);
until a[i]>0;
end;
for i:=1 to n do
write(a[i]:4);
writeln;
dem:=0;
for i:=1 to n do
if a[i]>10 then inc(dem);
writeln('So phan tu lon hon 10 la: ',dem);
dem1:=0;
dem2:=0;
for i:=1 to n do
begin
if a[i] mod 2=0 then inc(dem1)
else inc(dem2);
end;
writeln('So luong so chan la: ',dem1);
writeln('So luong so le la: ',dem2);
t:=0;
s:=1;
for i:=1 to n do
begin
if (i mod 2=0) and (a[i] mod 2<>1) then t:=t+a[i];
if (i mod 2=1) and (a[i] mod 2=0) then s:=s*a[i];
end;
writeln('Tong cac so o vi tri chan co gia tri le la: ',t);
writeln('Tich cac so o vi tri le co gia tri chan la: ',s:4:2);
writeln('Cac so le la: ');
for i:=1 to n do
if a[i] mod 2<>0 then write(a[i]:4);
writeln;
writeln('Cac so chan va lon hon 10 la: ');
for i:=1 to n do
if (a[i] mod 2=0) and (a[i]>10) then write(a[i]:4);
readln;
end.
![](https://rs.olm.vn/images/avt/0.png?1311)
#include <bits/stdc++.h>
using namespace std;
long long n,i,x;
int main()
{
cin>>n;
long long s=1;
for (i=1; i<=n; i++)
{
cin>>x;
s=s*i;
}
cout<<s;
return 0;
}
![](https://rs.olm.vn/images/avt/0.png?1311)
program nhap_tinhtong;
uses crt;
type kmang=array[1..1000] of integer;
var A:kmang;
n:integer;
{---Nhap---}
procedure nhap;
var i:integer;
begin
write('Nhap n: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']= '); readln(A[i]);
end;
end;
{---Tinh-tong---}
function tinh_tong(A:kmang; n:integer):integer;
var t,i:integer;
begin
t:=0;
for i:=1 to n do
t:=t+A[i];
tinh_tong:=t;
end;
{---CT-chinh---}
BEGIN
clrscr;
nhap;
write('Tong cac phan tu la: ',tinh_tong(A,n));
readln;
end.
program nhap_tinhtong;
uses crt;
type kmang=array[1..1000] of integer;
var A:kmang;
n:integer;
{---Nhap---}
procedure nhap;
var i:integer;
begin
write('Nhap n: '); readln(n);
for i:=1 to n do
begin
write('A[',i,']= '); readln(A[i]);
end;
end;
{---Tinh-tong---}
function tinh_tong(A:kmang; n:integer):integer;
var t,i:integer;
begin
t:=0;
for i:=1 to n do
t:=t+A[i];
tinh_tong:=t;
end;
{---CT-chinh---}
BEGIN
clrscr;
nhap;
write('Tong cac phan tu la: ',tinh_tong(A,n));
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,i,x;
int main()
{
long long t=0;
cin>>n;
for (i=1; i<=n; i++)
{
cin>>x;
t=t+x;
}
cout<<t;
return 0;
}