#include <iostream>
using namespace std;
void nhap(int a[], int &n);
void xuat(int a[], int n);
int tongam(int a[], int n);
int main()
{
int a[100], n, m;
cout<<"Nhap slpt n= "; cin>>n;
nhap(a,n);
cout<<"cac phan tu mang A la:\n";
xuat(a,n);
cout<<endl;
cout<<" Tong cac gia tri am trong mang la: ";
int tong = tongam(a,n);
cout<<tong;
}
void nhap(int a[], int &n)
{
for (int i=0; i<n; i++)
{
cout<<"A["<<i<<"]= "; cin>>a[i];
}
}
void xuat(int a[], int n)
{
for (int i=0; i<n; i++)
{
cout<<a[i]<<" ";
}
}
int tongam(int a[], int n)
{
int s = 0;
for(int i = 0; i < n; i++)
{
if(a[i] < 0)
{
s = s + a[i];
}
}
return s;
}
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