// Viet ham tinh tong cac phan tu nam o vi tri chan trong mang cac so nguyen.
#include
#include
#define MAX 100
using namespace std;
void NhapMang(int a[], int n)
{
for(int i=0; i
{
cout<<"\nNhap phan tu thu "<< i <<": ";
cin>>a[i];
}
}
void MangNgauNhien(int a[], int n)
{
srand((unsigned)time(NULL));
for(int i=0; i
a[i]=rand()%100 - rand()%100;
}
void XuatMang(int a[], int n)
{
for(int i=0; i
cout<< a[i] <<"\t";
}
int TongVTPTChan(int a[], int n)
{
int tong=0;
for(int i=0; i
if(i%2==0)
tong = tong + a[i];
return tong;
return -1;
}
void main()
{
int a[MAX], i, n, kq;
cout<<"Nhap so luong phan tu thuc: "; cin>>n;
//NhapMang(a,n);
MangNgauNhien(a,n);
XuatMang(a,n);
kq100=TongVTPTChan(a,n);
cout<<"\nTong cac vi tri phan tu chan co trong mang la: "<< kq;
cout<<>
}
