int i;
string s;

int a[5];
int a[5] = {1, 2, 3, 5, 6};
int a[] = {3, 4, 5};

cout << a[0] <<"\n";
cout << a[1] <<"\n";
cout << a[2] <<"\n";
a[0] = 6;

int a[5] = {3, 6, 4, 5, 1};
for(int i = 0; i < 5; i++)
	cout << a[i] <<" ";

a[0] = 7;//a[index] = value;

#include <iostream>
#include <string>
using namespace std;
int main()
{
	string s[3];
    for(int i = 0; i < 3; i++)
    	cin >> s[i];
    for(int i = 2; i > -1; i--)
    	cout << s[i] << "\n";
    return 0;
}	

#include <iostream>
using namespace std;
int main()
{
    int a[10];
    for(int i = 0; i < 10; i++)
        cout << a[i] <<"\n";
	return 0;
}

#include <iostream>
using namespace std;
int main()
{
    int a[5] = {0, 0, 0, 0, 0};
    for(int i = 0; i < 5; i++)
        cout << a[i] << "\n";
    int b[5] = {};
    for(int i = 0; i < 5; i++)
    	cout << b[i] << "\n";
	return 0;
}

//syntax int a[Row][COL]
int main(){
 	int arr[2][3] = {
       {9, 8, 7},
       {6, 5, 4}
    };
    return 0;
}