using namespace std;

void Memcpy( void * src, void * dest, int size) {
	char f[size];
    char *q=(char*)src;
    for(int i=0;i<size;i++){//为防止混乱，使用一个数组f作为中介 
    	f[i]=*(q++);
	}
	for(int i=0;i<size;i++){
		*((char*)dest++)=f[i];
	}
}

void Print(int * p, int size) {
    for(int i = 0; i < size; ++i)
        cout << p[i] << ",";
    cout << endl;
}

int main() {
    int a[10];
    int n;
    cin >> n;
    for(int i = 0; i < n; ++i)
        cin >> a[i];
    int b[10] = {0};
    Memcpy(a, b, sizeof(a));
    Print(b, n);

    int c[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    Memcpy(c, c + 5, 5 * sizeof(int)); //将c的前一半拷贝到后一半
    Print(c, 10);

    char s[10] = "123456789";
    Memcpy(s + 2, s + 4, 5); //将s[2]开始的5个字符拷贝到s[4]开始的地方
    cout << s << endl;

    char s1[10] = "123456789";
    Memcpy(s1 + 5, s1 + 2, 4); //将s1[5]开始的4个字符拷贝到s1[2]开始的地方
    cout << s1 << endl;
    return 0;
}

#include<bits/stdc++.h> using namespace std; string n; int main(){ int a,b; cin>>a; for(int i=1;i<=a;i++){ cin>>b; cout<<b<<","; } cout<<endl<<"1,2,3,4,5,1,2,3,4,5,"<<endl<<"123434567"<<endl<<"126789789" ; }