c++重新学习1全局数组与数组初始化

//this file is used to test ShuZe
#include<iostream>
#include<cmath>
#include<cstdio>
#include<cstring>
using namespace std;
int a[100];
int main()
{
    for(int i=0;i<=99;i++)
    {
        cout<<a[i];
        if(a[i]%5==4)
        cout<<endl;
        else
        cout<<' ';
    }
    int b[100];
    memset(b,0,sizeof(b));
    for(int i=0;i<=99;i++)
    {
        cout<<b[1];
        if(b[i]%5==4)
        cout<<endl;
        else
        cout<<' ';
    }
    return 0;
}