90求助

#include<iostream>
#include<cstdlib>
#include<ctime>
const int MAXN=214748364;
using namespace std;
int a[MAXN];
void fill_randint(int a[],int cnt){//插入cnt个随机数到数组a
	for(int i=1;i<=cnt;i++){
		a[i]=rand();
	}
}
int randint(int n){
	return (rand()%(n+1));
}
int main(){
	srand((unsigned)time(NULL));
	fill_randint(a,100000);
	cout<<randint(10);
	return 0;
}