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为啥用的哈希过不了?求大神解答!(代码附上)

Posted by 201530122007 at 2016-07-17 20:44:55 on Problem 3320
//别告诉我数组开小了?!
#include<iostream>
#include<stdio.h>
#include<string.h>
#define SIZE 10000000
using namespace std;
bool Hash[SIZE];
int main()
{
    long long n;
    while(cin>>n)
    {
    long long sol=0;
    memset(Hash,0,sizeof(Hash));
    while(n--)
    {
        long long a;
        scanf("%lld",&a);
        if(Hash[a])continue;
        else Hash[a]=1;
        sol++;
    }
    cout<<sol<<endl;
    }
    return 0;
}

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