开小了数组就全RE,开大了就编译失败,我人傻了
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开小了数组就全RE,开大了就编译失败,我人傻了
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mrHCT楼主2022/12/5 20:32
#include<iostream>
#include<cstdio>
using namespace std;
bool prime[100000005]={1,1,0};
int mprime[1000000];
int k;
int m;
int n;
int q;
int main()
{
    
    scanf("%d",&n);
    scanf("%d",&q);
    for(int i=2;i<=n;i++)
    {
        if(prime[i]==0)
        mprime[++k]=i;
        for(int j=1;j<=k&&mprime[j]*i<n;j++)
        {
            prime[mprime[j]*i]=1;
            if(i%mprime[j]==0)break;
        }
        
        
    }
    
    for(int i=1;i<=q;i++)
    {
        scanf("%d",&m);
        printf("%d\n",mprime[m]);
        
        
    }
    
    
    
    return 0;
}



2022/12/5 20:32
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