6 solutions

  • 1
    @ 2025-11-30 16:27:35
    #include<bits/stdc++.h>
    using namespace std;
    int main(){
        int a[111110],n;cin>>n;
        for(int i=2;i<=n;i++) if(a[i]==0) for(int j=i*2;j<=n;j+=i) a[j]=1;
        for(int i=2;i<=n;i++) if(a[i]==0) cout<<i<<" ";}
    

    本题最短代码!!!

    Information

    ID
    62
    Time
    1000ms
    Memory
    256MiB
    Difficulty
    3
    Tags
    (None)
    # Submissions
    150
    Accepted
    61
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