| Run ID | Author | Problem | Lang | Verdict | Time | Memory | Code Length | Submit Time |
|---|---|---|---|---|---|---|---|---|
| 48630 | menziyi | 开关灯 | C++ | Accepted | 0 MS | 256 KB | 360 | 2024-06-09 18:33:17 |
#include<bits/stdc++.h> using namespace std; int main() { int n,m; cin>>n>>m; int a[5001]; for(int i=1;i<=n;i++) a[i]=-1; for(int i=2;i<=m;i++){ for(int j=2;j<=n;j++){ if(j%i==0) a[j]=-a[j]; } } int f=1; for(int i=1;i<=n;i++){ if(a[i]==-1&&f){ cout<<i; f=0; } else if(a[i]==-1&&f==0){ cout<<","<<i; } } }