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python/C++课程/习题训练/开灯问题.cpp

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2025-08-30 18:35:01 +08:00
#include<bits/stdc++.h>
using namespace std;
#define MAX 1000+10
int a[MAX];
int main()
{
int i, j, n, k;
memset(a, 0, sizeof(a));
scanf("%d%d", &n, &k);
for(i = 1; i <= k; i++)
for(j = 1; j <= n; j++)
if(j%i == 0) a[j] = !a[j];
for(i = 1; i <= n; i++) if(a[i])
{
if(i == n) printf("%d\n", i);
else printf("%d ", i);
}
return 0;
}