找很久了,也没问题呀?
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找很久了,也没问题呀?
1470759
zhangjialing1234楼主2025/1/10 22:27
#include <iostream>
using namespace std;
int a[2005];
int main(){
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++){
		a[i] = 1;
	}
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= n; j++){
			if(j % i == 0){
				if(a[i] == 1){
					a[i] = 0;
				}else if(a[i] == 0){
					a[i] == 1;
				}
			}
		}
	}
	for(int i = 1; i <= n; i++){
		if(a[i] == 0){
			cout << i << " ";
		}
	}
	return 0;
}
2025/1/10 22:27
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