why?
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why?
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wghwgh楼主2025/2/8 11:59
#include <bits/stdc++.h>
using namespace std;
int n = 0, a, b;

int main() {
	cin >> a >> b;
	for (int i = a; i <= b; i++) {
		for (int j = 2; j < i; j++) {
			if (i % j != 0) {
				n += 1;
			}
		}
	}
	cout << n;
	return 0;
}
2025/2/8 11:59
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