main
黄海 1 year ago
parent f887e14393
commit 46f6899cad

@ -1,18 +1,11 @@
#include <bits/stdc++.h>
using namespace std;
int cnt;
bool isPrime(int x) {
for (int i = 2; i <= sqrt(x); i++)
if (x % i == 0) return false;
return true;
}
int main() {
int n, m;
cin >> n >> m;
for (int i = n; i <= m; i++)
if (isPrime(i)) cnt++;
cout << cnt << endl;
int a = INT_MAX;
cout << a << endl;
cout << a * 2 << endl;
cout << (a << 1) << endl;
cout << (a << 1 >> 1) << endl;
return 0;
}
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