'commit'

TangDou/XiTi/1052.cpp

@@ -0,0 +1,23 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int n;
+    cin >> n;
+    if (n < 2) {
+        cout << "not prime" << endl;
+        return 0;
+    }
+    bool isPrime = true;
+    for (int i = 2; i < n / 2; i++) {
+        if (n % i == 0) {
+            cout << "not prime" << endl;
+            isPrime = false;
+            break;
+        }
+    }
+    if (isPrime)
+        cout << "prime" << endl;
+    return 0;
+}