2024-3-4

Chapter1/b/b.cpp

@@ -0,0 +1,20 @@
+#include<iostream>
+using namespace std;
+
+void main()
+{
+	int i = 0, j = 0, count = 0;
+	for (i = 2; i <= 1000; i++)
+	{
+		for (j = 2; j <= i - 1; j++)
+			if (i % j == 0)
+				break;
+		if (j > i - 1)
+		{
+			cout << j << '\t';
+			count++;
+			if (count % 5 == 0) cout << endl;
+		}
+	}
+	return;
+}