ADD file via upload

判断素数.cpp

@@ -0,0 +1,26 @@
+#include <stdlib.h>
+#include <stdio.h>
+# include<math.h>
+void is_prime(int n)
+{
+ int i = 2;   //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1>
+ while (i <= sqrt(n))
+ {
+  if (n%i == 0)
+  {
+   printf("\n %d<><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n", n);
+   break;  //<2F><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>whileѭ<65><D1AD>
+  }
+  i++;
+ }
+ if(i > sqrt(n))
+    printf("\n %d<><64><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n", n);
+}
+int main()
+{
+ int a = 9;
+// printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>жϵ<D0B6><CFB5><EFBFBD><EFBFBD><EFBFBD>");
+// scanf("%d", &a);
+ is_prime(a);
+ return 0;
+}