素数判定
问题描述：
素数判定
Time Limit:2000/1000 MS (Java/Others) Memory Limit:65536/32768 K (Java/Others)
Total Submission(s):35856 Accepted Submission(s):12322
Problem Description
对于表达式n^2+n+41,当n在（x,y）范围内取整数值时（包括x,y）(-39
答
for(p=0;p