穷举1-100素数

发表于2020年2月5日由daizao 
vim test.c
#include<stdio.h>

int main()
{
        int i=1,j=1;
        int num=0;
        for (i=1;j<=100;i++)
        {
                num=0;
                for (j=1;j<=i;j++)
                {
                        if(i%j==0)
                        {
                                num=num+1;
                        }
                }
                if (num==2)
                {
                        printf("素数:%d\n",i);
                }
        }
} 

gcc test.c
./a.out
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