/******输出素数******/
#include <stdio.h>
int main(void)
{
    int m,n,flag;
    printf("\nThe primers from 100 to 200 is:\n");
    for(n=101;n<=200;n+=2)
    {
        flag=1;
        for (m=2;m<=n\2;m++)
        {
            if(n%m==0)
            {
                flag=0;
                break;
                }
            }
            if(flag==0;
            continue;
            printf("%d,",n);
            }
            printf("\n");
                        return 0;
            }

tankyou:)verymuch!!