c語言judge

① C語言函數判斷素數

#include<stdio.h>
#include<math.h>

intjugde(intx)
{
inti;
if(x<2)
return0;

for(i=2;i<=sqrt(x);++i)
if(x%i==0)
return0;

return1;
}

intmain()
{
inti;
for(i=101;i<1000;i+=2)
if(jugde(i)==1)
printf("%d",i);

return0;
}