int?main(int?argv,char?*argc[]){
int?i;
double?s;
for(s=0.0,i=1;i<1001;i++)
if(i%3==0?||?i%7==0)
s+=1.0/i;
printf("The?result?are?%.5f\n",s);
return?0;
}
運行結果: