# include & ltcstdlib & gt
# include & ltiostream & gt
使用命名空間std
int main(int argc,char *argv[])
{
int I;
int a,b,c,d,s = 0;
for(I = 1;我& lt=9999;i++)
{
if(i%7==0)
{ a = I/1000;
b = I/100% 10;
c = I/10% 10;
d = I % 10;
if(a==5||b==5||c==5||d==5)
{ s++;if(s % 5 = = 0)cout & lt;& ltendlcout & lt& lt我& lt& lt" ";}
}
}
系統(“暫停”);
返回EXIT _ SUCCESS
}