整数元练习

练习内容

1000000000\n2000000000\n3000000000\n4000000000\n5000000000\n6000000000\n7000000000\n8000000000\n9000000000\n1500000000\n2500000000\n3500000000\n4500000000\n5500000000\n6500000000\n7500000000\n85000000