题解 | #包含数字9的数#
包含数字9的数
http://www.nowcoder.com/practice/0948f4f3344c452f843afd3585dd0f8d
int main()
{
int i = 0;
int count = 0;
for (i = 9; i <= 2019; i++)
{
int t = i;
while (t)
{
if (t % 10 == 9)
{
count++;
break;
}
t = t / 10;
}
}
printf("%d\n", count);
return 0;
}
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