题解 | #包含数字9的数#
包含数字9的数
https://www.nowcoder.com/practice/0948f4f3344c452f843afd3585dd0f8d
public class Main {
public static void main(String[] args) {
int n=0;
for (int i=1;i<=2019;i++){
String m=String.valueOf(i);
boolean l=m.contains("9");
if (l){
n++;
}
}
System.out.print(n);
}
}
