题解 | #进制转换#
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String str = in.nextLine();
str = str.substring(2);
int sum=0;
for(int i=0;i<str.length();i++){
if(str.charAt(i)>='A' && str.charAt(i)<='F'){
sum = sum*16 + (str.charAt(i) -'A'+10);
} else {
sum = sum*16 + str.charAt(i) - '0';
}
}
System.out.println(sum);
}
}
