解题思路:
注意事项:
参考代码
import java.util.Scanner;
public class Main {
public static void main(String []args) {
// TODO Auto-generated method stub
Scanner sc=new Scanner(System.in );
//System.out.println("请输入时间(以秒为单位)");
int t=0,H,M,S,sum;
t=sc.nextInt();
if(t>=0 || t<=86399){
S=t%60;
M=(t-S)/60%60;
H=(t-M)/3600;
System.out.println(H+":"+M+":"+S);
}
}
}
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