解密犯罪时间
标题：解密犯罪时间 | 时间限制：1秒 | 内存限制：262144K | 语言限制：不限
警察在侦破一个案件时，得到了线人给出的可能犯罪时间，形如 “HH:MM” 表示的时刻。
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String input = in.nextLine();
Set<Character> set = new HashSet<>();
// 获得构造用的数字
for (int i = 0; i < 5; i++) {
if(i != 2) set.add(input.charAt(i));
}
Character[] nums = set.toArray(new Character[0]);
int intTime = getIntTime(input);
List<String> timeList = createTime(nums);
timeList.sort((o1, o2) -> {
int i1 = getIntTime(o1);
i1 = i1 < intTime?i1 + 1439 - intTime:i1 - intTime;
int i2 = getIntTime(o2);
i2 = i2 < intTime?i2 + 1439 - intTime:i2 - intTime;
return i1 - i2;
});
if(timeList.size() > 1){
System.out.println(timeList.get(1));
}else{
System.out.println(timeList.get(0));
}
}
// 构造时间的数字，时间的数字表示
// 0000- 1439
static List<String> createTime(Character[] nums){
int l = nums.length;
List<String> list = new ArrayList<>();
for (int i = 0; i < l; i++) {
if(nums[i] - '0' <= 2){
char[] time = new char[5];
time[0] = nums[i];
for (int j = 0; j < l; j++) {
if(nums[i] - '0' <= 1 || (nums[i] == '2' && nums[j] - '0' <= 3 )){
time[1] = nums[j];
for (int k = 0; k < l; k++) {
if (nums[k] - '0' <= 5){
time[3] = nums[k];
for (int m = 0; m < l; m++) {
time[4] = nums[m];
time[2] = ':';
list.add(new String(time));
}
}
}
}
}
}
}
return list;
}
static int getIntTime(String strTime){
String[] temp = strTime.split(":");
return Integer.parseInt(temp[0]) * 60 + Integer.parseInt(temp[1]);
}
}
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Scanner;
public class Main {
// 时间转化字符串为时间时间对象
public static Date toDate(String hour, String minute) {
Integer iHour = Integer.parseInt(hour);
Integer iMinute = Integer.parseInt(minute);
if (iHour >= 24 || iMinute > 60) {
return null;
}
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR_OF_DAY, iHour);
calendar.set(Calendar.MINUTE, iMinute);
return calendar.getTime();
}
// 判断时间是否满足要求
public static boolean isExists(String key, char c) {
return key.indexOf(c) != -1;
}
// 对输入时间数字排序
public static String getKey(String hour, String minute) {
String sKey = hour + minute;
char[] ss = sKey.toCharArray();
// 数字进行排序
Arrays.sort(ss);
return String.valueOf(ss);
}
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String str = scanner.nextLine();
// 截取时间和分钟部分
String[] input = str.split(":");
String sHour = input[0];
String sMinute = input[1];
String sKey = getKey(sHour, sMinute);
Date bTime = toDate(sHour, sMinute);
Date eTime = null;
// 格式化时间格式
SimpleDateFormat ft = new SimpleDateFormat("HH:mm");
for (int i = 0; i < sKey.length(); ++i) {
StringBuilder minute = new StringBuilder(sMinute);
minute.setCharAt(1, sKey.charAt(i));
// 时间转换
Date time = toDate(sHour, minute.toString());
if (time != null && time.compareTo(bTime) == 1 && !str.equals(ft.format(time))) {
if (eTime == null || time.compareTo(eTime) == -1) {
eTime = time;
}
}
}
if (null != eTime) {
System.out.println(ft.format(eTime));
return;
}
for (int i = 0; i < sKey.length(); ++i) {
if (sKey.charAt(i) > sMinute.charAt(0)) {
StringBuilder minute = new StringBuilder(sMinute);
minute.setCharAt(0, sKey.charAt(i));
minute.setCharAt(1, sKey.charAt(0));
// 结束时间
eTime = toDate(sHour, minute.toString());
break;
}
}
if (null != eTime) {
System.out.println(ft.format(eTime));
return;
}
for (int i = 0; i < sKey.length(); ++i) {
if (sKey.charAt(i) > sHour.charAt(1)) {
StringBuilder hour = new StringBuilder(sHour);
hour.setCharAt(1, sKey.charAt(i));
// 拼接结束时间
eTime = toDate(hour.toString(), sKey.charAt(0) + "" + sKey.charAt(0));
break;
}
}
if (null != eTime) {
System.out.println(ft.format(eTime));
return;
}
for (int i = 0; i < sKey.length(); ++i) {
if (sKey.charAt(i) > sHour.charAt(0)) {
StringBuilder hour = new StringBuilder(sHour);
hour.setCharAt(0, sKey.charAt(i));
hour.setCharAt(1, sKey.charAt(0));
eTime = toDate(hour.toString(), sKey.charAt(0) + "" + sKey.charAt(0));
break;
}
}
if (null != eTime) {
System.out.println(ft.format(eTime));
return;
}
eTime = toDate(sKey.charAt(0) + "" + sKey.charAt(0), sKey.charAt(0) + "" + sKey.charAt(0));
System.out.println(ft.format(eTime));
}
}
import java.util.Scanner;
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String str = sc.nextLine();
System.out.println( nextTime(str));
}
public static String nextTime(String time){
String[] arr = time.split(":");
Set<Character> set = new HashSet();
set.add(arr[0].charAt(0));
set.add(arr[0].charAt(1));
set.add(arr[1].charAt(0));
set.add(arr[1].charAt(1));
int hour = Integer.valueOf(arr[0]);
int minute = Integer.valueOf(arr[1]);
int min = minute+ hour*60;
for(int i = min+1; i< min+24*60; i++){
String newHour = ""+(i%(24*60))/60;
if(newHour.length() == 1){
newHour = "0" + newHour;
}
String newMinute = ""+(i%(24*60))%60;
if(newMinute.length() == 1){
newMinute = "0" + newMinute;
}
if(set.contains(newMinute.charAt(0)) && set.contains(newMinute.charAt(1))
&& set.contains(newHour.charAt(0)) && set.contains(newHour.charAt(1))){
return newHour+ ":" +newMinute;
}
}
return null;
}
}
