算法提高 c++_ch04_02_修正版 時間限制：1.0s 內存限制：256.0MB【題目描述】實現一個時間類Time。將小時，分鐘和秒存儲為int型成員變量。要求該類中包含一個構造函數，訪問用的函數，一個推進當前時間的函數adv()，一個重新設置當前時間（即將當前時間設為00:00:00）的函數reset()和輸出結果函數print()。注意時間按數字式電子表格式顯示，即小時、分、秒分別用兩位表示，如果其中之一小于10，則前方補0，如22:01:00（中間不含空格），另外按該格式依次輸出時、分、秒后，以endl結尾。當輸入時間超出合法范圍（提示：注意上下界）時，請自動按照24小時制進行轉換，請務必注意時分秒為負值時的處理，如輸入25:00:61，則輸出應為01:01:01，輸入-1:-1:-1，應該輸出22:58:59。第一步：依據題意定義Time類class Time{// 請補充};第二步：利用如下測試程序對所編寫的Time類進行測試。int main(){// 當前時間int hour, minute, second;// 時間增量int incr_hr, incr_min, incr_sec;cin >> hour >> minute >> second >> incr_hr >> incr_min >> incr_sec;Time t( hour, minute, second );t.print();t.adv( incr_hr, incr_min, incr_sec );t.print();t.reset();t.print();return 0;}輸入格式輸入一行，6個int類型數字，以空格間隔。輸出格式輸出三行時間，時間格式為24小時制，xx:xx:xx，英文標點，不足兩位十位數補0。第一行為初始時間，第二行為adv()后的時間，第三行為reset()后的時間示例1輸入0 0 0 0 0 -1示例1輸出00:00:0023:59:5900:00:00示例3：示例2輸入25 63 61 0 0 1示例2輸出02:04:0102:04:0200:00:00示例3輸入-50 -24 0 50 45 90示例3輸出21:36:0000:22:3000:00:00 import java.util.Scanner;public class Main {public int hour;public int minute;public int second;Main(int hour, int minute, int second) {//獲取秒if(second >= 60) {minute += second / 60;second %= 60;this.second = second;} else if(second < 0) {int temp = second / 60;int temp1 = second % 60;if(temp1 == 0) {this.second = 0;minute += temp;} else {this.second = 60 + temp1;minute += temp - 1;}} else {this.second = second;}//獲取分鐘if(minute >= 60) {hour += minute / 60;minute %= 60;this.minute = minute;} else if(minute < 0) {int temp = minute / 60;int temp1 = minute % 60;if(temp1 == 0) {this.minute = 0;hour += temp;} else {this.minute = 60 + temp1;hour += temp - 1;}} else {this.minute = minute;}//獲取小時if(hour >= 24)this.hour = hour % 24;else if(hour < 0)this.hour = 24 + hour % 24;else this.hour = hour;}public void adv(int hour, int minute, int second) {second += this.second;//獲取要求格式秒if(second >= 60) {minute += second / 60;second %= 60;this.second = second;} else if(second < 0) {int temp = second / 60;int temp1 = second % 60;if(temp1 == 0) {this.second = 0;minute += temp;} else {this.second = 60 + temp1;minute += temp - 1;}} else {this.second = second;}minute += this.minute;//獲取要求格式分鐘if(minute >= 60) {hour += minute / 60;minute %= 60;this.minute = minute;} else if(minute < 0) {int temp = minute / 60;int temp1 = minute % 60;if(temp1 == 0) {this.minute = 0;hour += temp;} else {this.minute = 60 + temp1;hour = hour + temp - 1;}} else {this.minute = minute;}hour += this.hour;//獲取要求格式小時if(hour >= 24)this.hour = hour % 24;else if(hour < 0)this.hour = 24 + hour % 24;else this.hour = hour;}public void reset() {this.hour = 0;this.minute = 0;this.second = 0;}public void print() {if(hour >= 10)System.out.print(hour+":");else {System.out.print("0"+hour+":");}if(minute >= 10) System.out.print(minute+":");elseSystem.out.print("0"+minute+":");if(second >= 10)System.out.print(second+"\n");elseSystem.out.print("0"+second+"\n");}public static void main(String[] args) {Scanner in = new Scanner(System.in);int hour1 = in.nextInt();int minute1 = in.nextInt();int second1 = in.nextInt();int hour2 = in.nextInt();int minute2 = in.nextInt();int second2 = in.nextInt();Main test = new Main(hour1, minute1, second1);test.print();test.adv(hour2, minute2, second2);test.print();test.reset();test.print();} }

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