*分支-12. 计算火车运行时间

  1 /*
  2  * Main.c
  3  * B12-分支-12. 计算火车运行时间
  4  *  Created on: 2014年6月4日
  5  *      Author: Boomkeeper
  6  *
  7  ********测试未通过*******
  8  */
  9 #include <stdio.h>
 10 #include <stdlib.h>
 11 
 12 int startTime,arrTime;
 13 int *p_startTime=&startTime;
 14 int *p_arrTime=&arrTime;
 15 
 16 /*将输入时间全部转化成分钟，再做时间差，算出运行的分钟数*/
 17 int changeMinute(int *time)
 18 {
 19     //printf("\nnow changMinute() starting...\n");
 20     int hour,minute,newtime;
 21 
 22     hour=*time/100;
 23     minute=*time%100;
 24     newtime=hour*60+minute;
 25     //printf("now changeMinute() is closing...\n");
 26     return newtime;
 27 }
 28 
 29 /*将运行时间（分钟数）再转成hh:mm形式*/
 30 void changeHour(int *runTime)
 31 {
 32     //printf("\nnow changeHour() is starting...\n");
 33     int runTimeHour,runTimeMinute;
 34 
 35     runTimeHour=*runTime/60;
 36     //printf("runTimeHour = %i\n",runTimeHour);
 37     runTimeMinute=*runTime-runTimeHour*60;
 38     //printf("runTimeMinute = %i\n",runTimeMinute);
 39 
 40     printf("%02i:%02i\n",runTimeHour,runTimeMinute);
 41     //printf("now changeHour() is closing...\n");
 42 }
 43 
 44 /*如果没有跨过半夜12点*/
 45 void inOneDay()
 46 {
 47     //printf("\nnow inOneDay() is starting ...\n");
 48     int startTimeMinute=changeMinute(p_startTime);
 49     //printf("startTimeMinute = %i\n",startTimeMinute);
 50     int arrTimeMinute=changeMinute(p_arrTime);
 51     //printf("arrTimeMinute = %i\n",arrTimeMinute);
 52     int runtime=arrTimeMinute-startTimeMinute;
 53     //printf("\nruntime in minute = %i\n",runtime);
 54     int *runTime=&runtime;
 55 
 56     changeHour(runTime);
 57     //printf("now inOneDay() is closing ...\n");
 58 
 59 }
 60 
 61 /*如果跨过半夜12点*/
 62 void inTwoDay()
 63 {
 64     //printf("\nnow inTwoDay() is starting ...\n");
 65     int startTimeMinute=changeMinute(p_startTime);
 66     //printf("startTimeMinute = %i\n",startTimeMinute);
 67     int arrTimeMinute=changeMinute(p_arrTime);
 68     //printf("arrTimeMinute = %i\n",arrTimeMinute);
 69     int runtime=24*60-(startTimeMinute-arrTimeMinute);
 70     //printf("\nruntime in minute = %i\n",runtime);
 71     int *runTime=&runtime;
 72 
 73     changeHour(runTime);
 74     //printf("now inTwoDay() is closing ...\n");
 75 }
 76 
 77 /*判断输入数据的合法性*/
 78 void judge(int *p_startTime,int *p_arrTime)
 79 {
 80     //printf("now judge() is starting...\n");
 81     if(*p_startTime<0 || *p_startTime>2359)
 82         exit(0);
 83     if(*p_arrTime<0 || *p_arrTime>2359)
 84         exit(0);
 85     if(*p_startTime == *p_arrTime)
 86     {
 87         printf("24:00\n");//这里到底算不算在同一天内？不管怎么改，测试结果仍一样
 88         exit(0);
 89     }
 90     if(*p_startTime > *p_arrTime)
 91         inTwoDay();
 92     else
 93         inOneDay();
 94     //printf("now judge() is closing...\n");
 95 }
 96 
 97 int main()
 98 {
 99     scanf("%4i %4i",p_startTime,p_arrTime);
100     //printf("get startTime=%i,arrTime=%i\n\n",*p_startTime,*p_arrTime);
101 
102     judge(p_startTime,p_arrTime);
103 
104     return 0;
105 }