1006. Sign In and Sign Out

 1 #include <stdio.h>
 2 #include <algorithm>
 3 #include <iostream>
 4 #include <string.h>
 5 using namespace std;
 6  
 7 struct stu
 8 {
 9     char ID[16];
10     int GetTime[3];
11     int LeaveTime[3];
12 };
13  
14 stu Student[101];
15  
16  
17  
18 int main()
19 {
20     int n,i,j;
21        int m;
22     while(scanf("%d",&m)!=EOF)
23     {
24         
25          
26             
27             for(j=0;j<m;j++)
28             {
29                 scanf("%s %d:%d:%d %d:%d:%d",Student[j].ID,&Student[j].GetTime[0],&Student[j].GetTime[1],&Student[j].GetTime[2],&Student[j].LeaveTime[0],&Student[j].LeaveTime[1],&Student[j].LeaveTime[2]);
30             }
31  
32             int GetHour,GetMin,GetSec,LeaveHour,LeaveMin,LeaveSec;
33  
34             GetHour=GetMin=GetSec=50;
35             LeaveHour=LeaveHour=LeaveSec=-1;
36  
37             int OpenMan,CloseMan;
38  
39             for(j=0;j<m;j++)
40             {
41                 if(Student[j].GetTime[0]<GetHour)
42                 {
43                     GetHour=Student[j].GetTime[0];
44                     OpenMan=j;
45                 }
46                 else if(Student[j].GetTime[0]==GetHour)
47                 {
48                     if(Student[j].GetTime[1]<GetMin)
49                     {
50                         GetMin=Student[j].GetTime[1];
51                         OpenMan=j;
52                     }
53                     else if(Student[j].GetTime[1]==GetMin)
54                     {
55                         if(Student[j].GetTime[2]<GetSec)
56                         {
57                             GetSec=Student[j].GetTime[2];
58                             OpenMan=j;
59                         }
60                     }
61                 }
62  
63  
64                 if(Student[j].LeaveTime[0]>LeaveHour)
65                 {
66                     LeaveHour=Student[j].LeaveTime[0];
67                     CloseMan=j;
68                 }
69                 else if(Student[j].LeaveTime[0]==LeaveHour)
70                 {
71                     if(Student[j].LeaveTime[1]>LeaveMin)
72                     {
73                         LeaveMin=Student[j].LeaveTime[1];
74                         CloseMan=j;
75                     }
76                     else if(Student[j].LeaveTime[1]==LeaveMin)
77                     {
78                         if(Student[j].LeaveTime[2]>LeaveSec)
79                         {
80                             LeaveSec=Student[j].LeaveTime[2];
81                             CloseMan=j;
82                         }
83                     }
84                 }
85             }
86  
87  
88             printf("%s %s\n",Student[OpenMan].ID,Student[CloseMan].ID);
89         
90     }
91     return 0;
92 }