LQB20180航班时间（sscanf)

 1 #include <iostream>
 2 #include <set>
 3 #include <cstring>
 4 
 5 using namespace std;
 6 //快速幂运算
 7 #define MAX  59084709587505
 8 #define LL  long long
 9 
10 int Time(){
11     char line[100]={};
12     cin.getline(line,100);//getline读到换行
13     int n1,m1,s1,n2,m2,s2,h=0;
14     if(strlen(line)==17){
15         sscanf(line,"%d:%d:%d %d:%d:%d",&n1,&m1,&s1,&n2,&m2,&s2);
16 
17     }
18     else{
19         sscanf(line,"%d:%d:%d %d:%d:%d (+%d)",&n1,&m1,&s1,&n2,&m2,&s2,&h);
20     }
21     int time=h*24*3600+n2*3600+m2*60+s2-(n1*3600+m1*60+s1);//全化成秒方便计算
22     return time;
23 
24 }
25 
26 int main(){
27     int T;
28     (cin>>T).get();//把行尾的空格吃掉，要不会被getline 当成时间来读
29     for (int i = 0; i <= T; ++i) {
30         int time1=Time();
31         int time2=Time();
32         int ans=(time2+time2)/2;
33         printf("%02d:%02d:%02d\n",ans/3600,ans/60%60,ans%60);//秒化小时化分钟
34         
35     }
36 
37 
38 
39 
40 
41     }