C++ 字符串 13-- 18.39.结构体与函数 结构体作为函数参数、结构体作为函数返回值

#include <iostream>
#include <string>
using namespace std;
/*---------------------------------
18.39.结构体与函数
 结构体作为函数参数、结构体作为函数返回值
---------------------------------*/
struct time{
int hour;
int minute;
};
const int perhour=60;
time sum(time t1,time t2);
void show(time t);
int main()
{
time one={8,15};
time two={6,46};
time day=sum(one,two);
show(one);
show(two);
cout<<"两天的时间总计：";
show(day);
time three={2,10};
show(three);
cout<<"三天的时间总计：";
time day2=sum(day,three);
show(day2);
return 0;
}
time sum(time t1,time t2)
{
time total;
total.minute=(t1.minute+t2.minute)%perhour;
total.hour=t1.hour+t2.hour+(t1.minute+t2.minute)/perhour;
return total;
}
void show(time t)
{
cout<<"hour:"<<t.hour<<"\tminute:"<<t.minute<<endl;

}

运行结果：

hour:8  minute:15
hour:6  minute:46
两天的时间总计：hour:15 minute:1
hour:2  minute:10
三天的时间总计：hour:17 minute:11
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