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The time machine-时间机器计算差值（二十四小时内）
The time machine-时间机器计算差值（二十四小时内）:输入hours、minutes,1代表AM,0代表PM.
//The time machine-时间机器计算差值（二十四小时内）
#include<iostream>
int computeDifference(int startHours, int startMinutes, bool startIsAM,int endHours, int endMinutes, bool endIsAM);
int main()
{
using namespace std;
int startHours,startMinutes,endHours,endMinutes;
bool startIsAM,endIsAM;
int total_minutes;
cout<<"Please inout the start time (startHours,startMinutes,startIsAM(1:AM;0:PM)):\n";
cin>>startHours>>startMinutes>>startIsAM;
cout<<"Please inout the end time (endHours,endMinutes,endIsAM(1:AM;0:PM)):\n";
cin>>endHours>>endMinutes>>endIsAM;
total_minutes = computeDifference(startHours,startMinutes,startIsAM,endHours,endMinutes,endIsAM);
cout<<"The difference value of the two time is "<<total_minutes<<" minutes!"<<endl;
return 0;
}
int computeDifference(int startHours,int startMinutes,bool startIsAM,int endHours,int endMinutes,bool endIsAM)
{
using namespace std;
int total_minutes;
if(true == startIsAM && false == endIsAM)
{
if(startMinutes <= endMinutes)
total_minutes = (endHours - startHours)*60 + (endMinutes - startMinutes);
else
total_minutes = (endHours -1 - startHours)*60 + (endMinutes + 60 - startMinutes);
}
else if(true == startIsAM && true == endIsAM)
{
if(startHours < endHours)
{
if(startMinutes <= endMinutes)
total_minutes = (endHours - startHours)*60 + (endMinutes - startMinutes);
else
total_minutes = (endHours -1 - startHours)*60 + (endMinutes + 60 - startMinutes);
}
else if(startHours > endHours)
{
if(startMinutes >= endMinutes)
total_minutes =24*60 - (startHours - endHours)*60 + (startMinutes - endMinutes);
else
total_minutes =24*60 - (startHours -1 - endHours)*60 + (startMinutes + 60 - endMinutes);
}
else if(startHours == endHours)
{
if(startMinutes <= endMinutes)
total_minutes = (endHours - startHours)*60 + (endMinutes - startMinutes);
else
total_minutes = 24 * 60 - (startMinutes - endMinutes);
}
}
else if(false == startIsAM && false == endIsAM)
{
if(startHours < endHours)
{
if(startMinutes <= endMinutes)
total_minutes = (endHours - startHours)*60 + (endMinutes - startMinutes);
else
total_minutes = (endHours -1 - startHours)*60 + (endMinutes + 60 - startMinutes);
}
else if(startHours > endHours)
{
if(startMinutes >= endMinutes)
total_minutes =24*60 - (startHours - endHours)*60 - (startMinutes - endMinutes);
else
total_minutes =24*60 - (startHours -1 - endHours)*60 - (startMinutes + 60 - endMinutes);
}
else if(startHours == endHours)
{
if(startMinutes <= endMinutes)
total_minutes = (endHours - startHours)*60 + (endMinutes - startMinutes);
else
total_minutes = 24 * 60 - (startMinutes - endMinutes);
}
}
else if(false == startIsAM && true == endIsAM)
{
if(startMinutes >= endMinutes)
total_minutes =24*60 - (startHours - endHours)*60 - (startMinutes - endMinutes);
else
total_minutes =24*60 - (startHours -1 - endHours)*60 - (startMinutes + 60 - endMinutes);
}
return total_minutes;
}结果：
Please inout the start time (startHours,startMinutes,startIsAM(1:AM;0:PM)): 11 59 1 Please inout the end time (endHours,endMinutes,endIsAM(1:AM;0:PM)): 12 01 0 The difference value of the two time is 2 minutes! Please inout the start time (startHours,startMinutes,startIsAM(1:AM;0:PM)): 11 59 1 Please inout the end time (endHours,endMinutes,endIsAM(1:AM;0:PM)): 11 58 1 The difference value of the two time is 1439 minutes!
The time machine-时间机器计算差值（二十四小时内）
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