Mega Code Archive
Use map to store the value of the month name and its day number
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#include <map>
#include <iostream>
#include <string>
using namespace std;
class ltstr{
public:
bool operator()(const char* s1, const char* s2) const
{ return (strcmp(s1, s2) < 0);}
};
int main(void)
{
map<const char*, int, ltstr> months;
months["January"] = 31;
months["February"] = 28;
months["March"] = 31;
months["April"] = 30;
months["May"] = 31;
months["June"] = 30;
months["July"] = 31;
months["August"] = 31;
months["September"] = 30;
months["October"] = 31;
months["November"] = 30;
months["December"] = 31;
cout << "june -> " << months["June"] << endl;
map<const char*, int, ltstr>::iterator cur = months.find("June");
map<const char*, int, ltstr>::iterator prev = cur;
map<const char*, int, ltstr>::iterator next = cur;
++next;
--prev;
cout << "Previous (in alphabetical order) is " << (*prev).first << endl;
cout << "Next (in alphabetical order) is " << (*next).first << endl;
}
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