imported>Unknown at 05:23, 7 February 2021

2021-02-07T05:23:40Z

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==== 소감 ====
2005/02/20 Accepted 0:00.002 64
그다지 구상이 필요없는 쉬운 문제였다. 그러나, 출력 오류 잡는데 상당한 시간을 허비했다. 01분과 1분은 분명 다르다.

==== 코드 ====
// no10191 - Longest Nap
#include <iostream>
#include <algorithm>
using namespace std;

struct Promise
{
int start;
int end;
bool operator() (const Promise & a, const Promise & b)
{
if (a.start < b.start)
return true;
else return false;
}
};

const int MAX = 100;
const int START_TIME = 10;
const int END_TIME = 18;

inline void eatline() { while (cin.get() != '\n' && cin.peek() != EOF) continue; };
int make_schedule(Promise * pro);
Promise set_naptime(const Promise * pro, const int & nPromise);
void show(const Promise & nap, const int & index);

int main()
{
Promise promise[MAX];
int i = 0;
while (cin.peek() != EOF)
{
i++;
int nPromise = make_schedule(promise);
sort(&promise[0], &promise[nPromise], Promise());
Promise nap = set_naptime(promise, nPromise);
show(nap, i);
}
return 0;
}

int make_schedule(Promise * pro)
{
int nPromise;
cin >> nPromise;
int i;
int shour, smin, ehour, emin;
for (i=0; i<nPromise; i++)
{
cin >> shour, cin.get();
cin >> smin, cin.get();
cin >> ehour, cin.get();
cin >> emin;
eatline();
pro[i].start = shour * 60 + smin;
pro[i].end = ehour * 60 + emin;
}
return nPromise;
}

Promise set_naptime(const Promise * pro, const int & nPro)
{
Promise nap;
int naptime = pro[0].start - START_TIME * 60;
nap.start = START_TIME * 60;
int i;
for (i=1; i<nPro; i++)
{
if (naptime < (pro[i].start - pro[i-1].end))
{
naptime = pro[i].start - pro[i-1].end;
nap.start = pro[i-1].end;
}
}
if (naptime < (END_TIME * 60 - pro[nPro-1].end))
{
naptime = END_TIME * 60 - pro[nPro-1].end;
nap.start = pro[nPro-1].end;
}
nap.end = nap.start + naptime;
return nap;
}

void show(const Promise & nap, const int & index)
{
cout << "Day #" << index << ": the longest nap starts at " << nap.start/60 << ":";
if (nap.start%60 < 10)
cout << "0" << nap.start%60;
else cout << nap.start%60;
cout << " and will last for ";

int during = nap.end - nap.start;
if (during >= 60)
{
cout << during/60 << " hours and " << during%60 << " minutes.\n";
}
else
cout << during << " minutes.\n";
}
----
[[LongestNap]] [[문보창]]

LongestNap/문보창 - Revision history

imported>Unknown at 05:23, 7 February 2021