Submission #1498702

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Source Code Expand

#include "bits/stdc++.h"
#include <regex>
#define _USE_MATH_DEFINES
#include <math.h>

using namespace std;

#ifndef _DEBUG
#define main_ main
#endif
#define FOR(i,s,e) for (int i = int(s); i < int(e); ++i)
#define REP(i,e) FOR(i,0,e)
#define INF (INT_MAX/2)
#define EPS (1.0e-8)
#define LINF (LONG_MAX/2)

typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<bool> vb;
typedef vector<string> vs;

template <typename T>
using keyVal = pair<string, T>;
template<typename T>
bool val_greater(const keyVal<T>& left, const keyVal<T>& right) {
	return left.second > right.second;
}

vs split(string str, char sep) {
	vs v; stringstream ss(str); string t;
	while (getline(ss, t, sep)) v.push_back(t);
	return v;
}

void init_global() {}

int main_() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	int N; cin >> N;
	vi S, E;
	string t;
	FOR(i, 0, N) {
		cin >> t;
		int s = stoi(t.substr(0, 2)) * 60 + stoi(t.substr(2, 2));
		s -= s % 5;
		S.push_back(s);

		int e = stoi(t.substr(5, 2)) * 60 + stoi(t.substr(7, 2));
		if (e % 5 != 0) e += (5 - e%5);		
		E.push_back(e);
	}

	const int XMAX = 60*24+1;
	vi x(XMAX+4, 0);
	FOR(i, 0, N) {
		x[S[i]]++;
		x[E[i]]--;
	}

	FOR(i, 0, XMAX) {
		x[i + 1] += x[i];
	}

	FOR(i, 0, XMAX) {
		int s;
		if (x[i] > 0) s = i;
		else continue;

		int j = s;
		while (x[j] > 0) j++;			
		int e = j;
		
		printf("%02d%02d-%02d%02d\n", 
			s / 60, s % 60, e / 60, e % 60);

		i = j;
	}
	return 0;
}

Submission Info

Judge Result