Submission #410225

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Source Code Expand

import java.util.Arrays;
import java.util.Scanner;

public class Main {
	MyScanner sc = new MyScanner();
	Scanner sc2 = new Scanner(System.in);
	long start = System.currentTimeMillis();
	long fin = System.currentTimeMillis();
	final int MOD = 1000000000;
	int[] dx = { 1, 0, 0, -1 };
	int[] dy = { 0, 1, -1, 0 };

	void run() {
		int n = sc.nextInt();
		String[][] in = new String[n][2];
		for (int i = 0; i < n; i++) {
			in[i] = sc.next().split("-");
		}
		int[] time = new int[1441]; // 1640 = 24 * 60
		for (int i = 0; i < in.length; i++) {
			int s = Integer.valueOf(in[i][0]) / 100 * 60
					+ Integer.valueOf(in[i][0]) % 100;
			int t = Integer.valueOf(in[i][1]) / 100 * 60
					+ Integer.valueOf(in[i][1]) % 100;

			int r = s % 10;
			if (r != 0 && r != 5) {
				if (r < 5) {
					s -= r;
				} else {
					s -= r;
					s += 5;
				}
			}
			r = t % 10;
			if (r != 0 && r != 5) {
				if (r < 5) {
					t -= r;
					t += 5;
				} else {
					t -= r;
					t += 10;
				}
			}
			for (int j = s; j <= t; j++) {
				time[j]++;
			}
		}
		for (int i = 0; i < time.length; i++) {
			if (time[i] != 0) {
				int s = i;
				int t = 0;
				while (i < time.length && time[i] != 0) {
					i++;
				}
				t = i - 1;
				String from = "";
				String to = "";
				from += s / 60 < 10 ? "0" + s / 60 : s / 60;
				from += s % 60 < 10 ? "0" + s % 60 : s % 60;
				to += t / 60 < 10 ? "0" + t / 60 : t / 60;
				to += t % 60 < 10 ? "0" + t % 60 : t % 60;
				System.out.println(from + "-" + to);
			}
		}
	}

	public static void main(String[] args) {
		new Main().run();
	}

	void debug(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}

	void debug2(char[][] array) {
		for (int i = 0; i < array.length; i++) {
			for (int j = 0; j < array[i].length; j++) {
				System.out.print(array[i][j]);
			}
			System.out.println();
		}
	}

	boolean inner(int h, int w, int limH, int limW) {
		return 0 <= h && h < limH && 0 <= w && w < limW;
	}

	void swap(int[] x, int a, int b) {
		int tmp = x[a];
		x[a] = x[b];
		x[b] = tmp;
	}

	// find minimum i (a[i] >= border)
	int lower_bound(int a[], int border) {
		int l = -1;
		int r = a.length;
		while (r - l > 1) {
			int mid = (l + r) / 2;
			if (border <= a[mid]) {
				r = mid;
			} else {
				l = mid;
			}
		}
		// r = l + 1
		return r;
	}

	boolean palindrome(String s) {
		for (int i = 0; i < s.length() / 2; i++) {
			if (s.charAt(i) != s.charAt(s.length() - 1 - i)) {
				return false;
			}
		}
		return true;
	}

	class MyScanner {
		int nextInt() {
			try {
				int c = System.in.read();
				while (c != '-' && (c < '0' || '9' < c))
					c = System.in.read();
				if (c == '-')
					return -nextInt();
				int res = 0;
				do {
					res *= 10;
					res += c - '0';
					c = System.in.read();
				} while ('0' <= c && c <= '9');
				return res;
			} catch (Exception e) {
				return -1;
			}
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		String next() {
			try {
				StringBuilder res = new StringBuilder("");
				int c = System.in.read();
				while (Character.isWhitespace(c))
					c = System.in.read();
				do {
					res.append((char) c);
				} while (!Character.isWhitespace(c = System.in.read()));
				return res.toString();
			} catch (Exception e) {
				return null;
			}
		}

		int[] nextIntArray(int n) {
			int[] in = new int[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextInt();
			}
			return in;
		}

		int[][] nextInt2dArray(int n, int m) {
			int[][] in = new int[n][m];
			for (int i = 0; i < n; i++) {
				in[i] = nextIntArray(m);
			}
			return in;
		}

		double[] nextDoubleArray(int n) {
			double[] in = new double[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextDouble();
			}
			return in;
		}

		long[] nextLongArray(int n) {
			long[] in = new long[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextLong();
			}
			return in;
		}

		char[][] nextCharField(int n, int m) {
			char[][] in = new char[n][m];
			for (int i = 0; i < n; i++) {
				String s = sc.next();
				for (int j = 0; j < m; j++) {
					in[i][j] = s.charAt(j);
				}
			}
			return in;
		}
	}
}

Submission Info

Judge Result