Submission #1869514

---

Source Code Expand

#include <iostream>
#include <string>
using namespace std;
#define MAX 24 * 60 + 2

bool rain[MAX];

int num(char c) {
    return c - '0';
}

int main() {
    fill(rain, rain + MAX, false);
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        int first = num(s[0]) * 600;
        first += num(s[1]) * 60;
        first += num(s[2]) * 10;
        first += num(s[3]);
        if (first % 5) {
            if (first % 10 > 5) first -= first % 10 - 5;
            else first -= first % 10;
        }
        int second = num(s[5]) * 600;
        second += num(s[6]) * 60;
        second += num(s[7]) * 10;
        second += num(s[8]);
        if (second % 5) {
            if (second % 10 > 5) second += 10 - second % 10;
            else second += 5 - second % 10;
        }
        for (int i = first; i <= second; i++) {
            rain[i] = true;
        }
    }

    int f, se;
    for (int i = 0; i + 1 < MAX; i++) {
        if (i == 0) {
            if (rain[i]) f = i;
            continue;
        }
        if (!rain[i - 1] && rain[i]) f = i;
        if (rain[i] && !rain[i + 1]) {
            se = i;
            cout << f / 600;
            cout << (f % 600) / 60;
            cout << (f % 60) / 10;
            cout << f % 10;
            cout << "-";
            cout << se / 600;
            cout << (se % 600) / 60;
            cout << (se % 60) / 10;
            cout << se % 10;
            cout << endl;
        }
    }
}

Submission Info

Judge Result