Submission #520240

#	Time	Username	Problem	Language	Result	Execution time	Memory
520240		KoD	Datum (COCI20_datum)	C++17	50 / 50	21 ms	528 KiB

datum

#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::tuple;
using std::pair;

int read(int len) {
    int ret = 0;
    while (len--) {
        char c;
        std::cin >> c;
        ret = 10 * ret + (c - '0');
    }
    return ret;
}

void ignore() {
    char c;
    std::cin >> c;
}

constexpr int memo[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

int main() {
    int N;
    std::cin >> N;
    vector<tuple<int, int, int>> good;
    for (int a = 0; a < 10; ++a) {
        for (int b = 0; b < 10; ++b) {
            for (int c = 0; c < 10; ++c) {
                for (int d = 0; d < 10; ++d) {
                    int year = 1000 * a + 100 * b + 10 * c + 1 * d;
                    int day = 10 * d + 1 * c;
                    int month = 10 * b + 1 * a;
                    if (month < 1 or 12 < month) {
                        continue;
                    }
                    if (day < 1 or memo[month - 1] + (year % 4 == 0 and month == 2) < day) {
                        continue;
                    }
                    good.emplace_back(year, month, day);
                }
            }
        }
    }
    while (N--) {
        int day = read(2);
        ignore();
        int month = read(2);
        ignore();
        int year = read(4);
        ignore();
        const auto [y, m, d] = *std::upper_bound(good.begin(), good.end(), std::make_tuple(year, month, day));
        std::cout << std::setw(2) << std::setfill('0') << d << '.';
        std::cout << std::setw(2) << std::setfill('0') << m << '.';
        std::cout << std::setw(4) << std::setfill('0') << y << ".\n";
    }
    return 0;
}

• Subtask 1: 50 / 50