Submission #219325

#	Time	Username	Problem	Language	Result	Execution time	Memory
219325		NONAME	Datum (COCI20_datum)	C++17	50 / 50	793 ms	632 KiB

datum

#include <bits/stdc++.h>
#include <time.h>
//#include <random>
//#ifndef _LOCAL
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
//#endif
#define sz(x) int(x.size())
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#define N 2 * 100500
#define oo ll(1e16)
#define pii pair <int, int>
#define pll pair <ll, ll>
#define ft first
#define sd second
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define el '\n'
#define elf endl
#define base ll(1e9 + 7)
#define re return
#define nins 4294967295
using namespace std;
typedef long long ll;
typedef long double ld;

//mt19937 rnd(0);

int n;

int to_int(string t) {
    int k = 0;
    for (int i = 0; i < sz(t); i++)
        (k *= 10) += (t[i] - '0');
    return k;
}

//string to_str(int k) {
//    string rs = "";
//    while (k > 0) {
//        rs = "" + char(k - '0') + rs;
//        k /= 10;
//    }
//    while (sz(rs) < 4) rs = "0" + rs;
//    return rs;
//}

bool gd(int d, int m, int y) {
    int months[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

    m--;

    return (d > 0) && (m >= 0) && (m < 12) && (d <= months[m] + (m == 1 && ((y % 4) == 0)));
}

void solve() {
    cin >> n;
    for (int i = 0; i < n; i++) {
        string s;

        cin >> s;
        s.erase(sz(s) - 1, 1);

        string ss = "";
        ss = s.substr(0, 2);
        int fd = to_int(ss);
        ss = s.substr(3, 2);
        int fm = to_int(ss);
        ss = s.substr(6, 4);
        int fy = to_int(ss);

        reverse(s.begin(), s.end());

        ss = s.substr(0, 2);
        int d = to_int(ss);
        ss = s.substr(2, 2);
        int m = to_int(ss);
        int y = fy;


        if (y >= fy && (m > fm || (m == fm && d > fd)) && (gd(d, m, y))) {
            if (d < 10) cout << 0;
            cout << d << '.';
            if (m < 10) cout << 0;
            cout << m << '.';
            if (y < 10) cout << "000"; else
            if (y < 100) cout << "00"; else
            if (y < 1000) cout << "0";
            cout << y << '.' << el;
            continue;
        }

        while (1) {
            fy++;

            string t = to_string(fy);
            while (sz(t) < 4)
                t = "0" + t;

            reverse(t.begin(), t.end());

            ss = t.substr(0, 2);
            int d = to_int(ss);
            ss = t.substr(2, 2);
            int m = to_int(ss);

            if (gd(d, m, fy)) {
                if (d < 10) cout << 0;
                cout << d << '.';
                if (m < 10) cout << 0;
                cout << m << '.';
                if (fy < 10) cout << "000"; else
                if (fy < 100) cout << "00"; else
                if (fy < 1000) cout << "0";
                cout << fy << '.' << el;
                break;
            }
        }
    }
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    #ifdef _LOCAL
        in("input.txt");

        int t = 1;
//        cin >> t;
        for (int i = 1; i <= t; i++) {
            cout << "Test #" << i << elf;

            clock_t start_time = clock();

            solve();

            cerr.precision(4); cerr << fixed;
            cerr << elf;
            cerr << "Time :: " << ld(clock() - start_time) / CLOCKS_PER_SEC << elf;

            cout << elf;
        }
    #else
        int t = 1;
//        cin >> t;

        while (t--) {
            solve();
            cout << el;
        }
    #endif
}

• Subtask 1: 50 / 50