Submission #219346

#	Time	Username	Problem	Language	Result	Execution time	Memory
219346		kartel	Datum (COCI20_datum)	C++14	40 / 50	703 ms	504 KiB

datum

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O3")
#define F first
#define S second
#define pb push_back
#define N +400500
//#define M ll(1e9 + 7)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e18)
#define el '\n'
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less_equal <int> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef long double ld;

string da, ma, ya;
int ds, ys, ms, Y, M, D;
string y, d, m;

bool gd(int Y)
{
    y = to_string(Y);
    while (y.size() < 4) y = "0" + y;

    d[0] = y[3];
    d[1] = y[2];
    m[0] = y[1];
    m[1] = y[0];

    M = atoi(m.c_str());
    D = atoi(d.c_str());

    if (M > 12 || D > 31) return 0;
    if (D == 0 || M == 0) return 0;
    if (Y == ys && M < ms) return 0;
    if (Y == ys && M == ms && D < ds) return 0;
    if (m == "01" && D <= 31) return 1;
    if ((Y % 4 && m == "02" && D <= 28) || (Y % 4 == 0 && m == "02" && D <= 29)) return 1;
    if (m == "03" && D <= 31) return 1;
    if (m == "04" && D <= 30) return 1;
    if (m == "05" && D <= 31) return 1;
    if (m == "06" && D <= 30) return 1;
    if (m == "07" && D <= 31) return 1;
    if (m == "08" && D <= 31) return 1;
    if (m == "09" && D <= 30) return 1;
    if (m == "10" && D <= 31) return 1;
    if (m == "11" && D <= 30) return 1;
    if (m == "12" && D <= 31) return 1;

    return 0;
}

int main()
{
    srand(time(0));
    ios_base::sync_with_stdio(0);
    iostream::sync_with_stdio(0);
    ios::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
//    in("qual.in");
//    out("qual.out");
    int q;
    string s, t;
    cin >> q;
    d = "00";
    m = "00";
//    cout << el;

    while (q--)
    {
        cin >> s;

        t = s;
        t.erase(t.size() - 1);
        t.erase(2, 1);
        t.erase(4, 1);

        ms = atoi(t.substr(2, 2).c_str());
        ds = atoi(t.substr(0, 2).c_str());
        ys = atoi(t.substr(4).c_str());
        Y = ys;

        while (!gd(Y)) Y++;

        y = to_string(Y);

        while (y.size() < 4) y = "0" + y;

        d[0] = y[3];
        d[1] = y[2];
        m[0] = y[1];
        m[1] = y[0];

        cout << d << "." << m << "." << y << "." << el;
    }
}

• Subtask 1: 40 / 50