Submission #219331

#	Time	Username	Problem	Language	Result	Execution time	Memory
219331		kartel	Datum (COCI20_datum)	C++14	40 / 50	949 ms	648 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;

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;
    cin >> q;
    while (q--)
    {
        string s, t, m, y, d;
        int i, j, Y, D, M, M1;
        cin >> s;

        t = s;
        t.erase(t.size() - 1);
        t.erase(2, 1);
        t.erase(4, 1);
        M1 = atoi(t.substr(2, 2).c_str());

        j = 0;
        while (j < t.size() - j - 1) t[j] = t[t.size() - j - 1], j++;

        m = t.substr(2, 2);
        d = t.substr(0, 2);
        y = t.substr(4);

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

        if (D > 0 && M >= M1)
        {
            if (m == "01" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
            if ((m == "02" && D <= 28) || (Y % 4 == 0 && m == "02" && D <= 29)) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "03" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "04" && D <= 30) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "05" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "06" && D <= 30) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "07" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "08" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "09" && D <= 30) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "10" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "11" && D <= 30) {cout << d << "." << m << "." << y << "." << el;continue;};
            if (m == "12" && D <= 31) {cout << d << "." << m << "." << y << "." << el;continue;};
        }

        for (i = 0; i < 3000; i++)
        {
            j = t.size() - 1;
            while (t[j] == '9') t[j] = '0', j--;
            t[j]++;

            j = 0;
            while (j < t.size() - j - 1) t[j] = t[t.size() - j - 1], j++;

            m = t.substr(2, 2);
            d = t.substr(0, 2);
            y = t.substr(4);

            Y = atoi(y.c_str());
            D = atoi(d.c_str());

            if (D == 0) continue;

            if (m == "01" && D <= 31) break;
            if ((m == "02" && D <= 28) || (Y % 4 == 0 && m == "02" && D <= 29)) break;
            if (m == "03" && D <= 31) break;
            if (m == "04" && D <= 30) break;
            if (m == "05" && D <= 31) break;
            if (m == "06" && D <= 30) break;
            if (m == "07" && D <= 31) break;
            if (m == "08" && D <= 31) break;
            if (m == "09" && D <= 30) break;
            if (m == "10" && D <= 31) break;
            if (m == "11" && D <= 30) break;
            if (m == "12" && D <= 31) break;
        }
        cout << d << "." << m << "." << y << "." << el;
    }
}

Compilation message (stderr)

datum.cpp: In function 'int main()':
datum.cpp:49:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (j < t.size() - j - 1) t[j] = t[t.size() - j - 1], j++;
                ~~^~~~~~~~~~~~~~~~~~
datum.cpp:82:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while (j < t.size() - j - 1) t[j] = t[t.size() - j - 1], j++;
                    ~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 40 / 50