Submission #242653

#	Time	Username	Problem	Language	Result	Execution time	Memory
242653		Vimmer	Tavan (COCI16_tavan)	C++14	80 / 80	5 ms	384 KiB

tavan

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 200101
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef short int si;
typedef array <int, 2> a2;

//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;



int main()
{
    //freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n, m, k, x;

    cin >> n >> m >> k >> x;

    string s;

    cin >> s;

    vector <char> a[m];

    for (int i = 0; i < m; i++) {a[i].resize(k); for (int j = 0; j < k; j++) {cin >> a[i][j]; if (0 <= a[i][j] - 'A' && a[i][j] - 'A' < 26) a[i][j] = char('a' + a[i][j] - 'A'); }sort(a[i].begin(), a[i].end());}

    int ps[m];

    for (int i = 0; i < m; i++) ps[i] = 0;

    ll sm = 1, i;

    for (i = m - 1; i >= 0; i--)
    {
        sm *= k;

        if (sm >= x) break;
    }

    ll pos = 1;

    for (; i < m; i++)
    {
        sm /= k;

        while (pos + sm <= x && ps[i] + 1 < k) {pos += sm; ps[i]++;}
    }

    string ans = s;

    int j = 0;

    for (int i = 0; i < m; i++)
    {
        while (ans[j] != '#') j++;

        ans[j] = a[i][ps[i]];

        j++;
    }

    cout << ans << endl;
}

• Subtask 1: 80 / 80