Submission #332270

#	Time	Username	Problem	Language	Result	Execution time	Memory
332270		IgorI	Devil's Share (RMI19_devil)	C++17	29 / 100	80 ms	12072 KiB

devil

#include <bits/stdc++.h>

using namespace std;

string chk(string s, int k)
{
    string mx = "";
    for (int i = 0; i + k <= s.size(); i++)
        mx = max(mx, s.substr(i, k));
    return mx;
}

string solve(int c1, int c2)
{
    if (c1 == 0)
    {
        return string(c2, '2');
    }
    if (c2 % c1 == 0)
    {
        string res = "";
        for (int i = 0; i < c1; i++)
        {
            for (int j = 0; j < c2 / c1; j++)
                res += "2";
            res += "1";
        }
        return res;
    }
    vector<int> h(c1, c2 / c1);
    string g = solve(c1 - c2 % c1, c2 % c1);
    for (int i = 0; i < h.size(); i++)
    {
        if (g[i] == '2') h[i]++;
    }
    string res = "";
    for (int i = 0; i < h.size(); i++)
    {
        for (int j = 0; j < h[i]; j++)
            res += "2";
        res += "1";
    }
    return res;
}

void solve()
{
    int n = 10;
    int k = 0;
    cin >> k;
    vector<int> d(n);
    for (int i = 1; i < n; i++)
        cin >> d[i];
    if (0)
    {
        string f = string(d[1], '1') + string(d[2], '2');
        string ans = f;
        while (1)
        {
            if (chk(f, k) < chk(ans, k))
                ans = f;
            if (!next_permutation(f.begin(), f.end()))
                break;
        }
        cout << ans << "\n";
        cout << chk(ans, k) << "\n";
    }
    string ans = "";
    if (d[1] == 0)
    {
        cout << string(d[2], '2') << "\n";
        return;
    }
    string s(k - 1, '0');
    for (int i = k - 2; i >= 0; i--)
    {
        if (d[2])
            d[2]--, s[i] = '2';
        else
            d[1]--, s[i] = '1';
    }
    int c1 = d[1], c2 = d[2];

    ans = solve(c1, c2) + s;

    cout << ans << "\n";
    //cout << k << "\n";
    //cout << chk(ans, k) << "\n";
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    cin >> t;
    while (t--)
    {
        solve();
    }
}

Compilation message (stderr)

devil.cpp: In function 'std::string chk(std::string, int)':
devil.cpp:8:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (int i = 0; i + k <= s.size(); i++)
      |                     ~~~~~~^~~~~~~~~~~
devil.cpp: In function 'std::string solve(int, int)':
devil.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i = 0; i < h.size(); i++)
      |                     ~~^~~~~~~~~~
devil.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for (int i = 0; i < h.size(); i++)
      |                     ~~^~~~~~~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 14
• Subtask 3: 29 / 29
• Subtask 4: 0 / 44