Cod sursa(job #1829110)

Utilizator AlexNiuclaeNiculae Alexandru Vlad AlexNiuclae Data 14 decembrie 2016 13:44:13
Problema Ghiozdan Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 2 kb
#include <bits/stdc++.h>

using namespace std;

const int v_max = 2e2;
const int vmax = 2e2 + 10;
const int gmax = 75e3 + 10;

const int inf = 2e4 + 10;

int n, g;
int nr[vmax];
int dp[gmax][vmax], used[gmax][vmax];

vector < int > ans;

void input() {
    scanf("%d %d", &n, &g);
    for (int i = 1; i <= n; ++i) {
        int x; scanf("%d", &x);
        nr[x]++;
    }
}

int get_dp(int p, int i, int val) {
    int k = (i - p) / val;
    return dp[i-k*val][val-1];
}

void update_ans(int i, int val, int p) {
    int k = (i - p) / val;
    if (dp[i-k*val][val-1] == inf) return;

    dp[i][val] = dp[i-k*val][val-1] + k;
    used[i][val] = k;
}

void compute_dp() {
    for (int i = 0; i <= g; ++i) for (int val = 0; val <= v_max; ++val) dp[i][val] = inf;

    dp[0][0] = 0;
    for (int val = 1; val <= v_max; ++val) { //gap = val
        //if (nr[val] == 0) continue;

        for (int r = 0; r < val; ++r) {
            deque < int > dq;
            for (int i = r; i <= g; i += val) {
                if ((int)dq.size() && (i - dq.front()) / val == nr[val] + 1)
                    dq.pop_front();
                while ((int)dq.size() && dp[i][val-1] < get_dp(dq.back(), i, val))
                    dq.pop_back();
                dq.push_back(i);

                if ((int)dq.size())
                    update_ans(i, val, dq.front());
            }
        }
    }
}

void get_ans() {
    int i; for (i = g; dp[i][v_max] == inf; --i);
    for (int val = v_max; val ; --val) {
        for (int j = 1; j <= used[i][val]; ++j)
            ans.push_back(val);
        i -= used[i][val] * val;
    }
}

void solve() {
    compute_dp();
    get_ans();
}

void output() {
    int i; for (i = g; dp[i][v_max] == inf; --i);
    printf("%d %d\n", i, dp[i][v_max]);
    for (auto &it : ans) printf("%d\n", it);
}

int main()
{
    freopen("ghiozdan.in","r",stdin);
    freopen("ghiozdan.out","w",stdout);

    input();
    solve();
    output();

    return 0;
}