Submission #988398

#	Time	Username	Problem	Language	Result	Execution time	Memory
988398		LOLOLO	Popeala (CEOI16_popeala)	C++17	0 / 100	63 ms	8596 KiB

popeala

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    (ll)__builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 2e4 + 10;
int mod = 1e9 + 7;
ll mask[N], p[N];
ll dp[51][N];

bool minimize(ll &a, ll b) {
    if (a > b) {
        a = b;
        return 1;
    }

    return 0;
}

void solve() {
    mem(dp, 0x3f);

    int n, t, s;
    cin >> n >> t >> s;

    for (int i = 1; i <= t; i++) {
        cin >> p[i];
        p[i] += p[i - 1];
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= t; j++) {
            char c;
            cin >> c;
            if (c == '1') {
                mask[j] |= ((ll)1 << (i - 1));
            }
        }
    }

    dp[0][0] = 0;
    for (int k = 1; k <= s; k++) {
        vector <pair <ll, int>> best;
        for (int i = 1; i <= t; i++) {
            vector <pair <ll, int>> nxt;

            ll all = mask[i];
            pair <ll, ll> cur;
            cur = {all, i};

            for (auto x : best) {
                pair <ll, ll> temp = x;
                temp.f &= all;
                if (temp.f != cur.f) {
                    nxt.pb(cur);
                    cur = temp;
                } else {
                    if (dp[k - 1][cur.s - 1] + (p[i] - p[cur.s - 1]) * cntbit(cur.f) > dp[k - 1][temp.s - 1] + (p[i] - p[temp.s - 1]) * cntbit(temp.f)) {
                        cur = temp;
                    }
                }

                minimize(dp[k][i], dp[k - 1][cur.s - 1] + (p[i] - p[cur.s - 1]) * cntbit(cur.f));
            }

            nxt.pb(cur);
            best = nxt;
            for (auto cur : best) {
                minimize(dp[k][i], dp[k - 1][cur.s - 1] + (p[i] - p[cur.s - 1]) * cntbit(cur.f));
            }
        }
    }

    for (int i = 1; i <= s; i++) {
        cout << dp[i][t] << "\n";
    }
}

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

    int t = 1;
    //cin >> t;

    while (t--) {
        solve();
        //cout << solve() << '\n';
    }

    return 0;
}
 

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 74