Submission #567441

#	Time	Username	Problem	Language	Result	Execution time	Memory
567441		piOOE	Popeala (CEOI16_popeala)	C++17	17 / 100	2072 ms	49324 KiB

popeala

#include <bits/stdc++.h>

using namespace std;

#define all(x) begin(x), end(x)
#define sz(x) ((int)size(x))
#define trace(x) cout << #x << ": " << (x) << endl;

typedef long long ll;
#define int ll

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

const int S = 51, N = 51, T = 4001;
const ll infL = 3e18;

int s, n, t, A[T], ct[T][T];
ll dp[T][S], pref[T];

bool solved[N][T];

ll weight(int l, int r) {
    ll every = 0;
    for (int i = 1; i <= n; ++i) {
        ll sum = 0;
        for (int j = l; j <= r; ++j) {
            if (!solved[i][j]) {
                return 0;
            }
            sum += A[j];
        }
        every += sum;
    }
    return every;
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> t >> s;
    for (int i = 1; i <= t; ++i) {
        cin >> A[i];
        pref[i] = pref[i - 1] + A[i];
    }
    for (int i = 1; i <= n; ++i) {
        string ss;
        cin >> ss;
        for (int j = 1; j <= t; ++j) {
            solved[i][j] = (ss[j - 1] == '1');
        }
    }
    for (int k = 1; k <= n; k++){
        for (int i = 1; i <= t; i++){
            int cur = solved[k][i];
            ct[i][i] += cur;
            for (int j = i+1; j <= t; j++){
                if (solved[k][j] == 0) cur = 0;
                ct[i][j] += cur;
            }
        }
    }
    fill(dp[0] + 1, dp[0] + s + 1, infL);
    for (int i = 1; i <= t; ++i) {
        dp[i][1] = pref[i] * ct[1][i];
        for (int cnt = 2; cnt <= s; ++cnt) {
            dp[i][cnt] = infL;
            for (int j = i - 1; j >= cnt - 1; --j) {
                dp[i][cnt] = min(dp[i][cnt], dp[j][cnt - 1] + (pref[i] - pref[j]) * ct[j + 1][i]);
            }
        }
    }
    for (int i = 1; i <= s; ++i)
        cout << dp[t][i] << '\n';
    return 0;
}

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