Submission #1082674

#	Time	Username	Problem	Language	Result	Execution time	Memory
1082674		_callmelucian	Popeala (CEOI16_popeala)	C++14	100 / 100	540 ms	6996 KiB

popeala

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;

#define all(a) a.begin(), a.end()
#define filter(a) a.erase(unique(all(a)), a.end())

const int mn = 2e4 + 4;
int dp[2][mn], opt[55][mn], pts[mn], pre[mn];
bool solved[55][mn];

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

    int n, T, S; cin >> n >> T >> S;
    for (int i = 1; i <= T; i++) {
        cin >> pts[i];
        pre[i] = pre[i - 1] + pts[i];
    }
    for (int i = 1; i <= n; i++) {
        string s; cin >> s;
        for (int j = 1; j <= T; j++) solved[i][j] = (s[j - 1] == '1');
    }

    for (int j = 1; j <= T; j++) dp[0][j] = INT_MAX;
    for (int sub = 1; sub <= S; sub++) {
        int t = sub & 1;
        for (int j = 0; j <= T; j++)
            dp[t][j] = INT_MAX;
        for (int score = 0; score <= n; score++)
            opt[score][0] = dp[t ^ 1][0];

        vector<pii> order;
        for (int i = 1; i <= n; i++) order.emplace_back(i, 0);
        for (int j = 1; j <= T; j++) {
            vector<pii> tmp;
            for (pii it : order) {
                int row, col; tie(row, col) = it;
                if (!solved[row][j]) tmp.emplace_back(row, j);
            }
            for (pii it : order) {
                int row, col; tie(row, col) = it;
                if (solved[row][j]) tmp.emplace_back(row, col);
            }
            order = tmp;

            for (int block = 0, low = j; block <= n && low; block++) {
                int score = n - block;
                if (opt[score][low - 1] != INT_MAX)
                    dp[t][j] = min(dp[t][j], opt[score][low - 1] + pre[j] * score);
                if (block < n)
                    low = order[block].second;
            }

            if (dp[t ^ 1][j] == INT_MAX)
                for (int score = 0; score <= n; score++)
                    opt[score][j] = opt[score][j - 1];
            else
                for (int score = 0; score <= n; score++)
                    opt[score][j] = min(opt[score][j - 1], dp[t ^ 1][j] - pre[j] * score);
        }

        cout << dp[t][T] << "\n";
    }

    return 0;
}

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