Submission #608714

#	Time	Username	Problem	Language	Result	Execution time	Memory
608714		proma	Popeala (CEOI16_popeala)	C++17	17 / 100	2055 ms	24248 KiB

popeala

#include <bits/stdc++.h>

//#define int long long
#define see(x) cout<<#x<<"="<<x<<endl;
#define endl "\n"

using namespace std;

const int N = 20005;
const int INF = 1e9;

int n, t, s, points[N];
char results[55][N];
int pref[55][N], sum[N], substak[N][N];
int dp[N][55];

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
/*
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
*/

    cin >> n >> t >> s;

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

    for (int i = 0; i < n; i ++) {
        for (int j = 1; j <= t; j ++) {
            cin >> results[i][j];
        }
    }

    for (int i = 0; i < n; i ++) {
        for (int j = 1; j <= t; j ++) {
            pref[i][j] = pref[i][j-1];
            if (results[i][j] == '0') pref[i][j] ++;
        }
    }

    for (int i = 1; i <= t; i ++) {
        for (int j = i; j <= t; j ++) {
            for (int k = 0; k < n; k ++) {
                if (pref[k][j] - pref[k][i-1] == 0) substak[i][j] += sum[j] - sum[i-1];
            }
        }
    }

    for (int i = 1; i <= t; i ++) {
        dp[i][1] = substak[1][i];
        for (int j = 2; j <= s; j ++) {
            dp[i][j] = INF;
            for (int k = j - 1; k < i; k ++) {
                dp[i][j] = min(dp[i][j], dp[k][j-1] + substak[k+1][i]);
            }
        }
    }

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

    return 0;
}

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