Submission #598368

#	Time	Username	Problem	Language	Result	Execution time	Memory
598368		1bin	Popeala (CEOI16_popeala)	C++14	0 / 100	20 ms	2672 KiB

popeala

#include <bits/stdc++.h>

using namespace std;

#define all(v) v.begin(), v.end()
typedef long long ll;
const int MAX = 2e4 + 5;
int n, t, s, dp[55][MAX], p[MAX], chk[55][MAX], bf[55][MAX], ix[MAX][55], pf[MAX];
string w;

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    cin >> n >> t >> s;
    for(int i = 1; i <= t; i++) cin >> p[i], pf[i] = pf[i - 1] + p[i];
    for(int i = 0; i < n; i++){
        cin >> w;
        for(int j = 0; j < t; j++) chk[i + 1][j + 1] = w[j] - '0';
    }
    
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= t; j++){
            bf[i][j] = (chk[i][j] ? bf[i][j - 1] : j);
            ix[j][i - 1] = bf[i][j];
        }
    for(int i = 1; i <= t; i++) sort(ix[i], ix[i] + n);
    
    for(int j = 1; j <= t; j++){
        int score = 0;
        for(int i = 1; i <= n; i++)
            if(!bf[i][j]) score += pf[j];
        dp[1][j] = score;
    }
    cout << dp[1][t] << '\n';
    
    for(int i = 2; i <= s; i++){
        for(int j = i; j <= t; j++){
            dp[i][j] = dp[i - 1][j - 1] + p[j] * n;
            for(int k = 0; k < n; k++){
                if(ix[j][k] >= i) dp[i][j] = min(dp[i][j], dp[i - 1][ix[j][k] - 1] + (pf[j] - pf[ix[j][k] - 1]) * k);
            }
            //cout << dp[i][j] << ' ';
        }
        //cout << '\n';
        cout << dp[i][t] << '\n';
    }
    return 0;
}

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