Submission #604378

#	Time	Username	Problem	Language	Result	Execution time	Memory
604378		SeDunion	Popeala (CEOI16_popeala)	C++17	17 / 100	19 ms	3780 KiB

popeala

#include<iostream>

using namespace std;
using ll = long long;

const ll inf = 1e18;

const int T = 1e3 + 123;
const int N = 52;
const int S = 52;

ll pref[T];
int cs[N][T];
ll val[T][T];
ll dp[T][S];

void upd(ll &a, ll b) {
	a = min(a, b);
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, t, s;
	cin >> n >> t >> s;
	for (int i = 1 ; i <= t ; ++ i) {
		cin >> pref[i];
		pref[i] += pref[i - 1];
	}
	for (int i = 1 ; i <= n ; ++ i) {
		for (int j = 1 ; j <= t ; ++ j) {
			char c; cin >> c;
			cs[i][j] = cs[i][j - 1] + (c == '1');
		}
	}
	for (int l = 0 ; l <= t ; ++ l) {
		for (int r = l + 1 ; r <= t ; ++ r) {
			int cnt = 0;
			for (int i = 1 ; i <= n ; ++ i) {
				cnt += (cs[i][r] - cs[i][l] == r - l);
			}
			val[l][r] = cnt * (pref[r] - pref[l]);
		}
	}
	for (int i = 0 ; i <= t ; ++ i) {
		for (int x = 0 ; x <= s ; ++ x) {
			dp[i][x] = inf;
		}
	}
	dp[0][0] = 0;
	for (int i = 1 ; i <= t ; ++ i) {
		for (int x = 1 ; x <= s ; ++ x) {
			for (int j = 0 ; j < i ; ++ j) {
				upd(dp[i][x], dp[j][x-1] + val[j][i]);
			}
		}
	}
	for (int i = 1 ; i <= s ; ++ i) {
		cout << dp[t][i] << "\n";
	}
}

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