Submission #529982

#	Time	Username	Problem	Language	Result	Execution time	Memory
529982		Yazan_Alattar	Popeala (CEOI16_popeala)	C++14	0 / 100	1920 ms	1424 KiB

popeala

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 10007;
const ll inf = 2e18;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 1e3;

int n, t, s, a[M], seg[4 * M], lazy[4 * M], dp[M][55], last[55], pref[M];
string win[M];

void build(int node = 1, int l = 0, int r = t){
	lazy[node] = 0;
	if(l == r){
		seg[node] = 2e9;
		return;
	}
	int mid = (l + r) / 2;
	build(2 * node, l, mid);
	build(2 * node + 1, mid + 1, r);
	seg[node] = min(seg[2 * node], seg[2 * node + 1]);
	return;
}

void push(int node, int l, int r){
	if(lazy[node] != 0){
		seg[node] += lazy[node];
		if(l != r){
			lazy[2 * node] += lazy[node];
			lazy[2 * node + 1] += lazy[node];
		}
		lazy[node] = 0;
	}
	return;
}

void upd(int st, int en, int v, int node = 1, int l = 0, int r = t){
	push(node, l, r);
	if(l > en || r < st) return;
	if(l >= st && r <= en){
		lazy[node] += v;
		push(node, l, r);
		return;
	}
	int mid = (l + r) / 2;
	upd(st, en, v, 2 * node, l, mid);
	upd(st, en, v, 2 * node + 1, mid + 1, r);
	seg[node] = min(seg[2 * node], seg[2 * node + 1]);
	return;
}

int main()
{
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	//ifstream cin ("match.in");
	//ofstream cout ("match.out");
	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) cin >> win[i];
	
	for(int i = 0; i <= s; ++i) for(int j = 0; j <= t; ++j) dp[i][j] = 2e9;
	
	dp[0][0] = 0;
	for(int turn = 1; turn <= s; ++turn){
		build(); 
		for(int i = 1; i <= n; ++i) last[i] = -1;
		
		upd(turn - 1, turn - 1, dp[turn - 1][turn - 1] - 2e9);
		for(int i = turn; i <= t; ++i){
			
			for(int j = 1; j <= n; ++j){
				if(win[j][i - 1] == '1'){
					if(last[j] < i) upd(last[j], i - 1, a[i]);
				}
				else{
					for(int k = last[j] + 1; k < i; ++k) upd(last[j], k - 1, -a[k]);
					last[j] = i;
				}
			}
			
			dp[i][turn] = seg[1];
			upd(i, i, dp[i][turn - 1] - 2e9);
			
		}
	}
	
	for(int i = 1; i <= s; ++i) cout << dp[t][i] << endl;
	return 0;
}

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