Submission #362886

#	Time	Username	Problem	Language	Result	Execution time	Memory
362886		Nimbostratus	Lottery (CEOI18_lot)	C++11	20 / 100	378 ms	1132 KiB

lot

#include <bits/stdc++.h>
using namespace std;
#define eb emplace_back
#define pb push_back
#define ppb pop_back
#define ub upper_bound
#define lb lower_bound
#define bs binary_search
#define cl(a,s) memset((a),0,sizeof((a)[0])*(s))
#define all(x) (x).begin() , (x).end()
#define fi first
#define se second
#define int long long
using pii = pair<int,int>;
using ll = long long;
const int maxn = 10005;
const int maxq = 105;
const int inf = 1e9;
const int mod = 1e9+9;

vector<int> vec;
int n,a[maxn],d[maxn],l,q,k;
int ans[maxn];
map<int,int> cnt;

void compress() {
	for(int i=1;i<=n;i++) d[i] = a[i];
	sort(d+1,d+n+1);
	int sz = unique(d+1,d+n+1)-d;
	for(int i=1;i<=n;i++) a[i] = lb(d+1,d+sz+1,a[i])-d;
}

int hs() {
	int ret = 0;
	int p = 1;
	for(int x : vec) {
		ret = (ret + (x * p) % mod)%mod;
		p = (p * (int)(10007)) % mod;
	}
	return ret;
}

int32_t main () {
	//freopen("in","r",stdin); freopen("out","w",stdout);
	ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
	cin >> n >> l;
	for(int i=1;i<=n;i++) cin >> a[i];
	compress();
	cin >> q;
	for(int i=1;i<=q;i++) cin >> k;
	vec.resize(l);
	for(int i=1;i+l-1<=n;i++) {
		for(int j=i;j<=i+l-1;j++) vec[j-i] = a[j];
		cnt[hs()]++;
	}
	for(int i=1;i+l-1<=n;i++) {
		for(int j=i;j<=i+l-1;j++) vec[j-i] = a[j];
		cout << cnt[hs()]-1 << " ";
	}
}	
	

• Subtask 1: 0 / 25
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20