Submission #580297

#	Time	Username	Problem	Language	Result	Execution time	Memory
580297		talant117408	Lottery (CEOI18_lot)	C++17	0 / 100	4 ms	596 KiB

lot

#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

#define long                unsigned long 
#define pb                  push_back
#define mp                  make_pair
#define all(v)              (v).begin(),(v).end()
#define rall(v)             (v).rbegin(),(v).rend()
#define lb                  lower_bound
#define ub                  upper_bound
#define sz(v)               int((v).size())
#define do_not_disturb      ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl                '\n'

void solve() {
    int n, l;
    cin >> n >> l;
    vector <int> v(n);
    for (auto &to : v) cin >> to;
    
    //~ if (n <= 300) {
        //~ int 
    //~ }
    
    const ll P = 31;
    vector <ll> hash(n), p(n);
    p[0] = 1;
    for (int i = 1; i < n; i++) p[i] = p[i-1] * P;
    for (int i = 0; i < n; i++) {
        hash[i] = v[i] * p[i];
        if (i) hash[i] += hash[i-1];
    }
    
    set <ll> st;
    map <ll, vector <int>> pos;
    for (int i = 0; i < n-l+1; i++) {
        ll h = hash[i+l-1];
        if (i) h -= hash[i-1];
        h *= p[n-i-1];
        pos[h].pb(i);
        st.insert(h);
    }
    vector <int> ans(n-l+1);
    for (auto to : st) {
        for (auto x : pos[to]) ans[x] = sz(pos[to]);
    }
    int q;
    cin >> q;
    while (q--) {
        int x;
        cin >> x;
        for (auto to : ans) cout << to << ' ';
        cout << endl;
    }
}

int main() {
    do_not_disturb
    
    int t = 1;
    //~ cin >> t;
    while (t--) {
        solve();
    }
    
    return 0;
}

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