Submission #868113

#	Time	Username	Problem	Language	Result	Execution time	Memory
868113		Cookie	Lottery (CEOI18_lot)	C++14	45 / 100	242 ms	28500 KiB

lot

#include<bits/stdc++.h>
#include<fstream>
using namespace std;
ifstream fin("HCN.INP");
ofstream fout("HCN.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ld PI = 3.14159265359;
//using u128 = __uint128_t;
//const int x[4] = {1, -1, 0, 0};
//const int y[4] = {0, 0, 1, -1};
const ll mod = 1e9 + 9;
const int mxn = 1e5 + 5, mxq = 2e5 + 5, sq = 200, mxv = 2e6 + 5;
const ll inf = 1e17 + 5;
//const int base= (1 << 18);
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, l;
int a[2005], pref[4005][2005];
int get(int diag, int l, int r){
    return(pref[diag][r] - pref[diag][l - 1]);
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> l;
    for(int i = 1; i <= n; i++)cin >> a[i];
    for(int i = 1; i <= n + n - 1; i++){
        for(int row = 1; row <= n; row++){
            int col = i - n + row;
            if(col <= 0 || col > n)continue;
            pref[i][row] = pref[i][row - 1] + (a[row] != a[col]);
        }
    }
    int q; cin >> q;
    while(q--){
        int k; cin >> k;
        for(int i = 1; i + l - 1 <= n; i++){
            int cnt = 0;
            for(int j = 1; j + l - 1 <= n; j++){
                if(i != j)cnt += (get(j - i + n, i, i + l - 1) <= k);
            }
            cout << cnt << " ";
        }
        cout << "\n";
    }
    return(0);
}

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