Submission #1060095

#	Time	Username	Problem	Language	Result	Execution time	Memory
1060095		Zbyszek99	Lottery (CEOI18_lot)	C++17	20 / 100	3056 ms	7652 KiB

lot

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<long long, long long>
#define pb push_back
#define rep(i, b) for(int i = 0; i < (b); ++i)
#define rep2(i,a,b) for(int i = a; i <= (b); ++i)
#define rep3(i,a,b,c) for(int i = a; i <= (b); i+=c)
#define count_bits(x) __builtin_popcountll((x))
#define all(x) (x).begin(),(x).end()
#define size(x) (int)(x).size()
#define forall(it,x) for(auto& it:(x))
using namespace std;
//mt19937 mt;void random(){mt.seed(chrono::time_point_cast<chrono::milliseconds>(chrono::high_resolution_clock::now()).time_since_epoch().count());}
//ll rand(ll a, ll b) {return a + (mt() % (b-a+1));}
const int INF = 1e9+50;
const ll INF_L = 1e18+40;
const ll MOD = 1e9+7;
ll pot[100000];

int ans[2000][2000];

void solve()
{
    int n,l;
    cin >> n >> l;
    int max_s = n-l+1;
    vector<ll> v(n);
    rep(i,n) cin >> v[i];
    int q;
    cin >> q;
    int z;
    if(q == 1)
    {
        cin >> z;
        if(z == 0)
        {
            map<ll,int> counter;
            map<int,ll> h;
            rep(i,max_s)
            {
                ll hash = 0;
                rep(k,l)
                {
                    hash += v[i+k] * pot[k];
                    hash %= MOD;
                }
                counter[hash]++;
                h[i] = hash;
            }     
            rep(i,max_s)
            {
                cout << counter[h[i]]-1 << " ";
            }
            return;
        }
    }
    rep(i,max_s) 
    {
        rep(j,max_s)
        {
            if(i == j) continue;
            int dist = 0;
            rep(k,l)
            {
                if(v[i+k] != v[j+k]) dist++;
            }
            ans[i][j] = dist;
        }
    }
    rep(qq,q)
    {
        int k;
        if(qq == 0) k = z;
        else cin >> k;
        rep(i,max_s) 
        {
            int a = 0;
            rep(j,max_s)
            {
                if(i == j) continue;
                if(ans[i][j] <= k) a++;
            }
            cout << a << " ";
        }
        cout << "\n";
    }
}

int main()
{
    pot[0] = 1;
    rep2(i,1,100000)
    {
        pot[i] = pot[i-1] * 2137;
        pot[i] %= MOD;
    }
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //random();
    int t = 1;
    //cin >> t;
    while(t--) solve();
}

Compilation message (stderr)

lot.cpp: In function 'int main()':
lot.cpp:98:16: warning: iteration 99999 invokes undefined behavior [-Waggressive-loop-optimizations]
   98 |         pot[i] = pot[i-1] * 2137;
      |         ~~~~~~~^~~~~~~~~~~~~~~~~
lot.cpp:10:38: note: within this loop
   10 | #define rep2(i,a,b) for(int i = a; i <= (b); ++i)
      |                                      ^
lot.cpp:96:5: note: in expansion of macro 'rep2'
   96 |     rep2(i,1,100000)
      |     ^~~~

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