Submission #1095546

#TimeUsernameProblemLanguageResultExecution timeMemory
1095546cpptowinLottery (CEOI18_lot)C++17
100 / 100
398 ms8796 KiB
#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define bitcount(x) __builtin_popcountll(x)
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
#define all(x) x.begin(), x.end()
#define ss(x) (int)x.size()
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
void add(int &x, int k)
{
    x += k;
    x %= mod;
    if (x < 0)
        x += mod;
}
void del(int &x, int k)
{
    x -= k;
    x %= mod;
    if (x < 0)
        x += mod;
}
int n, l, q;
int res[10010][110], pos[10010],cc[111];
int a[maxn];
main()
{
#define name "TASK"
    if (fopen(name ".inp", "r"))
    {
        freopen(name ".inp", "r", stdin);
        freopen(name ".out", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> l;
    fo(i, 1, n) cin >> a[i];
    cin >> q;
    vi qq;
    fo(i, 1, q)
    {
        int x;
        cin >> x;
        qq.pb(x);
        pos[x] = i;
        cc[i] = x;
    }
    sort(all(qq));
    fod(i, l, 0) if (!pos[i]) pos[i] = pos[i + 1];
    fo(i, 1, n - l + 1)
    {
        int now = 0;
        fo(j, 1, l) if (a[i + j - 1] != a[j]) now++;
        if (i != 1)
        {
            res[i][pos[now]]++;
            res[1][pos[now]]++;
        }
        int u = i + l, v = l + 1;
        while (u <= n and v <= n)
        {
            if (a[u - l] != a[v - l])
                now--;
            if (a[u] != a[v])
                now++;
            if (u - l + 1 != v - l + 1)
            {
                res[u - l + 1][pos[now]]++;
                res[v - l + 1][pos[now]]++;
            }
            u++;
            v++;
        }
    }
    fo(i, 1, q - 1) fo(h, 1, n - l + 1) if(qq[i] > qq[i - 1]) 
    res[h][pos[qq[i]]] += res[h][pos[qq[i - 1]]];
    fo(j, 1, q)
    {
        fo(i, 1, n - l + 1) cout << res[i][pos[cc[j]]] << ' ';
        en;
    }
}

Compilation message (stderr)

lot.cpp:60:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   60 | main()
      | ^~~~
lot.cpp: In function 'int main()':
lot.cpp:65:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
lot.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
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