oj.uz

Submission #71047

# Submission time Handle Problem Language Result Execution time Memory
71047 2018-08-24T04:44:40 Z qkxwsm Lottery (CEOI18_lot) C++17
100 / 100
 1512 ms 9148 KB 
/*
PROG: source
LANG: C++11
_____
.'     '.
/  0   0  \
|     ^     |
|  \     /  |
\  '---'  /
'._____.'
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;

struct chash
{
        int operator()(int x) const
        {
                x ^= (x >> 20) ^ (x >> 12);
                return x ^ (x >> 7) ^ (x >> 4);
        }
        int operator()(long long x) const
        {
                return x ^ (x >> 32);
        }
};

template<typename T> using orderedset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using hashtable = gp_hash_table<T, U, chash>;

template<class T>
void readi(T &x)
{
        T input = 0;
        bool negative = false;
        char c = ' ';
        while (c < '-')
        {
                c = getchar();
        }
        if (c == '-')
        {
                negative = true;
                c = getchar();
        }
        while (c >= '0')
        {
                input = input * 10 + (c - '0');
                c = getchar();
        }
        if (negative)
        {
                input = -input;
        }
        x = input;
}
template<class T>
void printi(T output)
{
        if (output == 0)
        {
                putchar('0');
                return;
        }
        if (output < 0)
        {
                putchar('-');
                output = -output;
        }
        int aout[20];
        int ilen = 0;
        while(output)
        {
                aout[ilen] = ((output % 10));
                output /= 10;
                ilen++;
        }
        for (int i = ilen - 1; i >= 0; i--)
        {
                putchar(aout[i] + '0');
        }
        return;
}
template<class T>
void ckmin(T &a, T b)
{
        a = min(a, b);
}
template<class T>
void ckmax(T &a, T b)
{
        a = max(a, b);
}
template<class T, class U>
T normalize(T x, U mod = 1000000007)
{
        return (((x % mod) + mod) % mod);
}
long long randomizell(long long mod)
{
        return ((1ll << 45) * rand() + (1ll << 30) * rand() + (1ll << 15) * rand() + rand()) % mod;
}
int randomize(int mod)
{
        return ((1ll << 15) * rand() + rand()) % mod;
}

#define y0 ___y0
#define y1 ___y1
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define PF push_front
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define debug(x) cerr << #x << " = " << x << endl;

const long double PI = 4.0 * atan(1.0);
const long double EPS = 1e-10;

#define MAGIC 347
#define SINF 10007
#define CO 1000007
#define INF 1000000007
#define BIG 1000000931
#define LARGE 1696969696967ll
#define GIANT 2564008813937411ll
#define LLINF 2696969696969696969ll
#define MAXN 10013
#define MAXQ 113

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pdd;

int N, L, Q;
int arr[MAXN];
vector<int> compress;
int quer[MAXN];
int di[MAXN];
vector<pii> queries;
int sup[MAXN];
int pos[MAXN];
int pre[MAXN][MAXQ];

int32_t main()
{
        ios_base::sync_with_stdio(0);
        srand(time(0));
        //	cout << fixed << setprecision(10);
        //	cerr << fixed << setprecision(10);
        if (fopen("input.in", "r"))
        {
                freopen ("input.in", "r", stdin);
                freopen ("output.out", "w", stdout);
        }
        cin >> N >> L;
        compress.reserve(N);
        for (int i = 0; i < N; i++)
        {
                cin >> arr[i];
                compress.PB(arr[i]);
        }
        sort(compress.begin(), compress.end());
        compress.erase(unique(compress.begin(), compress.end()), compress.end());
        for (int i = 0; i < N; i++)
        {
                arr[i] = LB(compress.begin(), compress.end(), arr[i]) - compress.begin();
        }
        cin >> Q;
        for (int i = 0; i < Q; i++)
        {
                cin >> quer[i];
                queries.PB({quer[i], i});
        }
        sort(queries.begin(), queries.end());
        for (int i = 0; i < Q; i++)
        {
                pos[queries[i].se] = i;
        }
        for (int i = 0; i <= L; i++)
        {
                sup[i] = queries.size();
        }
        for (int i = 0; i < queries.size(); i++)
        {
                int lo = ((i == 0) ? 0 : (queries[i - 1].fi + 1));
                for (int j = lo; j <= queries[i].fi; j++)
                {
                        sup[j] = i;
                }
        }
        // for (int i = 0; i <= N - L; i++)
        // {
        //         for (int j = 0; j <= N - L; j++)
        //         {
        //                 if (i == 0)
        //                 {
        //
        //                         for (int k = 0; k < L; k++)
        //                         {
        //                                 if (arr[i + k] != arr[j + k])
        //                                 {
        //                                         dist[i][j]++;
        //                                 }
        //                         }
        //                 }
        //                 else if (j == 0)
        //                 {
        //                         dist[i][j] = dist[j][i];
        //                 }
        //                 else
        //                 {
        //                         dist[i][j] = dist[i - 1][j - 1] + (bool) (arr[i + L - 1] != arr[j + L - 1]) - (bool) (arr[i - 1] != arr[j - 1]);
        //                 }
        //                 // cerr << dist[i][j] << ' ';
        //                 pre[i][sup[dist[i][j]] + 1]++;
        //         }
        //         // cerr << endl;
        // }
        for (int i = -(N - L); i <= (N - L); i++)
        {
                for (int j = 0; j <= N - L; j++)
                {
                        di[j] = -1;
                }
                for (int j = 0; j <= N - L; j++)
                {
                        if (j + i < 0 || j + i > N - L)
                        {
                                continue;
                        }
                        di[j] = 0;
                        int x = j + i;
                        if (j == 0 || di[j - 1] == -1)
                        {
                                for (int k = 0; k < L; k++)
                                {
                                        if (arr[j + k] != arr[x + k])
                                        {
                                                di[j]++;
                                        }
                                }
                        }
                        else
                        {
                                di[j] = di[j - 1] + (bool) (arr[j + L - 1] != arr[x + L - 1]) - (bool) (arr[j - 1] != arr[x - 1]);
                        }
                        pre[j][sup[di[j]] + 1]++;
                }
                //lo...lo + i
        }
        for (int i = 0; i <= N - L; i++)
        {
                for (int j = 1; j <= Q + 1; j++)
                {
                        pre[i][j] += pre[i][j - 1];
                }
        }
        for (int i = 0; i < Q; i++)
        {
                for (int j = 0; j <= N - L; j++)
                {
                        if (j) cout << ' ';
                        cout << pre[j][pos[i] + 1] - 1;
                }
                cout << '\n';
        }
        //they differ in less than x positions
        //pos i, diff j

        //	cerr << "time elapsed = " << (clock() / (CLOCKS_PER_SEC / 1000)) << " ms" << endl;
        return 0;
}

Compilation message

lot.cpp: In function 'int32_t main()':
lot.cpp:193:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < queries.size(); i++)
                         ~~^~~~~~~~~~~~~~~~
lot.cpp:162:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
                 freopen ("input.in", "r", stdin);
                 ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
lot.cpp:163:25: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
                 freopen ("output.out", "w", stdout);
                 ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 3 ms 548 KB Output is correct
6 Correct 5 ms 692 KB Output is correct
7 Correct 3 ms 692 KB Output is correct
8 Correct 4 ms 692 KB Output is correct
9 Correct 4 ms 692 KB Output is correct
10 Correct 4 ms 712 KB Output is correct
11 Correct 4 ms 772 KB Output is correct
12 Correct 5 ms 844 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 3 ms 548 KB Output is correct
6 Correct 5 ms 692 KB Output is correct
7 Correct 3 ms 692 KB Output is correct
8 Correct 4 ms 692 KB Output is correct
9 Correct 4 ms 692 KB Output is correct
10 Correct 4 ms 712 KB Output is correct
11 Correct 4 ms 772 KB Output is correct
12 Correct 5 ms 844 KB Output is correct
13 Correct 42 ms 1580 KB Output is correct
14 Correct 22 ms 1580 KB Output is correct
15 Correct 26 ms 1580 KB Output is correct
16 Correct 33 ms 1660 KB Output is correct
17 Correct 36 ms 1660 KB Output is correct
18 Correct 44 ms 1660 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1420 ms 5404 KB Output is correct
2 Correct 1237 ms 5416 KB Output is correct
3 Correct 1250 ms 5416 KB Output is correct
4 Correct 1167 ms 5416 KB Output is correct
5 Correct 356 ms 5416 KB Output is correct
6 Correct 1120 ms 5416 KB Output is correct
7 Correct 330 ms 5416 KB Output is correct
8 Correct 606 ms 5416 KB Output is correct
9 Correct 1168 ms 5416 KB Output is correct
10 Correct 1232 ms 5416 KB Output is correct
11 Correct 54 ms 5416 KB Output is correct
12 Correct 669 ms 5416 KB Output is correct
13 Correct 465 ms 5416 KB Output is correct
14 Correct 538 ms 5416 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1420 ms 5404 KB Output is correct
2 Correct 1237 ms 5416 KB Output is correct
3 Correct 1250 ms 5416 KB Output is correct
4 Correct 1167 ms 5416 KB Output is correct
5 Correct 356 ms 5416 KB Output is correct
6 Correct 1120 ms 5416 KB Output is correct
7 Correct 330 ms 5416 KB Output is correct
8 Correct 606 ms 5416 KB Output is correct
9 Correct 1168 ms 5416 KB Output is correct
10 Correct 1232 ms 5416 KB Output is correct
11 Correct 54 ms 5416 KB Output is correct
12 Correct 669 ms 5416 KB Output is correct
13 Correct 465 ms 5416 KB Output is correct
14 Correct 538 ms 5416 KB Output is correct
15 Correct 1411 ms 5416 KB Output is correct
16 Correct 1020 ms 5416 KB Output is correct
17 Correct 1512 ms 5432 KB Output is correct
18 Correct 1167 ms 5432 KB Output is correct
19 Correct 1165 ms 5432 KB Output is correct
20 Correct 1212 ms 5432 KB Output is correct
21 Correct 1223 ms 5432 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 3 ms 548 KB Output is correct
6 Correct 5 ms 692 KB Output is correct
7 Correct 3 ms 692 KB Output is correct
8 Correct 4 ms 692 KB Output is correct
9 Correct 4 ms 692 KB Output is correct
10 Correct 4 ms 712 KB Output is correct
11 Correct 4 ms 772 KB Output is correct
12 Correct 5 ms 844 KB Output is correct
13 Correct 42 ms 1580 KB Output is correct
14 Correct 22 ms 1580 KB Output is correct
15 Correct 26 ms 1580 KB Output is correct
16 Correct 33 ms 1660 KB Output is correct
17 Correct 36 ms 1660 KB Output is correct
18 Correct 44 ms 1660 KB Output is correct
19 Correct 1420 ms 5404 KB Output is correct
20 Correct 1237 ms 5416 KB Output is correct
21 Correct 1250 ms 5416 KB Output is correct
22 Correct 1167 ms 5416 KB Output is correct
23 Correct 356 ms 5416 KB Output is correct
24 Correct 1120 ms 5416 KB Output is correct
25 Correct 330 ms 5416 KB Output is correct
26 Correct 606 ms 5416 KB Output is correct
27 Correct 1168 ms 5416 KB Output is correct
28 Correct 1232 ms 5416 KB Output is correct
29 Correct 54 ms 5416 KB Output is correct
30 Correct 669 ms 5416 KB Output is correct
31 Correct 465 ms 5416 KB Output is correct
32 Correct 538 ms 5416 KB Output is correct
33 Correct 1411 ms 5416 KB Output is correct
34 Correct 1020 ms 5416 KB Output is correct
35 Correct 1512 ms 5432 KB Output is correct
36 Correct 1167 ms 5432 KB Output is correct
37 Correct 1165 ms 5432 KB Output is correct
38 Correct 1212 ms 5432 KB Output is correct
39 Correct 1223 ms 5432 KB Output is correct
40 Correct 1318 ms 6032 KB Output is correct
41 Correct 31 ms 6032 KB Output is correct
42 Correct 1411 ms 6032 KB Output is correct
43 Correct 1133 ms 6032 KB Output is correct
44 Correct 1250 ms 6032 KB Output is correct
45 Correct 1472 ms 8940 KB Output is correct
46 Correct 41 ms 8940 KB Output is correct
47 Correct 1492 ms 9148 KB Output is correct
48 Correct 1360 ms 9148 KB Output is correct
49 Correct 1273 ms 9148 KB Output is correct