oj.uz

Submission #705286

# Submission time Handle Problem Language Result Execution time Memory
705286 2023-03-03T19:17:21 Z ThegeekKnight16 Gondola (IOI14_gondola) C++17
100 / 100
 77 ms 12580 KB 
#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
typedef long long int ll;
const ll MOD = 1000000009;
const int MAXN = 1e5 + 10;
ll expect[MAXN];
map<ll, int> marc;

ll mult(ll a, ll b)
{
    a %= MOD; b %= MOD;
    return ((a * b) % MOD);
}

ll exp(ll x, ll n)
{
    x %= MOD; n %= MOD;
    if (n == 0LL) return 1LL;
    if (n == 1LL) return x;
    if (n % 2LL) return mult(x, exp(x, n-1LL));
    return exp(mult(x, x), n/2LL);
}

int valid(int n, int inputSeq[])
{
    for (int i = 0; i < n; i++)
    {
        if (marc[inputSeq[i]]) return 0;
        marc[inputSeq[i]] = 1;
    }

    bool Achei = false;
    for (int i = 0; i < n; i++)
    {
        if (!Achei && inputSeq[i] > n) continue;
        else if (!Achei && inputSeq[i] <= n)
        {
            expect[i] = inputSeq[i];
            Achei = true;
        }
        else if (Achei) expect[i] = (expect[i-1]+1LL);

        if (expect[i] > n) expect[i] -= n;
    }

    if (!expect[0]) expect[0] = expect[n-1]+1LL;
    if (expect[0] > n) expect[0] -= n;
    for (int i = 1; i < n && !expect[i]; i++)
    {
        expect[i] = expect[i-1]+1LL;
        if (expect[i] > n) expect[i] -= n;
    }

    for (int i = 0; i < n; i++)
    {
        if (inputSeq[i] > n) continue;
        if (expect[i] != inputSeq[i]) return 0;
    }
    return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    if (!valid(n, gondolaSeq)) return 0;
    int tam = 0;
    ll atual = n+1;
    set<tuple<ll, ll, ll> > fora;
    for (int i = 0; i < n; i++) if (gondolaSeq[i] > n) fora.emplace(gondolaSeq[i], expect[i], i);

    while (!fora.empty())
    {
        auto [quero, tenho, id] = *fora.begin();
        fora.erase(fora.begin());
        replacementSeq[tam++] = tenho;
        if (atual < quero) fora.emplace(quero, atual, id);
        atual++;
    }

    return tam;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
    // cerr << "ABA" << '\n';
    if (!valid(n, inputSeq)) return 0;
    set<ll> fora;
    // cerr << "CABA" << '\n';
    for (int i = 0; i < n; i++) if (inputSeq[i] > n) fora.emplace(inputSeq[i]);
    ll atual = n+1;
    ll resp = 1LL;
    if (fora.size() == n) resp = n;
    // cerr << "SABA" << '\n';
    while (!fora.empty())
    {
        resp = mult(resp, exp((long long)fora.size(), *fora.begin() - atual));
        atual = (*fora.begin());
        atual++;
        assert(resp > 0);
        assert(atual > 0);
        // cerr << atual << '\n';
        fora.erase(fora.begin());
    }
    // cerr << "VABA" << '\n';

    return (int)(resp % MOD);
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:96:21: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   96 |     if (fora.size() == n) resp = n;
      |         ~~~~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 14 ms 3152 KB Output is correct
7 Correct 8 ms 724 KB Output is correct
8 Correct 27 ms 5712 KB Output is correct
9 Correct 8 ms 2004 KB Output is correct
10 Correct 36 ms 6600 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 13 ms 3168 KB Output is correct
7 Correct 9 ms 724 KB Output is correct
8 Correct 30 ms 5708 KB Output is correct
9 Correct 8 ms 2088 KB Output is correct
10 Correct 33 ms 6528 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 15 ms 3016 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 38 ms 6800 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 29 ms 6180 KB Output is correct
12 Correct 35 ms 7024 KB Output is correct
13 Correct 31 ms 5452 KB Output is correct
14 Correct 28 ms 6180 KB Output is correct
15 Correct 33 ms 4288 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 304 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 300 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 50 ms 8568 KB Output is correct
10 Correct 37 ms 6896 KB Output is correct
11 Correct 14 ms 3028 KB Output is correct
12 Correct 18 ms 3632 KB Output is correct
13 Correct 4 ms 1096 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 50 ms 8780 KB Output is correct
10 Correct 39 ms 7156 KB Output is correct
11 Correct 14 ms 3156 KB Output is correct
12 Correct 20 ms 3560 KB Output is correct
13 Correct 4 ms 1112 KB Output is correct
14 Correct 67 ms 11256 KB Output is correct
15 Correct 77 ms 12580 KB Output is correct
16 Correct 12 ms 2516 KB Output is correct
17 Correct 52 ms 8544 KB Output is correct
18 Correct 25 ms 4948 KB Output is correct