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Submission #853048

# Submission time Handle Problem Language Result Execution time Memory
853048 2023-09-23T11:01:35 Z aykhn Gondola (IOI14_gondola) C++14
60 / 100
 25 ms 5844 KB 
#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

#define pb push_back
#define ins insert
#define infll 0x3F3F3F3F3F3F3F3F
#define inf 0x3F3F3F3F
#define pii pair<int, int>
#define pll pair<ll, ll>
#define mpr make_pair
#define all(v) v.begin(), v.end()
#define fi first
#define se second

const int mod = 1e9 + 7;

int mult(ll a, ll b)
{
    return (a * b) % mod;
}

int binpow(ll a, ll b)
{
    a %= mod;
    ll res = 1;
    while (b)
    {
        if (b & 1) res = mult(res, a);
        b >>= 1;
        a = mult(a, a);
    }
    return res;
}

vector<int> ASDASD;

int ok(vector<int> &v)
{
    int n = v.size();
    set<int> s;
    for (int x : v) s.ins(x);
    if (s.size() != v.size()) return 0;
    vector<int> a(n, 0);
    int anc = -1;
    for (int i = 0; i < v.size(); i++)
    {
        if (v[i] <= n) 
        {
            anc = i;
            break;
        }
    }
    if (anc == -1) 
    {
        ASDASD = v;
        return 1;
    }
    int shift = n + v[anc] - anc - 1;
    for (int i = 0; i < n; i++) a[(i + shift + 10*n) % n] = v[i];
    ASDASD = a;
    for (int i = 0; i < n; i++)
    {
        if (a[i] <= n && a[i] != i + 1) return 0;
    }
    return 1;
}

int valid(int n, int in[])
{
    vector<int> v;
    for (int i = 0; i < n; i++) v.pb(in[i]);
    return ok(v);
}

int replacement(int n, int in[], int ret[])
{
    vector<int> v;
    for (int i = 0; i < n; i++) v.pb(in[i]);
    ok(v);
    v = ASDASD;
    vector<pii> a;
    for (int i = 0; i < v.size(); i++)
    {
        if (v[i] == i + 1) continue;
        a.pb(mpr(v[i], i + 1));
    }
    sort(all(a));
    int j = 0;
    int rn = n + 1;
    for (int i = 0; i < a.size(); i++)
    {
        ret[j++] = a[i].se;
        while (a[i].fi > rn) ret[j++] = rn++;
        rn++;
    }
    return j;
}

int countReplacement(int n, int in[])
{
    vector<int> v;
    for (int i = 0; i < n; i++) v.pb(in[i]);
    if (!ok(v)) return 0;
    v = ASDASD;
    vector<pii> a;
    for (int i = 0; i < v.size(); i++)
    {
        if (v[i] == i + 1) continue;
        a.pb(mpr(v[i], i + 1));
    }
    int x = 1;
    if (a.size() == v.size()) x = n;
    sort(all(a));
    int last = n;
    int res = 1;
    int sz = a.size();
    for (int i = 0; i < a.size(); i++) 
    {
        res = mult(res, binpow(sz - i, a[i].fi - last - 1));
        last = a[i].fi;
    }
    return mult(res, x);
}

Compilation message

gondola.cpp: In function 'int ok(std::vector<int>&)':
gondola.cpp:48:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for (int i = 0; i < v.size(); i++)
      |                     ~~^~~~~~~~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:85:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |     for (int i = 0; i < v.size(); i++)
      |                     ~~^~~~~~~~~~
gondola.cpp:93:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |     for (int i = 0; i < a.size(); i++)
      |                     ~~^~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:109:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  109 |     for (int i = 0; i < v.size(); i++)
      |                     ~~^~~~~~~~~~
gondola.cpp:120:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  120 |     for (int i = 0; i < a.size(); i++)
      |                     ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 544 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 9 ms 2776 KB Output is correct
7 Correct 20 ms 4052 KB Output is correct
8 Correct 16 ms 4880 KB Output is correct
9 Correct 5 ms 1740 KB Output is correct
10 Correct 19 ms 5584 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 8 ms 2772 KB Output is correct
7 Correct 20 ms 4052 KB Output is correct
8 Correct 16 ms 4820 KB Output is correct
9 Correct 5 ms 1880 KB Output is correct
10 Correct 19 ms 5584 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 10 ms 2516 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 25 ms 5800 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 16 ms 5328 KB Output is correct
12 Correct 21 ms 5844 KB Output is correct
13 Correct 18 ms 3012 KB Output is correct
14 Correct 19 ms 5332 KB Output is correct
15 Correct 19 ms 2936 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Incorrect 1 ms 344 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Incorrect 1 ms 344 KB Output isn't correct
8 Halted 0 ms 0 KB -