oj.uz

Submission #827143

# Submission time Handle Problem Language Result Execution time Memory
827143 2023-08-16T09:15:18 Z Hanksburger Festivals in JOI Kingdom 2 (JOI23_festival2) C++17
10 / 100
 9000 ms 320 KB 
#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int> > vec, vec2;
int a[2][35], n, p, ans;
void recur(int ind)
{
    if (ind>n*2)
    {
        vec.clear();
        vec2.clear();
        for (int i=1; i<=n; i++)
        {
            vec.push_back({a[0][i], a[1][i]});
            vec2.push_back({a[1][i], a[0][i]});
        }
        sort(vec.begin(), vec.end());
        sort(vec2.begin(), vec2.end());
        int res=0, res2=0, pre=0, pre2=0;
        for (int i=0; i<vec.size(); i++)
        {
            if (pre<vec[i].first)
            {
                pre=vec[i].second;
                res++;
            }
        }
        for (int i=0; i<vec2.size(); i++)
        {
            if (pre2<vec2[i].second)
            {
                pre2=vec2[i].first;
                res2++;
            }
        }
        if (res<res2)
            ans++;
        return;
    }
    for (int i=1; i<=n; i++)
    {
        if ((i==1 || a[0][i-1]) && !a[0][i])
        {
            a[0][i]=ind;
            recur(ind+1);
            a[0][i]=0;
        }
    }
    for (int i=1; i<=n; i++)
    {
        if (a[0][i] && !a[1][i])
        {
            a[1][i]=ind;
            recur(ind+1);
            a[1][i]=0;
        }
    }
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n;
    recur(1);
    cout << ans; // remember to put p back here later
}

Compilation message

festival2.cpp: In function 'void recur(int)':
festival2.cpp:19:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         for (int i=0; i<vec.size(); i++)
      |                       ~^~~~~~~~~~~
festival2.cpp:27:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for (int i=0; i<vec2.size(); i++)
      |                       ~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 504 ms 300 KB Output is correct
9 Correct 523 ms 300 KB Output is correct
10 Correct 501 ms 300 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 30 ms 212 KB Output is correct
13 Correct 31 ms 300 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 504 ms 300 KB Output is correct
9 Correct 523 ms 300 KB Output is correct
10 Correct 501 ms 300 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 30 ms 212 KB Output is correct
13 Correct 31 ms 300 KB Output is correct
14 Execution timed out 9072 ms 212 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 504 ms 300 KB Output is correct
9 Correct 523 ms 300 KB Output is correct
10 Correct 501 ms 300 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 30 ms 212 KB Output is correct
13 Correct 31 ms 300 KB Output is correct
14 Execution timed out 9072 ms 212 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 504 ms 300 KB Output is correct
9 Correct 523 ms 300 KB Output is correct
10 Correct 501 ms 300 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 30 ms 212 KB Output is correct
13 Correct 31 ms 300 KB Output is correct
14 Execution timed out 9072 ms 212 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 504 ms 300 KB Output is correct
9 Correct 523 ms 300 KB Output is correct
10 Correct 501 ms 300 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 30 ms 212 KB Output is correct
13 Correct 31 ms 300 KB Output is correct
14 Execution timed out 9072 ms 212 KB Time limit exceeded
15 Halted 0 ms 0 KB -