Submission #487285

# Submission time Handle Problem Language Result Execution time Memory
487285 2021-11-15T03:35:47 Z Rainbowbunny Minerals (JOI19_minerals) C++17
40 / 100
32 ms 2336 KB
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 45005;

int lst = 0;
bool In[2 * MAXN];
vector <int> A, B;

void Solve(int n)
{
    for(int i = 1; i <= 2 * n; i++)
    {
        int cur = Query(i);
        In[i] ^= 1;
        if(cur == lst)
        {
            B.push_back(i);
        }
        else
        {
            A.push_back(i);
        }
        lst = cur;
    }
    vector <pair <int, int> > BFS;
    BFS.emplace_back(0, n - 1);
    for(int times = 1; times <= 15; times++)
    {
        vector <pair <int, int> > NextLayer;
        // for(auto x : B)
        // {
        //     cout << x << ' ';
        // }
        // cout << '\n';
        for(auto x : BFS)
        {
            int mid = (x.first + x.second) >> 1;
            // cout << x.first << ' ' << mid << ' ' << mid + 1 << ' ' << x.second << '\n';

            if(x.first < x.second)
            {
                NextLayer.emplace_back(x.first, mid);
                NextLayer.emplace_back(mid + 1, x.second);
                // for(int i = 1; i <= 2 * n; i++)
                // {
                //     cout << In[i] << ' ';
                // }
                // cout << '\n';
                if(In[A[mid + 1]])
                {
                    for(int i = mid + 1; i <= x.second; i++)
                    {
                        assert(In[A[i]]);
                        lst = Query(A[i]);
                        In[A[i]] ^= 1;
                    }
                }
                // cout << "owo" << endl;
                if(!In[A[x.first]])
                {
                    for(int i = x.first; i <= mid; i++)
                    {
                        assert(!In[A[i]]);
                        lst = Query(A[i]);
                        In[A[i]] ^= 1;
                    }
                }
                // for(int i = 1; i <= 2 * n; i++)
                // {
                //     cout << In[i] << ' ';
                // }
                // cout << '\n';
                vector <int> L, R;
                if(In[B[x.first]])
                {
                    for(int i = x.first; i <= x.second; i++)
                    {
                        assert(In[B[i]]);
                        int tmp = Query(B[i]);
                        In[B[i]] ^= 1;
                        if(tmp == lst)
                        {
                            L.push_back(B[i]);
                        }
                        else
                        {
                            R.push_back(B[i]);
                        }
                        lst = tmp;
                    }
                }
                else
                {
                    for(int i = x.first; i <= x.second; i++)
                    {
                        assert(!In[B[i]]);
                        int tmp = Query(B[i]);
                        In[B[i]] ^= 1;
                        if(tmp == lst)
                        {
                            L.push_back(B[i]);
                        }
                        else
                        {
                            R.push_back(B[i]);
                        }
                        lst = tmp;
                    }
                }
                // cout << L.size() << ' ' << R.size() << '\n';
                for(int i = x.first; i <= mid; i++)
                {
                    B[i] = L[i - x.first];
                }
                for(int i = mid + 1; i <= x.second; i++)
                {
                    B[i] = R[i - mid - 1];
                }
            }
            else
            {
                if(In[A[x.first]])
                {
                    Query(A[x.first]);
                    In[A[x.first]] ^= 1;
                }
            }
        }
        BFS.swap(NextLayer);
    }
    for(int i = 0; i < n; i++)
    {
        Answer(A[i], B[i]);
    }
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 2 ms 328 KB Output is correct
3 Correct 4 ms 488 KB Output is correct
4 Correct 8 ms 712 KB Output is correct
5 Correct 12 ms 1056 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
15 Incorrect 32 ms 2336 KB Wrong Answer [5]
16 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
15 Incorrect 32 ms 2336 KB Wrong Answer [5]
16 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
15 Incorrect 32 ms 2336 KB Wrong Answer [5]
16 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
15 Incorrect 32 ms 2336 KB Wrong Answer [5]
16 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
15 Incorrect 32 ms 2336 KB Wrong Answer [5]
16 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 4 ms 488 KB Output is correct
8 Correct 8 ms 712 KB Output is correct
9 Correct 12 ms 1056 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 8 ms 840 KB Output is correct
12 Correct 14 ms 1064 KB Output is correct
13 Correct 11 ms 1096 KB Output is correct
14 Correct 12 ms 1116 KB Output is correct
15 Incorrect 32 ms 2336 KB Wrong Answer [5]
16 Halted 0 ms 0 KB -