oj.uz

Submission #1108165

# Submission time Handle Problem Language Result Execution time Memory
1108165 2024-11-03T06:36:30 Z abczz Minerals (JOI19_minerals) C++17
100 / 100
 57 ms 34804 KB 
#include "minerals.h"
#include <iostream>
#include <vector>
#include <random>
#include <algorithm>
#define ll long long 

using namespace std;

vector <ll> X, Y;
bool B[100000];
vector <ll> st[1000000];
ll sz, z;
random_device rd;
ll query(ll u) {
  B[u] ^= 1;
  return Query(u);
}
ll M(ll l, ll r) {
  if (l == r) return l;
  return min(r-1, l+(r-l+1)*4/7-1);
}
mt19937 mt(rd());
void solve(ll id, ll l, ll r) {
  if (l == r) {
    Answer(X[l], st[id][0]);
    return;
  }
  ll mid = M(l, r), a = 0, b = 0;
  shuffle(st[id].begin(), st[id].end(), mt);
  for (auto u : st[id]) {
    if (a == mid-l+1) {
      st[id*2+1].push_back(u);
      continue;
    }
    else if (b == r-mid) {
      st[id*2].push_back(u);
      continue;
    }
    z = query(u);
    if (sz == z) st[id*2].push_back(u), ++a;
    else st[id*2+1].push_back(u), ++b;
    sz = z;
  }
  ll xm;
  if (l == mid) {
    Answer(X[l], st[id*2][0]);
  }
  else {
    xm = M(l, mid);
    for (int i=l; i<=xm; ++i) if (!B[X[i]]) sz = query(X[i]);
    for (int i=xm+1; i<=mid; ++i) if (B[X[i]]) sz = query(X[i]);
    solve(id*2, l, mid);
  }
  if (mid+1 == r) {
    Answer(X[r], st[id*2+1][0]);
  }
  else {
    xm = M(mid+1, r);
    sort(st[id*2+1].begin(), st[id*2+1].end(), [](auto a, auto b) {
      return B[a] > B[b];
    });
    for (int i=mid+1; i<=r; ++i) {
      swap(X[i], st[id*2+1][i-mid-1]);
    }
    for (int i=mid+1; i<=xm; ++i) if (!B[X[i]]) sz = query(X[i]);
    for (int i=xm+1; i<=r; ++i) if (B[X[i]]) sz = query(X[i]);
    solve(id*2+1, mid+1, r);
  }
}

void Solve(int N) {
  sz = 0;
  for (int i=1; i<=2*N; ++i) {
    z = query(i);
    if (sz != z) X.push_back(i);
    else Y.push_back(i);
    sz = z;
  }
  shuffle(X.begin(), X.end(), mt);
  shuffle(Y.begin(), Y.end(), mt);
  for (auto u : Y) st[1].push_back(u);
  for (int i=M(0, N-1)+1; i<N; ++i) sz = query(X[i]);
  solve(1, 0, N-1);
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 25168 KB Output is correct
2 Correct 7 ms 25424 KB Output is correct
3 Correct 9 ms 25936 KB Output is correct
4 Correct 12 ms 26704 KB Output is correct
5 Correct 27 ms 28240 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct
15 Correct 43 ms 33480 KB Output is correct
16 Correct 46 ms 33480 KB Output is correct
17 Correct 41 ms 33600 KB Output is correct
18 Correct 48 ms 33480 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct
15 Correct 43 ms 33480 KB Output is correct
16 Correct 46 ms 33480 KB Output is correct
17 Correct 41 ms 33600 KB Output is correct
18 Correct 48 ms 33480 KB Output is correct
19 Correct 46 ms 33736 KB Output is correct
20 Correct 49 ms 33656 KB Output is correct
21 Correct 57 ms 33596 KB Output is correct
22 Correct 46 ms 33652 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct
15 Correct 43 ms 33480 KB Output is correct
16 Correct 46 ms 33480 KB Output is correct
17 Correct 41 ms 33600 KB Output is correct
18 Correct 48 ms 33480 KB Output is correct
19 Correct 46 ms 33736 KB Output is correct
20 Correct 49 ms 33656 KB Output is correct
21 Correct 57 ms 33596 KB Output is correct
22 Correct 46 ms 33652 KB Output is correct
23 Correct 48 ms 33992 KB Output is correct
24 Correct 47 ms 33992 KB Output is correct
25 Correct 42 ms 33860 KB Output is correct
26 Correct 48 ms 33956 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct
15 Correct 43 ms 33480 KB Output is correct
16 Correct 46 ms 33480 KB Output is correct
17 Correct 41 ms 33600 KB Output is correct
18 Correct 48 ms 33480 KB Output is correct
19 Correct 46 ms 33736 KB Output is correct
20 Correct 49 ms 33656 KB Output is correct
21 Correct 57 ms 33596 KB Output is correct
22 Correct 46 ms 33652 KB Output is correct
23 Correct 48 ms 33992 KB Output is correct
24 Correct 47 ms 33992 KB Output is correct
25 Correct 42 ms 33860 KB Output is correct
26 Correct 48 ms 33956 KB Output is correct
27 Correct 45 ms 34264 KB Output is correct
28 Correct 50 ms 34248 KB Output is correct
29 Correct 53 ms 34316 KB Output is correct
30 Correct 45 ms 34248 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct
15 Correct 43 ms 33480 KB Output is correct
16 Correct 46 ms 33480 KB Output is correct
17 Correct 41 ms 33600 KB Output is correct
18 Correct 48 ms 33480 KB Output is correct
19 Correct 46 ms 33736 KB Output is correct
20 Correct 49 ms 33656 KB Output is correct
21 Correct 57 ms 33596 KB Output is correct
22 Correct 46 ms 33652 KB Output is correct
23 Correct 48 ms 33992 KB Output is correct
24 Correct 47 ms 33992 KB Output is correct
25 Correct 42 ms 33860 KB Output is correct
26 Correct 48 ms 33956 KB Output is correct
27 Correct 45 ms 34264 KB Output is correct
28 Correct 50 ms 34248 KB Output is correct
29 Correct 53 ms 34316 KB Output is correct
30 Correct 45 ms 34248 KB Output is correct
31 Correct 50 ms 34504 KB Output is correct
32 Correct 47 ms 34696 KB Output is correct
33 Correct 50 ms 34620 KB Output is correct
34 Correct 46 ms 34640 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 25168 KB Output is correct
2 Correct 5 ms 25168 KB Output is correct
3 Correct 6 ms 25168 KB Output is correct
4 Correct 5 ms 25168 KB Output is correct
5 Correct 6 ms 25168 KB Output is correct
6 Correct 7 ms 25424 KB Output is correct
7 Correct 9 ms 25936 KB Output is correct
8 Correct 12 ms 26704 KB Output is correct
9 Correct 27 ms 28240 KB Output is correct
10 Correct 5 ms 25168 KB Output is correct
11 Correct 14 ms 27216 KB Output is correct
12 Correct 23 ms 28240 KB Output is correct
13 Correct 18 ms 28308 KB Output is correct
14 Correct 24 ms 28240 KB Output is correct
15 Correct 43 ms 33480 KB Output is correct
16 Correct 46 ms 33480 KB Output is correct
17 Correct 41 ms 33600 KB Output is correct
18 Correct 48 ms 33480 KB Output is correct
19 Correct 46 ms 33736 KB Output is correct
20 Correct 49 ms 33656 KB Output is correct
21 Correct 57 ms 33596 KB Output is correct
22 Correct 46 ms 33652 KB Output is correct
23 Correct 48 ms 33992 KB Output is correct
24 Correct 47 ms 33992 KB Output is correct
25 Correct 42 ms 33860 KB Output is correct
26 Correct 48 ms 33956 KB Output is correct
27 Correct 45 ms 34264 KB Output is correct
28 Correct 50 ms 34248 KB Output is correct
29 Correct 53 ms 34316 KB Output is correct
30 Correct 45 ms 34248 KB Output is correct
31 Correct 50 ms 34504 KB Output is correct
32 Correct 47 ms 34696 KB Output is correct
33 Correct 50 ms 34620 KB Output is correct
34 Correct 46 ms 34640 KB Output is correct
35 Correct 52 ms 34804 KB Output is correct
36 Correct 52 ms 34760 KB Output is correct
37 Correct 53 ms 34788 KB Output is correct
38 Correct 48 ms 34760 KB Output is correct