Submission #256253

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
256253	2020-08-02T12:22:06 Z	fedoseevtimofey	Minerals (JOI19_minerals)	C++14	70 / 100	56 ms	3604 KB

minerals

#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <algorithm>
#include <random>
#include <iomanip>
#include <functional>
#include <cassert>

using namespace std;

typedef long long ll;

#include "minerals.h"

void Solve(int N) {
  vector <int> gs_l;
  vector <int> gs_r;
  int cnt = 0;
  for (int i = 1; i <= 2 * N; ++i) {
    int cur_cnt = Query(i);
    if (cur_cnt > cnt) {
      cnt = cur_cnt;
      gs_l.push_back(i);
    } else {
      gs_r.push_back(i);
      Query(i);
    }
  }
  vector <int> f, s;
  function <void(vector <int>, vector <int>, int, int)> rec = [&] (vector <int> l, vector <int> r, int em_l, int em_r) {
    /*cout << em_r << endl;
    cout << "start\n";
    for (int x : l) {
      cout << x << ' ';
    }
    cout << endl;
    for (int x : r) {
      cout << x << ' ';
    }
    cout << endl << "finish" << endl;
    Print();*/
    if (l.size() == 1) {
      assert(r.size() == 1);
      f.push_back(l[0]);
      s.push_back(r[0]);
    } else {
      int m = (int)l.size() / 2;
      vector <int> l_l, l_r, r_l, r_r;
      for (int i = 0; i < m; ++i) l_l.push_back(l[i]);
      for (int i = m; i < (int)l.size(); ++i) l_r.push_back(l[i]);
      int have = -1;
      for (auto x : l_l) {
        have = Query(x);
      }
      if (!em_l) {
        for (auto x : r) {
          int cur = Query(x);
          if (cur != have) {
            r_l.push_back(x);
          } else {
            r_r.push_back(x);
          }
          have = cur;
        }
        rec(l_l, r_l, 1, em_r ^ 1);
        rec(l_r, r_r, 0, em_r ^ 1);
      } else {
        for (auto x : r) {
          int cur = Query(x);
          if (cur != have) {
            r_r.push_back(x);
          } else {
            r_l.push_back(x);
          }
          have = cur;
        }
        rec(l_l, r_l, 0, em_r ^ 1);
        rec(l_r, r_r, 1, em_r ^ 1); 
      }
    }
  };
  rec(gs_l, gs_r, 0, 1);
  for (int i = 0; i < N; ++i) {
    Answer(f[i], s[i]);
  }
}

#ifdef LOCAL
constexpr int MAX_N = 43000;
constexpr int MAX_CALLS = 1000000;

namespace {

void WrongAnswer(int code) {
  printf("Wrong Answer [%d]\n", code);
  exit(0);
}

int N;
int _counterpart[2 * MAX_N + 1];

int num_queries;
int num_kinds;
int on[2 * MAX_N + 1];
int _count[2 * MAX_N + 1];

int num_answers;
int answer[2 * MAX_N + 1];

}  // namespace

int Query(int x) {
  if (!(1 <= x && x <= 2 * N)) {
    WrongAnswer(1);
  }
  /*if (++num_queries > MAX_CALLS) {
    WrongAnswer(2);
  }*/
  ++num_queries;
  const int type = std::min(x, _counterpart[x]);
  if (on[x]) {
    --on[x];
    --_count[type];
    if (_count[type] == 0) {
      --num_kinds;
    }
  } else {
    ++on[x];
    ++_count[type];
    if (_count[type] == 1) {
      ++num_kinds;
    }
  }
  return num_kinds;
}

void Answer(int a, int b) {
  if (++num_answers > N) {
    WrongAnswer(6);
  }
  if (!(1 <= a && a <= 2 * N && 1 <= b && b <= 2 * N)) {
    WrongAnswer(3);
  }
  if (answer[a] != 0) {
    WrongAnswer(4);
  }
  answer[a] = b;
  if (answer[b] != 0) {
    WrongAnswer(4);
  }
  answer[b] = a;
  if (!(_counterpart[a] == b && _counterpart[b] == a)) {
    WrongAnswer(5);
  }
}

void Print() {
  cout << "Start printing\n";
  for (int i = 1; i <= 2 * N; ++i) {
    if (on[i]) {
      cout << i << ' ';
    }
  }
  cout << endl;
  cout << "End printing\n";
}

int main() {
  ios_base::sync_with_stdio(false); cin.tie(0);
#ifdef LOCAL
  freopen("input.txt", "r", stdin);
#endif
  cin >> N;
  for (int i = 1; i <= N; ++i) {
    int x, y;
    cin >> x >> y;
    _counterpart[x] = y;
    _counterpart[y] = x;
  }
  Solve(N);
  if (num_answers != N) {
    WrongAnswer(6);
  }
  printf("Accepted: %d\n", num_queries);
  return 0; 
}
#endif

Subtask #1
6.0 / 6.0

#	Verdict	Memory	Grader output
1	Correct	384 KB	Output is correct
2	Correct	384 KB	Output is correct
3	Correct	384 KB	Output is correct
4	Correct	384 KB	Output is correct

Subtask #2
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	512 KB	Output is correct
3	Correct	5 ms	640 KB	Output is correct
4	Correct	10 ms	1024 KB	Output is correct
5	Correct	20 ms	1528 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct

Subtask #4
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct
15	Correct	56 ms	3604 KB	Output is correct
16	Correct	54 ms	3572 KB	Output is correct
17	Correct	46 ms	3548 KB	Output is correct
18	Correct	47 ms	3316 KB	Output is correct

Subtask #5
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct
15	Correct	56 ms	3604 KB	Output is correct
16	Correct	54 ms	3572 KB	Output is correct
17	Correct	46 ms	3548 KB	Output is correct
18	Correct	47 ms	3316 KB	Output is correct
19	Incorrect	54 ms	3564 KB	Wrong Answer [2]
20	Halted	0 ms	0 KB	-

Subtask #6
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct
15	Correct	56 ms	3604 KB	Output is correct
16	Correct	54 ms	3572 KB	Output is correct
17	Correct	46 ms	3548 KB	Output is correct
18	Correct	47 ms	3316 KB	Output is correct
19	Incorrect	54 ms	3564 KB	Wrong Answer [2]
20	Halted	0 ms	0 KB	-

Subtask #7
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct
15	Correct	56 ms	3604 KB	Output is correct
16	Correct	54 ms	3572 KB	Output is correct
17	Correct	46 ms	3548 KB	Output is correct
18	Correct	47 ms	3316 KB	Output is correct
19	Incorrect	54 ms	3564 KB	Wrong Answer [2]
20	Halted	0 ms	0 KB	-

Subtask #8
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct
15	Correct	56 ms	3604 KB	Output is correct
16	Correct	54 ms	3572 KB	Output is correct
17	Correct	46 ms	3548 KB	Output is correct
18	Correct	47 ms	3316 KB	Output is correct
19	Incorrect	54 ms	3564 KB	Wrong Answer [2]
20	Halted	0 ms	0 KB	-

Subtask #9
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	5 ms	640 KB	Output is correct
8	Correct	10 ms	1024 KB	Output is correct
9	Correct	20 ms	1528 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	15 ms	1280 KB	Output is correct
12	Correct	19 ms	1536 KB	Output is correct
13	Correct	17 ms	1528 KB	Output is correct
14	Correct	17 ms	1532 KB	Output is correct
15	Correct	56 ms	3604 KB	Output is correct
16	Correct	54 ms	3572 KB	Output is correct
17	Correct	46 ms	3548 KB	Output is correct
18	Correct	47 ms	3316 KB	Output is correct
19	Incorrect	54 ms	3564 KB	Wrong Answer [2]
20	Halted	0 ms	0 KB	-

Submission #256253

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