oj.uz

Submission #993443

# Submission time Handle Problem Language Result Execution time Memory
993443 2024-06-05T16:36:24 Z yellowtoad Super Dango Maker (JOI22_dango3) C++17
20 / 100
 211 ms 604 KB 
#include "dango3.h"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
 
namespace {
 
vector<int> cur, tmp, ans, v, q;
bool b[10010];
 
}  // namespace
 
void Solve(int n, int m) {
  for (int i = 1; i <= n*m; i++) cur.push_back(i);
  random_shuffle(cur.begin(),cur.end());
  for (int _ = 1; _ < m-5; _++) {
    v.clear();
    for (int i = 0; i < cur.size(); i += 8) {
      while (1) {
        q = v;
        for (int j = i+8; j < cur.size(); j++) if (!b[cur[j]]) q.push_back(cur[j]);
        if (Query(q)) break;
        tmp.clear();
        for (int j = i; j < min(i+8,(int)cur.size()); j++) if (!b[cur[j]]) tmp.push_back(cur[j]);
        int l = 0, r = (int)tmp.size()-1;
        while (l < r) {
          int mid = (l+r)/2;
          q = v;
          for (int j = mid+1; j < tmp.size(); j++) q.push_back(tmp[j]);
          for (int j = i+8; j < cur.size(); j++) if (!b[cur[j]]) q.push_back(cur[j]);
          if (Query(q)) l = mid+1;
          else r = mid;
        }
        b[tmp[l]] = 1;
        v.push_back(tmp[l]);
        if (v.size() == n) goto skip;
      }
    }
    skip:;
    tmp.clear();
    for (int i = 0; i < cur.size(); i++) if (!b[cur[i]]) tmp.push_back(cur[i]);
    Answer(v);
    cur = tmp;
  }
  for (int _ = m-5; _ < m; _++) {
    v.clear();
    for (int i = 0; i < cur.size(); i++) {
      q = v;
      for (int j = i+1; j < cur.size(); j++) q.push_back(cur[j]);
      if (Query(q)) continue;
      b[cur[i]] = 1;
      v.push_back(cur[i]);
      if (v.size() == n) goto skipp;
    }
    skipp:;
    tmp.clear();
    for (int i = 0; i < cur.size(); i++) if (!b[cur[i]]) tmp.push_back(cur[i]);
    Answer(v);
    cur = tmp;
  }
  Answer(cur);
}

Compilation message

dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for (int i = 0; i < cur.size(); i += 8) {
      |                     ~~^~~~~~~~~~~~
dango3.cpp:22:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for (int j = i+8; j < cur.size(); j++) if (!b[cur[j]]) q.push_back(cur[j]);
      |                           ~~^~~~~~~~~~~~
dango3.cpp:30:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |           for (int j = mid+1; j < tmp.size(); j++) q.push_back(tmp[j]);
      |                               ~~^~~~~~~~~~~~
dango3.cpp:31:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |           for (int j = i+8; j < cur.size(); j++) if (!b[cur[j]]) q.push_back(cur[j]);
      |                             ~~^~~~~~~~~~~~
dango3.cpp:37:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |         if (v.size() == n) goto skip;
      |             ~~~~~~~~~^~~~
dango3.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for (int i = 0; i < cur.size(); i++) if (!b[cur[i]]) tmp.push_back(cur[i]);
      |                     ~~^~~~~~~~~~~~
dango3.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 < cur.size(); i++) {
      |                     ~~^~~~~~~~~~~~
dango3.cpp:50:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |       for (int j = i+1; j < cur.size(); j++) q.push_back(cur[j]);
      |                         ~~^~~~~~~~~~~~
dango3.cpp:54:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   54 |       if (v.size() == n) goto skipp;
      |           ~~~~~~~~~^~~~
dango3.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for (int i = 0; i < cur.size(); i++) if (!b[cur[i]]) tmp.push_back(cur[i]);
      |                     ~~^~~~~~~~~~~~

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Wrong Answer [4]
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 348 KB Output is correct
5 Correct 4 ms 348 KB Output is correct
6 Correct 3 ms 520 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 600 KB Output is correct
2 Correct 58 ms 604 KB Output is correct
3 Correct 55 ms 604 KB Output is correct
4 Correct 53 ms 604 KB Output is correct
5 Correct 53 ms 604 KB Output is correct
6 Correct 52 ms 604 KB Output is correct

Subtask #4
0 / 78.0

# Verdict Execution time Memory Grader output
1 Incorrect 211 ms 600 KB Wrong Answer [3]
2 Halted 0 ms 0 KB -