Submission #836064

#	Time	Username	Problem	Language	Result	Execution time	Memory
836064		Liudas	Minerals (JOI19_minerals)	C++17	40 / 100	20 ms	3036 KiB

minerals

#include "minerals.h"
#include "minerals.h"
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <iostream>
using namespace std;
void div(vector<int> start, vector<int> end){
  int N = start.size();
  vector<int> l, r, le, re;
  //cout << start.size() << " " << end.size() << endl;
  if(start.size() == 1){
    Answer(start[0], end[0]);
    return;
  }
  for(int i = 0; i < N/2; i ++){
    Query(start[i]);
    l.push_back(start[i]);
  }
  for(int i = N/2; i < N; i ++){
    r.push_back(start[i]);
  }
  for(int i = 0; i < N; i ++){
    if(Query(end[i]) == l.size()){
      le.push_back(end[i]);
    }
    else{
      re.push_back(end[i]);
    }
    Query(end[i]);
  }
  for(int i : l){
    Query(i);
  }
  div(l, le);
  div(r, re);
}
void Solve(int N) {
  vector<int> start, end;
  for(int i = 0; i < N * 2; i ++){
    int t = start.size();
    int ans = Query(i+1);
    if(ans == t + 1){
      start.push_back(i+1);
    }
    else{
      end.push_back(i+1);
      Query(i+1);
    }
  }
  for(int i : start)Query(i);
  div(start, end);
}

Compilation message (stderr)

minerals.cpp: In function 'void div(std::vector<int>, std::vector<int>)':
minerals.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     if(Query(end[i]) == l.size()){
      |        ~~~~~~~~~~~~~~^~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
• Subtask 4: 0 / 30
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10