Submission #1109620

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109620		n3rm1n	Art Collections (BOI22_art)	C++17	35 / 100	189 ms	608 KiB

art

#include <bits/stdc++.h>
#include "art.h"
using namespace std;

int n;
int try_it(int f, int s)
{
    vector < int > rest;
    for (int i = 1; i <= n; ++ i)
    {
        if(i == f || i == s)continue;
        rest.push_back(i);
    }
    vector < int > fs, sf;
    fs = rest;
    fs.push_back(f);
    fs.push_back(s);
    int feedback1 = publish(fs);
    sf = rest;
    sf.push_back(s);
    sf.push_back(f);
    int feedback2 = publish(sf);
    if(feedback1 < feedback2)
    {
        return 1;
    }
    else return 2;
}
vector < int > combine(vector < int > f, vector < int > s)
{
    vector < int > res;
    int i = 0;
    int j = 0;
    while(i < f.size() && j < s.size())
    {
        int el1 = f[i];
        int el2 = s[j];
        int order = try_it(el1, el2);
        if(order == 1)
        {
            res.push_back(el1);
            i ++;
        }
        else
        {
            res.push_back(el2);
            j ++;
        }
    }
    while(i < f.size())
    {
        res.push_back(f[i]);
        i ++;
    }
    while(j < s.size())
    {
        res.push_back(s[j]);
        j ++;
    }
    return res;
}
vector < int > merge_sort(int l, int r)
{
    if(l == r)
    {
        vector < int > v;
        v.push_back(l);
        return v;
    }
    int mid = (l + r)/2;
    vector < int > fh, sh;
    fh = merge_sort(l, mid);
    sh = merge_sort(mid+1, r);
    return combine(fh, sh);
}
void solve(int N)
{
    n = N;

    vector < int > v = merge_sort(1, n);
    answer(v);
    return;

}

Compilation message (stderr)

art.cpp: In function 'std::vector<int> combine(std::vector<int>, std::vector<int>)':
art.cpp:34:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     while(i < f.size() && j < s.size())
      |           ~~^~~~~~~~~~
art.cpp:34:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     while(i < f.size() && j < s.size())
      |                           ~~^~~~~~~~~~
art.cpp:50:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     while(i < f.size())
      |           ~~^~~~~~~~~~
art.cpp:55:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     while(j < s.size())
      |           ~~^~~~~~~~~~
interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30