Submission #993159

#	Time	Username	Problem	Language	Result	Execution time	Memory
993159		amine_aroua	Art Collections (BOI22_art)	C++17	100 / 100	1278 ms	2036 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define pb push_back
#define fore(i , n) for(int i = 0 ; i< n;i++)
#define forr(i , x , y) for(int i = x; i <= y; i++)
#define forn(i , x , y) for(int i = x; i >= y ; i--)
vector<int> conv(deque<int> &dq)
{
    vector<int> ans;
    for(auto x :dq)
        ans.pb(x);
    return ans;
}
int publish(vector<int> v);
void answer(vector<int> v);
void solve(int N) {
    deque<int> perm;
    forr(i , 1 ,N)
    {
        perm.pb(i);
    }
    vector<int> pos(N + 1 , -1);
    vector<int> final(N , -1);
    int prev = publish(conv(perm));
    forr(i , 1 , N - 1)
    {
        int l = perm.back();
        perm.pop_back();
        perm.push_front(l);
        int nw = publish(conv(perm));
        int after = (N - 1 + nw - prev)/2;
        pos[l] = after;
        prev = nw;
    }
    int missing = 0;
    forr(i , 1 , N)
    {
        if(pos[i] == -1)
        {
            missing = i;
            continue;
        }
        final[pos[i]] = i;
    }
    fore(i , N)
    {
        if(final[i] == -1)
            final[i] = missing;
    }
    answer(final);
}

Compilation message (stderr)

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: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30