Submission #1005441

# Submission time Handle Problem Language Result Execution time Memory
1005441 2024-06-22T12:47:00 Z GrindMachine The Collection Game (BOI21_swaps) C++17
0 / 100
1 ms 344 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*

read the edi a long time back, remember some key ideas from there

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

#include "swaps.h"

vector<int> bitonic_sort(vector<int> &a){
    int siz = sz(a);
    if(siz <= 1) return a;

    rep(i,siz/2){
        schedule(a[i],a[i+siz/2]);
    }

    auto res = visit();
    rep(i,siz/2){
        if(!res[i]){
            swap(a[i],a[i+siz/2]);
        }
    }

    vector<int> b,c;
    rep(i,siz){
        if(i < siz/2){
            b.pb(a[i]);
        }
        else{
            c.pb(a[i]);
        }
    }

    b = bitonic_sort(b);
    c = bitonic_sort(c);

    trav(x,c) b.pb(x);
    return b;
}

vector<int> sort(vector<int> &a){
    int siz = sz(a);
    if(siz <= 1) return a;
    vector<int> b,c;
    rep(i,siz){
        if(i < siz/2){
            b.pb(a[i]);
        }
        else{
            c.pb(a[i]);
        }
    }

    b = sort(b);
    c = sort(c);
    reverse(all(c));
    trav(x,c) b.pb(x);

    return bitonic_sort(b);
}

void solve(int n, int V) {
    vector<int> a(n);
    rep(i,n) a[i] = i+1;

    auto ans = sort(a);
    answer(ans);
}
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Not correct
2 Halted 0 ms 0 KB -