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Submission #1005450

# Submission time Handle Problem Language Result Execution time Memory
1005450 2024-06-22T12:59:02 Z GrindMachine The Collection Game (BOI21_swaps) C++17
25 / 100
 29 ms 604 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"

int on;

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

    vector<pii> cmp;

    rep(i,siz/2){
        int j = i+siz/2;

        if(a[i] > on){
            swap(a[i],a[j]);
        }
        else if(a[j] > on){

        }
        else{
            schedule(a[i],a[j]);
            cmp.pb({i,j});
        }
    }

    vector<int> res;
    if(!cmp.empty()){
        res = visit();
    }

    rep(i,sz(res)){
        if(!res[i]){
            swap(a[cmp[i].ff],a[cmp[i].ss]);
        }
    }

    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 on_, int V) {
    on = on_;
    int n = 1;
    while(n < on) n <<= 1;

    vector<int> a(n);
    iota(all(a),1);

    auto ans = sort(a);
    while(sz(ans) > on) ans.pop_back();

    answer(ans);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 3 ms 344 KB Correct
3 Correct 9 ms 344 KB Correct
4 Correct 25 ms 448 KB Correct
5 Correct 29 ms 344 KB Correct
6 Correct 28 ms 344 KB Correct
7 Correct 23 ms 444 KB Correct
8 Correct 19 ms 592 KB Correct

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 3 ms 344 KB Correct
3 Correct 9 ms 600 KB Correct
4 Correct 21 ms 604 KB Correct
5 Correct 20 ms 444 KB Correct
6 Correct 19 ms 344 KB Correct
7 Correct 21 ms 344 KB Correct
8 Correct 20 ms 344 KB Correct
9 Runtime error 5 ms 600 KB Execution killed with signal 13
10 Halted 0 ms 0 KB -

Subtask #3-1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 5 ms 344 KB Correct

Subtask #3-2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 5 ms 344 KB Correct
3 Correct 1 ms 344 KB Correct
4 Correct 4 ms 344 KB Correct

Subtask #4-1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 4 ms 344 KB Correct
3 Correct 8 ms 344 KB Correct
4 Correct 20 ms 440 KB Correct

Subtask #4-2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct
2 Correct 4 ms 344 KB Correct
3 Correct 8 ms 344 KB Correct
4 Correct 20 ms 440 KB Correct
5 Correct 1 ms 344 KB Correct
6 Correct 5 ms 344 KB Correct
7 Correct 9 ms 344 KB Correct
8 Correct 25 ms 452 KB Correct
9 Correct 19 ms 344 KB Correct
10 Correct 25 ms 344 KB Correct
11 Correct 18 ms 440 KB Correct
12 Correct 22 ms 600 KB Correct
13 Correct 0 ms 344 KB Correct
14 Correct 3 ms 344 KB Correct
15 Correct 8 ms 440 KB Correct
16 Correct 20 ms 440 KB Correct

Subtask #5-1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 3 ms 344 KB Correct
3 Correct 9 ms 440 KB Correct
4 Correct 22 ms 444 KB Correct
5 Runtime error 2 ms 344 KB Execution killed with signal 13
6 Halted 0 ms 0 KB -

Subtask #5-2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 3 ms 344 KB Correct
3 Correct 9 ms 440 KB Correct
4 Correct 22 ms 444 KB Correct
5 Runtime error 2 ms 344 KB Execution killed with signal 13
6 Halted 0 ms 0 KB -

Subtask #6-1
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 356 KB Correct
2 Correct 4 ms 344 KB Correct
3 Correct 10 ms 444 KB Correct
4 Correct 21 ms 592 KB Correct
5 Runtime error 2 ms 344 KB Execution killed with signal 13
6 Halted 0 ms 0 KB -

Subtask #6-2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 356 KB Correct
2 Correct 4 ms 344 KB Correct
3 Correct 10 ms 444 KB Correct
4 Correct 21 ms 592 KB Correct
5 Runtime error 2 ms 344 KB Execution killed with signal 13
6 Halted 0 ms 0 KB -

Subtask #7-1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 3 ms 344 KB Correct
3 Correct 11 ms 600 KB Correct
4 Correct 23 ms 344 KB Correct
5 Runtime error 3 ms 600 KB Execution killed with signal 13
6 Halted 0 ms 0 KB -

Subtask #7-2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Correct
2 Correct 3 ms 344 KB Correct
3 Correct 11 ms 600 KB Correct
4 Correct 23 ms 344 KB Correct
5 Runtime error 3 ms 600 KB Execution killed with signal 13
6 Halted 0 ms 0 KB -