oj.uz

Submission #928517

# Submission time Handle Problem Language Result Execution time Memory
928517 2024-02-16T14:15:01 Z GrindMachine Mechanical Doll (IOI18_doll) C++17
100 / 100
 107 ms 9452 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

/*



*/

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

#include "doll.h"

void create_circuit(int m, std::vector<int> a) {
    // int N = A.size();
    // std::vector<int> C(M + 1);
    // C[0] = -1;
    // for (int i = 1; i <= M; ++i) {
    //     C[i] = 1;
    // }
    // std::vector<int> X(N), Y(N);
    // for (int k = 0; k < N; ++k) {
    //     X[k] = Y[k] = A[k];
    // }
    // answer(C, X, Y);

    int n = sz(a);
    a.pb(0);
    vector<int> b(m+1);
    b[0] = a[0];

    vector<int> sx(1), sy(1), leaf(1), flipped(1);

    int siz = 1;
    while(siz <= n) siz <<= 1;
    int chain_siz = __lg(siz);

    int root = 1;

    rep1(i,m){
        b[i] = -root;
    }
    b[0] = a[0];

    rep1(i,chain_siz){
        sx.pb(0), sy.pb(0);
    }
    rep1(i,chain_siz-1){
        sx[root-1+i] = -root;
        sy[root-1+i] = -(root+i);
    }

    sx[root-1+chain_siz] = -root;
    sy[root-1+chain_siz] = 0;

    rev(bit,chain_siz-1,0){
        if(!(n&(1<<bit))) conts;
        if(!bit){
            while(sz(leaf) < sz(sx)){
                leaf.pb(0);
            }
            leaf[root-1+chain_siz] = 1;
            conts;
        }

        // build bin tree, depth = bit-1
        int pos_on_chain = root-1+chain_siz-bit;
        int ptr = sz(sx);
        sx.pb(-root), sy.pb(-root);
        sx[pos_on_chain] = -ptr;
        queue<pii> q;
        q.push({ptr,0});

        while(!q.empty()){
            auto [u,d] = q.front();
            q.pop();

            if(d >= bit-1){
                while(sz(leaf) < sz(sx)){
                    leaf.pb(0);
                }
                leaf[u] = 1;
                conts;
            }

            sx[u] = -sz(sx);
            sy[u] = -(sz(sx)+1);

            sx.pb(-root), sy.pb(-root);
            sx.pb(-root), sy.pb(-root);

            q.push({-sx[u],d+1});
            q.push({-sy[u],d+1});
        }
    }

    while(sz(flipped) < sz(sx)){
        flipped.pb(0);
    }

    int ptr = root;
    int cnt = 0;

    while(true){
        if(leaf[ptr]){
            cnt++;
            if(cnt == n) break;

            flipped[ptr] ^= 1;
            int nxt = a[cnt];

            if(flipped[ptr]){
                sx[ptr] = nxt;
            }
            else{
                sy[ptr] = nxt;
            }

            ptr = root;
        }
        else{
            flipped[ptr] ^= 1;
            if(flipped[ptr]){
                ptr = -sx[ptr];
            }
            else{
                ptr = -sy[ptr];
            }
        }
    }

    sx.erase(sx.begin());
    sy.erase(sy.begin());
    int mx_allowed = n+__lg(n-1)+1;
    assert(sz(sx) <= mx_allowed);
    answer(b,sx,sy);
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 39 ms 4104 KB Output is correct
3 Correct 31 ms 3880 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 7 ms 1628 KB Output is correct
6 Correct 56 ms 5512 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 39 ms 4104 KB Output is correct
3 Correct 31 ms 3880 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 7 ms 1628 KB Output is correct
6 Correct 56 ms 5512 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 66 ms 6524 KB Output is correct
9 Correct 64 ms 7028 KB Output is correct
10 Correct 107 ms 9452 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 39 ms 4104 KB Output is correct
3 Correct 31 ms 3880 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 7 ms 1628 KB Output is correct
6 Correct 56 ms 5512 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 66 ms 6524 KB Output is correct
9 Correct 64 ms 7028 KB Output is correct
10 Correct 107 ms 9452 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 97 ms 9044 KB Output is correct
15 Correct 68 ms 6084 KB Output is correct
16 Correct 89 ms 8964 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 90 ms 9100 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 57 ms 5756 KB Output is correct
3 Correct 56 ms 5616 KB Output is correct
4 Correct 92 ms 8264 KB Output is correct

Subtask #6
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 57 ms 5756 KB Output is correct
3 Correct 56 ms 5616 KB Output is correct
4 Correct 92 ms 8264 KB Output is correct
5 Correct 101 ms 8660 KB Output is correct
6 Correct 89 ms 8420 KB Output is correct
7 Correct 87 ms 8684 KB Output is correct
8 Correct 93 ms 8308 KB Output is correct
9 Correct 56 ms 5752 KB Output is correct
10 Correct 87 ms 8424 KB Output is correct
11 Correct 85 ms 8256 KB Output is correct
12 Correct 56 ms 5868 KB Output is correct
13 Correct 58 ms 5756 KB Output is correct
14 Correct 59 ms 6008 KB Output is correct
15 Correct 65 ms 6016 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 49 ms 6860 KB Output is correct
18 Correct 56 ms 5632 KB Output is correct
19 Correct 57 ms 5764 KB Output is correct
20 Correct 89 ms 8424 KB Output is correct
21 Correct 84 ms 8268 KB Output is correct
22 Correct 83 ms 8256 KB Output is correct