oj.uz

Submission #927195

# Submission time Handle Problem Language Result Execution time Memory
927195 2024-02-14T11:49:38 Z GrindMachine Mechanical Doll (IOI18_doll) C++17
71.553 / 100
 85 ms 14124 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> pos[m+1];
    rep(i,n) pos[a[i]].pb(i);

    vector<int> sx(1), sy(1), leaf(1), flipped(1);
    int last_guy = inf1, last_type = inf1;

    vector<int> leave(m+1);

    rep1(x,m){
        int c = sz(pos[x]);
        if(c == 0) conts;

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

        int root = sz(sx);
        b[x] = -root;

        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] = inf1;
        leave[x] = -(root-1+chain_siz);

        rev(bit,chain_siz-1,0){
            if(!(c&(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(0), sy.pb(0);
            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(0), sy.pb(0);
                sx.pb(0), sy.pb(0);

                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 > c) break;
                flipped[ptr] ^= 1;
                int i = pos[x][cnt-1];
                int nxt = 0;
                if(i+1 < n) nxt = a[i+1];
                else{
                    last_guy = ptr;
                    last_type = flipped[ptr];
                }

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

                ptr = root;

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

    vector<pii> pending;
    rep1(i,m){
        if(!pos[i].empty()){
            pending.pb({b[i],leave[i]});
        }
    }

    pending.pb({0,0});

    if(last_type == 1){
        sx[last_guy] = pending[0].ff;
    }
    else{
        sy[last_guy] = pending[0].ff;
    }

    rep(i,sz(pending)-1){
        sy[-pending[i].ss] = pending[i+1].ff;
    }

    sx.erase(sx.begin());
    sy.erase(sy.begin());
    assert(sz(sx) <= 2*n);
    answer(b,sx,sy);
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 32 ms 9864 KB Output is correct
3 Correct 28 ms 8660 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 9 ms 4188 KB Output is correct
6 Correct 42 ms 12216 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 32 ms 9864 KB Output is correct
3 Correct 28 ms 8660 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 9 ms 4188 KB Output is correct
6 Correct 42 ms 12216 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 61 ms 13272 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 32 ms 9864 KB Output is correct
3 Correct 28 ms 8660 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 9 ms 4188 KB Output is correct
6 Correct 42 ms 12216 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Incorrect 61 ms 13272 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

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

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 56 ms 6564 KB Output is correct
3 Correct 54 ms 6136 KB Output is correct
4 Correct 85 ms 9036 KB Output is correct

Subtask #6
41.5530038336 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 56 ms 6564 KB Output is correct
3 Correct 54 ms 6136 KB Output is correct
4 Correct 85 ms 9036 KB Output is correct
5 Partially correct 72 ms 14124 KB Output is partially correct
6 Partially correct 71 ms 13492 KB Output is partially correct
7 Partially correct 70 ms 13636 KB Output is partially correct
8 Partially correct 63 ms 12620 KB Output is partially correct
9 Partially correct 50 ms 6700 KB Output is partially correct
10 Partially correct 79 ms 12360 KB Output is partially correct
11 Partially correct 60 ms 10816 KB Output is partially correct
12 Partially correct 39 ms 7892 KB Output is partially correct
13 Partially correct 44 ms 9176 KB Output is partially correct
14 Partially correct 46 ms 9932 KB Output is partially correct
15 Partially correct 47 ms 10188 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Partially correct 37 ms 7636 KB Output is partially correct
18 Partially correct 39 ms 7796 KB Output is partially correct
19 Partially correct 36 ms 7640 KB Output is partially correct
20 Partially correct 55 ms 10568 KB Output is partially correct
21 Partially correct 59 ms 10560 KB Output is partially correct
22 Partially correct 54 ms 10056 KB Output is partially correct