oj.uz

답안 #926955

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926955 2024-02-14T05:49:04 Z GrindMachine 자동 인형 (IOI18_doll) C++17
53 / 100
 119 ms 14820 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);
    vector<int> b(m+1);

    vector<int> pos[m+1];
    rep(i,n) pos[a[i]].pb(i);
    
    vector<int> root(m+1);
    vector<int> sx(1), sy(1), flipped;
    int switch_ptr = 1;

    rep1(i,m){
        if(sz(pos[i]) <= 1) conts;
        root[i] = -switch_ptr;
        sx.pb(0), sy.pb(0);
        switch_ptr++;
    }

    b[0] = a[0];
    rep(i,n){
        b[a[i]] = root[a[i]];
    }

    ll last_guy = inf2, last_type = inf2;
    vector<pll> pending;

    rep1(x,m){
        if(pos[x].empty()) conts;
        auto &p = pos[x];
        int c = sz(p);
        if(c == 1){
            ll i = p[0];
            if(i+1 < n){
                b[x] = a[i+1];
            }
            else{
                last_guy = x;
            }

            conts;
        }

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

        queue<pll> q;
        q.push({root[x],0});
        ll depth = __lg(siz)-1;

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

            sx[-u] = -switch_ptr;
            sx.pb(0), sy.pb(0);
            switch_ptr++;

            sy[-u] = -switch_ptr;
            sx.pb(0), sy.pb(0);
            switch_ptr++;

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

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

        rep1(iter,siz){
            int ptr = root[x];
            rep1(d,depth){
                flipped[-ptr] ^= 1;
                if(flipped[-ptr]){
                    ptr = sx[-ptr];
                }
                else{
                    ptr = sy[-ptr];
                }
            }

            if(iter <= c){
                ll i = p[iter-1];
                if(i+1 < n){
                    ll nxt = a[i+1];
                    flipped[-ptr] ^= 1;
                    if(flipped[-ptr]){
                        sx[-ptr] = nxt;
                    }
                    else{
                        sy[-ptr] = nxt;
                    }
                }
                else{
                    last_guy = ptr;
                    flipped[-ptr] ^= 1;
                    if(flipped[-ptr]){
                        last_type = 0;
                    }
                    else{
                        last_type = 1;
                    }
                }
            }
            else{
                ll nxt = 0;
                if(iter < siz){
                    nxt = root[x];
                    flipped[-ptr] ^= 1;
                    if(flipped[-ptr]){
                        sx[-ptr] = nxt;
                    }
                    else{
                        sy[-ptr] = nxt;
                    }
                }
                else{
                    flipped[-ptr] ^= 1;
                    pending.pb({root[x],ptr});
                }
            }
        }

        // rep1(iter,siz){
        //     ll ptr = 1;
        //     while(ptr < siz/2){
        //         flipped[ptr] ^= 1;
        //         if(flipped[ptr]){
        //             ptr = ptr*2;
        //         }
        //         else{
        //             ptr = ptr*2+1;
        //         }
        //     }

        //     ll nxt = 0;

        //     if(iter < c){
        //         nxt = 1;
        //     }
        //     else if(iter < siz){
        //         nxt = -1;
        //     }
        //     else{
        //         nxt = 0;
        //     }

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

    assert(accumulate(all(flipped),0ll) == 0);

    pending.pb({0,0});

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

    // rep1(i,siz/2-1){
    //     sx[i] = -(i*2);
    //     sy[i] = -(i*2+1);
    // }

    // rep1(iter,siz){
    //     ll ptr = 1;
    //     while(ptr < siz/2){
    //         flipped[ptr] ^= 1;
    //         if(flipped[ptr]){
    //             ptr = ptr*2;
    //         }
    //         else{
    //             ptr = ptr*2+1;
    //         }
    //     }

    //     ll nxt = 0;

    //     if(iter < n){
    //         nxt = 1;
    //     }
    //     else if(iter < siz){
    //         nxt = -1;
    //     }
    //     else{
    //         nxt = 0;
    //     }

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

    // sx.erase(sx.begin());
    // sy.erase(sy.begin());

    // answer(b,sx,sy);

    // vector<int> cnt(m+1);
    // rep(i,n) cnt[a[i]]++;
    // rep(i,m+1){
    //     if(cnt[i] == 1){
    //         a.pb(i);
    //     }
    // }

    // auto on = n;
    // n = sz(a);
    // b[0] = a[0];
    // vector<int> switch_id(m+1,-1); // trigger i is connected to which switch?
    // int ptr = 1;

    // rep(i,n){
    //     int x = a[i];
    //     if(switch_id[x] == -1){
    //         switch_id[x] = ptr;
    //         b[x] = -ptr;
    //         sx.pb(0);
    //         sy.pb(0);
    //         if(i+1 < on){
    //             sx[ptr] = a[i+1];
    //         }
    //         else if(i+1 < n){
    //             sx[ptr] = -switch_id[a[i+1]];
    //         }
    //         ptr++;
    //     }
    //     else{
    //         b[x] = -switch_id[x];
    //         if(i+1 < on){
    //             sy[switch_id[x]] = a[i+1];
    //         }
    //         else if(i+1 < n){
    //             sy[switch_id[x]] = -switch_id[a[i+1]];
    //         }
    //     }
    // }

    // sx.erase(sx.begin());
    // sy.erase(sy.begin());
    // debug(b);
    // debug(sx);
    // debug(sy);

    // answer(b,sx,sy);
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 20 ms 6748 KB Output is correct
3 Correct 16 ms 5464 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 9 ms 4188 KB Output is correct
6 Correct 25 ms 8264 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 20 ms 6748 KB Output is correct
3 Correct 16 ms 5464 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 9 ms 4188 KB Output is correct
6 Correct 25 ms 8264 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 38 ms 7896 KB Output is correct
9 Correct 37 ms 9308 KB Output is correct
10 Correct 57 ms 11844 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 20 ms 6748 KB Output is correct
3 Correct 16 ms 5464 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 9 ms 4188 KB Output is correct
6 Correct 25 ms 8264 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 38 ms 7896 KB Output is correct
9 Correct 37 ms 9308 KB Output is correct
10 Correct 57 ms 11844 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 82 ms 12984 KB Output is correct
15 Correct 35 ms 6344 KB Output is correct
16 Correct 54 ms 9388 KB Output is correct
17 Correct 0 ms 544 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 66 ms 11976 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
9.0000000036 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 54 ms 6164 KB Output is correct
3 Partially correct 93 ms 10356 KB Output is partially correct
4 Partially correct 99 ms 10956 KB Output is partially correct

Subtask #6
28.0000000112 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 1 ms 348 KB Output is partially correct
2 Correct 54 ms 6164 KB Output is correct
3 Partially correct 93 ms 10356 KB Output is partially correct
4 Partially correct 99 ms 10956 KB Output is partially correct
5 Partially correct 82 ms 13996 KB Output is partially correct
6 Partially correct 89 ms 14628 KB Output is partially correct
7 Partially correct 96 ms 14372 KB Output is partially correct
8 Partially correct 85 ms 14568 KB Output is partially correct
9 Partially correct 93 ms 9844 KB Output is partially correct
10 Partially correct 119 ms 14820 KB Output is partially correct
11 Partially correct 102 ms 14764 KB Output is partially correct
12 Partially correct 63 ms 10032 KB Output is partially correct
13 Partially correct 54 ms 9508 KB Output is partially correct
14 Partially correct 56 ms 9612 KB Output is partially correct
15 Partially correct 55 ms 9212 KB Output is partially correct
16 Partially correct 2 ms 604 KB Output is partially correct
17 Partially correct 46 ms 8100 KB Output is partially correct
18 Partially correct 55 ms 7980 KB Output is partially correct
19 Partially correct 50 ms 8500 KB Output is partially correct
20 Partially correct 66 ms 11052 KB Output is partially correct
21 Partially correct 93 ms 13092 KB Output is partially correct
22 Partially correct 61 ms 10296 KB Output is partially correct