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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#125566#6317. XOR Tree PathEnergy_is_not_over#RE 0ms0kbC++175.0kb2023-07-16 21:38:152023-07-16 21:38:17

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你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-07-16 21:38:17]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:0kb
  • [2023-07-16 21:38:15]
  • 提交

answer

//#pragma GCC optimize("Ofast", "unroll-loops")
//#pragma GCC target("sse", "sse2", "sse3", "ssse3", "sse4")

#ifdef __APPLE__
#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstdint>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <random>
#include <deque>
#include <functional>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <complex>
#include <numeric>
#include <cassert>
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <thread>
#else
#include <bits/stdc++.h>
#endif

#define all(a) a.begin(),a.end()
#define len(a) (int)(a.size())
#define mp make_pair
#define pb push_back
#define fir first
#define sec second
#define fi first
#define se second

using namespace std;

typedef pair<int, int> pii;
typedef long long ll;
typedef long double ld;

template<typename T>
bool umin(T &a, T b) {
    if (b < a) {
        a = b;
        return true;
    }
    return false;
}
template<typename T>
bool umax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

#if __APPLE__
#define D for (bool _FLAG = true; _FLAG; _FLAG = false)
#define LOG(...) print(#__VA_ARGS__" ::", __VA_ARGS__) << endl
template <class ...Ts> auto &print(Ts ...ts) { return ((cerr << ts << " "), ...); }
#else
#define D while (false)
#define LOG(...)
#endif

const int max_n = -1, inf = 1000111222;

struct one_move
{
    int a,b;
};

struct four_moves
{
    one_move moves[4];
};

const int N=16;

struct state
{
    int l[N+1];
    vector<four_moves> moves;

    bool is_ok(int p)
    {
        for (int i=1;i<=p;i++){
            if (l[i]!=1){
                return false;
            }
        }
        return true;
    }
};

bool cmp1(const state& lhs,const state& rhs)
{
    for (int i=1;i<=N;i++){
        if (lhs.l[i]!=rhs.l[i]){
            return lhs.l[i]<rhs.l[i];
        }
    }
    return 0;
}

int f(const state& a)
{
    int res=0;
    for (int i=1;i<=N;i++){
        res+=a.l[i];
    }
    return res;
}

bool cmp2(const state& lhs,const state& rhs)
{
    return f(lhs)<f(rhs);
}

state start;

state answer[17];

int main() {
//    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);

    ios_base::sync_with_stdio(0);
    cin.tie(0);

    for (int i=1;i<=N;i++){
        start.l[i]=i;
    }

    const int max_states=10000;
    vector<state> s;
    s.pb(start);

    for (int i=0;i<10;i++){
        LOG("on dist ",i);
//        D{
//            for (auto i:s){
//                cerr<<"{";
//                for (int j=1;j<=N;j++){
//                    cerr<<i.l[j]<<",";
//                }
//                cerr<<"}";
//                cerr<<"\n";
//            }
//        };
        LOG("len of s is ",len(s));
        vector<state> new_s;
        for (auto j:s){
            for (int k=1;k<=N;k++){
                if (answer[k].l[1]==0 && j.is_ok(k)){
                    answer[k]=j;
                    LOG("found answer",k,i);
                    if (k==N){
                        goto finish;
                    }
                }
            }
            #define f(a,start) for (int a=start;a<=N;a++)
            f(i1,1)
            f(i2,i1)
            f(i3,i2)
            f(i4,i3){
                state new_state=j;
                four_moves cur_moves;
                cur_moves.moves[0]=one_move{j.l[i1]==1 ? -1 : j.l[i1]-1,i1};
                cur_moves.moves[1]=one_move{j.l[i2]==1 ? -1 : j.l[i2]-1,i2};
                cur_moves.moves[2]=one_move{j.l[i3]==1 ? -1 : j.l[i3]-1,i3};
                cur_moves.moves[3]=one_move{j.l[i4]==1 ? -1 : j.l[i4]-1,i4};
                new_state.moves.pb(cur_moves);
                if (j.l[i1]!=1)
                    new_state.l[i1]=j.l[j.l[i1]-1];
                if (j.l[i2]!=1)
                    new_state.l[i2]=j.l[j.l[i2]-1];
                if (j.l[i3]!=1)
                    new_state.l[i3]=j.l[j.l[i3]-1];
                if (j.l[i4]!=1)
                    new_state.l[i4]=j.l[j.l[i4]-1];
                new_s.pb(new_state);
            }
        }
        s=new_s;
        sort(all(s),cmp1);
        vector<state> new_s_s;
        for (auto i:s){
            if (new_s_s.empty() || (cmp1(i,new_s_s.back()) || !cmp1(i,new_s_s.back()))){
                new_s_s.pb(i);
            }
        }
        s=new_s_s;
        sort(all(s),cmp2);
        if (len(s)>max_states){
            s.resize(max_states);
        }
    }
    finish:;
    for (int i=1;i<=N;i++){
        cout<<answer[i].moves.size()<<" ";
        for (auto j:answer[i].moves){
            for (int k=0;k<4;k++){
                cout<<j.moves[k].a<<" "<<j.moves[k].b<<" ";
            }
        }
    }
}

详细

Test #1:

score: 0
Dangerous Syscalls

input:

5
1 0 0 1 0
1 2
1 3
3 4
3 5

output:


result: