Submission #767123

#	Time	Username	Problem	Language	Result	Execution time	Memory
767123		tolbi	Dungeons Game (IOI21_dungeons)	C++17	62 / 100	1044 ms	2097152 KiB

dungeons

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulHamidHan
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
#define author tolbi
#include<bits/stdc++.h>
using namespace std;
template<typename T> vector<int32_t> normalize(vector<T> &rt){vector<int32_t> arr(rt.size());for (int i = 0; i < rt.size(); i++){arr[i]=rt[i];}return arr;}
#define endl '\n'
#define int long long
#define vint(x) vector<int> x
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(), x.end())
#define sortrarr(x) sort(x.rbegin(), x.rend())
#define rev(x) reverse(x.begin(), x.end())
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define tol(bi) (1LL<<((int)(bi)))
#define lsb(x) (x&-x)
const int MOD = 1e9+7;
const int64_t INF = 1e15;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
#include "dungeons.h"
vector<int32_t> s,p,w,l;
int n;
vector<vector<int>> st2;
vector<vector<int>> val2;
vector<vector<int>> mava2;
vector<vector<vector<int>>> st;
vector<vector<vector<int>>> val;
set<int> ele;
map<int,int> mp;
vector<int> revmp;
const int LOG = 60;
bool bb;
int mvv;
void init(int32_t _n, vector<int32_t> _s, vector<int32_t> _p, vector<int32_t> _w, vector<int32_t> _l) {
    n=_n,s=_s,p=_p,w=_w,l=_l;
    mvv = *max_element(s.begin(), s.end());
    mvv = max(mvv,(int)*max_element(p.begin(), p.end()));
    st2.resize(n+1,vector<int>(LOG,-1));
    val2.resize(n+1,vector<int>(LOG,-1));
    mava2.resize(n+1,vector<int>(LOG,-1));
    for (int node = 0; node < n; node++){
        st2[node][0]=w[node];
        mava2[node][0]=s[node];
        val2[node][0]=s[node];
    }
    for (int bit = 1; bit < LOG; bit++){
        for (int node = 0; node < n; node++){
            if (st2[node][bit-1]==-1) continue;
            st2[node][bit]=st2[st2[node][bit-1]][bit-1];
            if (st2[node][bit]==-1) continue;
            val2[node][bit]=val2[node][bit-1]+val2[st2[node][bit-1]][bit-1];
            mava2[node][bit]=max(mava2[node][bit-1],mava2[st2[node][bit-1]][bit-1]);
            if (val2[node][bit]>INF){
                val2[node][bit]=st2[node][bit]=mava2[node][bit]=-1;
            }
        }
    }
    bb=true;
    for (int i = 0; i < n; ++i)
    {
        if (s[i]!=p[i]){
            bb=false;
            break;
        }
    }
    if (bb) {
        return;
    }
    if (mvv<=10000) return;
    ele.insert(0);
    for (int i = 0; i < s.size(); i++){
        ele.insert(s[i]);
    }
    int ind = 0;
    for (auto it : ele){
        mp[it]=ind++;
        revmp.push_back(it);
    }
    st2.clear();
    val2.clear();
    mava2.clear();
    st.resize(ind,vector<vector<int>>(n+1,vector<int>(LOG,-1)));
    val.resize(ind,vector<vector<int>>(n+1,vector<int>(LOG,-1)));
    for (int el = 0; el < ind; el++){
        int va = revmp[el];
        int sin = INF;
        if (el<ind-1) sin = revmp[el+1]-revmp[el];
        for (int i = 0; i < n; i++){
            if (va>=s[i]){
                st[el][i][0]=w[i];
                val[el][i][0]=s[i];
            }
            else {
                st[el][i][0]=l[i];
                val[el][i][0]=p[i];
            }
            if (val[el][i][0]>=sin) {
                st[el][i][0]=val[el][i][0]=-1;
            }
        }
        for (int bit = 1; bit < LOG; bit++){
            for (int i = 0; i < n; ++i)
            {
                if (st[el][i][bit-1]==-1) continue;
                st[el][i][bit]=st[el][st[el][i][bit-1]][bit-1];
                if (st[el][i][bit]==-1) continue;
                val[el][i][bit]=val[el][i][bit-1]+val[el][st[el][i][bit-1]][bit-1];
                if (val[el][i][bit]>=sin){
                    st[el][i][bit]=val[el][i][bit]=-1;
                }
            }
        }
    }
}
int simul2(int x, int z){
    for (int bit = LOG-1; bit >= 0; bit--){
        if (st2[x][bit]==-1) continue;
        if (z<mava2[x][bit]) continue;
        z+=val2[x][bit];
        x=st2[x][bit];
    }
    if (x==n) return z;
    if (z>=s[x]){
        z+=s[x];
        x=w[x];
    }
    else {
        z+=p[x];
        x=l[x];
    }
    return simul2(x,z);
}
int bk(int x){
    auto it = ele.lower_bound(x+1);
    it--;
    return *it;
}
int sonr(int x){
    auto it = ele.lower_bound(x+1);
    if (it==ele.end()) return INF;
    return *it;
}
int64_t simul(int32_t x, int64_t z){
    int cur = mp[bk(z)];
    int cc = sonr(z);
    for (int bit = LOG-1; bit >= 0; bit--){
        if (st[cur][x][bit]==-1) continue;
        if (val[cur][x][bit]+z>=cc) continue;
        z+=val[cur][x][bit];
        x=st[cur][x][bit];
    }
    if (x==n) return z;
    if (z>=s[x]){
        z+=s[x];
        x=w[x];
    }
    else {
        z+=p[x];
        x=l[x];
    }
    return simul(x,z);
}
int64_t simulate(int32_t x, int32_t z) {
    if (mvv<=10000){
        int nss = z;
        while (nss<=mvv && x!=n){
            if (nss>=s[x]){
                nss+=s[x];
                x=w[x];
            }
            else {
                nss+=p[x];
                x=l[x];
            }
        }
        for (int bit = LOG-1; bit >= 0; bit--){
            if (st2[x][bit]==-1) continue;
            nss+=val2[x][bit];
            x=st2[x][bit];
        }
        return nss;
    }
    int ans;
    if (!bb){
        ans=simul(x,z);
    }
    else ans = simul2(x,z);
    return ans;
}

Compilation message (stderr)

dungeons.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
dungeons.cpp: In function 'void init(int32_t, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
dungeons.cpp:81:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |     for (int i = 0; i < s.size(); i++){
      |                     ~~^~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 26 / 26
• Subtask 3: 13 / 13
• Subtask 4: 12 / 12
• Subtask 5: 0 / 27
• Subtask 6: 0 / 11