Submission #599276

#	Time	Username	Problem	Language	Result	Execution time	Memory
599276		MohamedAliSaidane	Jousting tournament (IOI12_tournament)	C++14	17 / 100	1075 ms	3276 KiB

tournament

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
//#include "tournament.h"
        using namespace __gnu_pbds;
        using namespace std;

        typedef tree<int,null_type,less<int>,rb_tree_tag,
        tree_order_statistics_node_update> indexed_set;

        typedef long long ll;
        typedef long double ld;

        ///#define int ll

        typedef pair<int,int> pii;
        typedef pair<ll,ll> pll;
        typedef pair<ld,ld> pld;

        typedef vector<int> vi;
        typedef vector<ll> vll;
        typedef vector<pii> vpi;
        typedef vector<pll> vpl;

        #define pb push_back
        #define popb pop_back
        #define pp pop_back
        #define pf push_front
        #define popf pop_front
        #define all(x) (x).begin(),(x).end()
        #define ff first
        #define ss second



        int nx[4] = {0,0,1,-1}, ny[4] = {1,-1,0,0};
        ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;}
        ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);}


        const ll MOD =   998244353;

        int n, c, r;
        int GetBestPosition(int N, int C, int R, int *K, int *S, int *E)
        {
            n = N, c=  C, r = R;
            int *k = K, *s = S, *e = E;
            int curmax =0, curpos = 0;
            for(int pos =0; pos < n; pos ++)
            {
                //cout << pos << endl;
                indexed_set rem;
                vi pow(n);
                for(int i=  0; i < n; i++)
                {
                    rem.insert(i);
                    pow[i] = (i < pos)? k[i]: i == pos? r: k[i - 1];
                }
                int now = 0;
                for(int round = 0; round < c; round ++)
                {
                    //cout << round << endl;
                    int maxi = 0;
                    for(int j = s[round]; j <= e[round]; j ++)
                    {
                        int u= *(rem.find_by_order(j));
                       // cout << j << ' ' << u << endl;
                        maxi = max(maxi, pow[u]);
                    }
                    //cout << "here" << endl;
                    now += (maxi == r);
                    vi remv;
                    bool flag= true;
                    for(int j = s[round]; j <= e[round]; j ++)
                    {
                        int u= *(rem.find_by_order(j));
                        if(pow[u] < maxi)
                        {
                            if(u == pos)
                            {
                                flag = false;

                                break;
                            }
                            remv.pb(u);
                        }
                    }
                    for(auto e: remv)
                        rem.erase(e);
                    if(!flag)
                    {
                        if(now > curmax)
                        {
                            curmax = now;
                            curpos = pos;
                        }
                        break;
                    }
                }
            }
            //cout << curmax << '\n';
            return curpos;
        }
        /*
        int32_t main()
        {
            ios::sync_with_stdio(false);
            cin.tie(0); cout.tie(0);
            int tt = 1; //'cin >> tt;
            int N, C, R;
            cin >> N >> C >> R;
            int *K, *S, *E;
            K = (int*) malloc((N-1) * sizeof(int));
            S = (int*) malloc(C * sizeof(int));
            E = (int*) malloc(C * sizeof(int));
           for (int i = 0; i < N-1; i++)
           {
                scanf("%d", &K[i]);
           }
           for (int i = 0; i < C; i++)
           {
            scanf("%d %d", &S[i], &E[i]);
           }
          cout << GetBestPosition(N,C,R,K,S,E) ;

        }
        */

• Subtask 1: 17 / 17
• Subtask 2: 0 / 32
• Subtask 3: 0 / 51