제출 #599218

#제출 시각아이디문제언어결과실행 시간메모리
599218MohamedAliSaidane마상시합 토너먼트 (IOI12_tournament)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

        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;
        vi k, s, e;
        int GetBestPosition(int N, int C, int R, vi K, vi S, vi E)
        {
            n = N, c=  C, r = R, k = K, s = S, e = E;
            int curmax =0, curpos = 0;
            for(int pos =0; pos < n; pos ++)
            {
                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];
                }
                for(int round = 0; round < c; round ++)
                {
                    int mini = n;
                    for(int j = s[round]; j <= e[round]; j ++)
                    {
                        int u= *(rem.find_by_order(j));
                        mini = min(mini, pow[u]);
                    }
                    vi remv;
                    bool flag= true;
                    for(int j = s[round]; j <= e[round]; j ++)
                    {
                        int u= *(rem.find_by_order(j));
                        if(pow[u] > mini)
                        {
                            if(u == pos)
                            {
                                flag = false;
                                if(round > curmax)
                                {
                                    curmax = round;
                                    curpos = pos;
                                }
                                break;
                            }
                            remv.pb(u);
                        }
                        for(auto e: remv)
                            rem.erase(e);
                    }
                    if(!flag)
                        break;
                }
            }
            return curpos;
        }

        int32_t main()
        {
            ios::sync_with_stdio(false);
            cin.tie(0); cout.tie(0);
            int tt = 1; //'cin >> tt;

        }



컴파일 시 표준 에러 (stderr) 메시지

tournament.cpp: In function 'int32_t main()':
tournament.cpp:98:17: warning: unused variable 'tt' [-Wunused-variable]
   98 |             int tt = 1; //'cin >> tt;
      |                 ^~
/usr/bin/ld: /tmp/ccXTkh6F.o: in function `main':
tournament.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZNNxmF.o:grader.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccZNNxmF.o: in function `main':
grader.cpp:(.text.startup+0x118): undefined reference to `GetBestPosition(int, int, int, int*, int*, int*)'
collect2: error: ld returned 1 exit status