제출 #1168006

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1168006		irmuun	Carnival Tickets (IOI20_tickets)	C++17	컴파일 에러	0 ms	0 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

ll find_maximum(int k,vector<vector<int>>x){
    int n=x.size(),m=x[0].size();
    auto s=vector(n,vector<int>(m,-1));
    priority_queue<pair<int,int>>p;
    ll ans=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            if(j<k){
                ans-=(ll)x[i][j];
                if(j==k-1) p.push({x[i][j]+x[i][j+m-k],i});
            }
        }
    }
    vector<int>r(n,k-1);
    vector<int>L(n,0),R(n,m-1);
    for(int c=0;c<n*k/2;c++){
        auto [add,i]=p.top();
        ans+=(ll)add;
        p.pop();
        r[i]--;
        if(r[i]>0) p.push({x[i][r[i]]+x[i][r[i]+m-k],i});
    }
    vector<pair<int,int>>cnt;
    for(int i=0;i<n;i++){
        cnt.pb({r[i]+1,i});
    }
    for(int i=0;i<k;i++){
        sort(rall(cnt));
        for(int j=0;j<n;j++){
            if(j<n/2){
                s[cnt[j].ss][R[cnt[j].ss]--]=i;
                cnt[j].ff--;
            }
            else{
                s[cnt[j].ss][L[cnt[j].ss]++]=i;
            }
        }
    }
    allocate_tickets(s);
    return ans;
}

int main(){
    int n,m,k;
    cin>>n>>m>>k;
    auto x=vector(n,vector<int>(m));
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>x[i][j];
        }
    }
    cout<<find_maximum(k,x)<<"\n";
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccbjh5zx.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLVSXIL.o:tickets.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status