이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include "tickets.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x) cerr<< #x <<" = "<< x<<endl;
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
using namespace std;
const int N=1502;
int l[N],r[N],ind[N],a[N][N];
bool cmp(int x,int y){
return (l[x]>l[y]);
}
long long find_maximum(int k, vector<vector<int>> arr) {
int n = arr.size();
int m = arr[0].size();
for(int i=0;i<n;i++)for(int j=0;j<m;j++)a[i+1][j+1]=arr[i][j];
vector<vector<int>> ans;
for (int i = 0; i < n; i++) {
vector<int> row(m,-1);
ans.push_back(row);
}
priority_queue<PII,vector<PII>,greater<PII> >q;
ll S=0;
for(int i=1;i<=n;i++){
r[i]=m-k+1;
l[i]=1;
q.push(mp(a[i][r[i]]+a[i][l[i]],i));
for(int j=m-k+1;j<=m;j++)
S+=a[i][j];
}
for(int rd=1;rd<=(n*k)/2;rd++){
PII nd=q.top();q.pop();
S-=nd.ff;
int i=nd.ss;
l[i]++;r[i]++;
if(r[i]<=m)
q.push(mp(a[i][r[i]]+a[i][l[i]],i));
}
for(int i=1;i<=n;i++)ind[i]=i;
for(int i=1;i<=n;i++)l[i]--,r[i]--;
while(k--){
sort(ind+1,ind+n+1,cmp);
for(int i=1;i<=n/2;i++)
ans[ind[i]-1][--l[ind[i]]]=k;
for(int i=n/2+1;i<=n;i++)
ans[ind[i]-1][r[ind[i]]++]=k;
}
allocate_tickets(ans);
return S;
}
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