Submission #1026222

#	Time	Username	Problem	Language	Result	Execution time	Memory
1026222		Malix	Meetings (IOI18_meetings)	C++14	19 / 100	2364 ms	786432 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;
typedef vector<ll> li;
typedef vector<li> lii;

#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))

ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

std::vector<long long> minimum_costs(std::vector<int> H, std::vector<int> L,
                                     std::vector<int> R) {
  int n=H.size();
  int q=L.size();
  li ans(q,INF);
  lii a(n,li(n,0));
  REP(i,0,n){
    int k=H[i];
    REP(j,i,n){
      k=max(k,H[j]);
      a[i][j]=k;
    }
    k=H[i];
    for(int j=i;j>=0;j--){
      k=max(k,H[j]);
      a[i][j]=k;
    }
  }
  REP(i,0,n){
    REP(j,i+1,n)a[i][j]+=a[i][j-1];
    for(int j=i-1;j>=0;j--)a[i][j]+=a[i][j+1];
  }
  //REP(i,0,n)cerr<<a[3][i]<<" ";
  REP(i,0,q)REP(j,L[i],R[i]+1)ans[i]=min(ans[i],a[j][L[i]]+a[j][R[i]]-a[j][j]);
  return ans;
}

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 0 / 17
• Subtask 4: 0 / 24
• Subtask 5: 0 / 40