Submission #782180

#	Time	Username	Problem	Language	Result	Execution time	Memory
782180		I_Love_EliskaM_	Holiday (IOI14_holiday)	C++14	47 / 100	5068 ms	2388 KiB

holiday

#include "holiday.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0;i<n;++i)
#define pb push_back
#define all(x) x.begin(),x.end()
#define pi pair<int,int>
#define f first
#define s second
using ll = long long;
const int inf=1e9;

ll findMaxAttraction(int n, int s, int d, int b[]) {
  vector<int> a(n); forn(i,n) a[i]=b[i];
  ll ans=0;
  int D=d;
  for (int l=s; l>=0; --l) {
    if (!d) break;
    ll sum=0;
    priority_queue<int> q;
    for (int j=l; j<min(l+d,n); ++j) {
      sum+=a[j];
      q.push(-a[j]);
      while (q.size()+j-l > d) {
        sum+=q.top();
        q.pop();
      }
      ans=max(ans,sum);
    }
    --d;
  }
  if (s==0) return ans;
  reverse(all(a)); s=n-1-s;
  d=D;
  for (int l=s; l>=0; --l) {
    if (!d) break;
    ll sum=0;
    priority_queue<int> q;
    for (int j=l; j<min(l+d,n); ++j) {
      sum+=a[j];
      q.push(-a[j]);
      while (q.size()+j-l > d) {
        sum+=q.top();
        q.pop();
      }
      ans=max(ans,sum);
    }
    --d;
  }
  return ans;
}

Compilation message (stderr)

holiday.cpp: In function 'll findMaxAttraction(int, int, int, int*)':
holiday.cpp:24:27: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |       while (q.size()+j-l > d) {
      |              ~~~~~~~~~~~~~^~~
holiday.cpp:42:27: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   42 |       while (q.size()+j-l > d) {
      |              ~~~~~~~~~~~~~^~~

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 17 / 17
• Subtask 4: 0 / 53