Submission #749950

#	Time	Username	Problem	Language	Result	Execution time	Memory
749950		Abrar_Al_Samit	Holiday (IOI14_holiday)	C++17	47 / 100	5029 ms	5324 KiB

holiday

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

int get(int i, int j, int x) {
    return j-i + min(x-i, j-x);
}
long long int findMaxAttraction(int n, int start, int d, int a[]) {
    if(d==0) return 0;

    long long ans = 0;
    for(int i=0; i<=start; ++i) {
        if(start-i>d) continue;

        multiset<int>list;
        long long cur = 0;
        for(int j=i; j<start; ++j) {
            list.insert(a[j]);

            cur += a[j];
        }
        while(list.size()+start-i>d) {
            cur -= *list.begin();
            list.erase(list.begin());
        }

        for(int j=start; j<n && get(i, j, start)<d; ++j) {
            int travel_cost = get(i, j, start);
            if(travel_cost+list.size()>d) {
                cur -= *list.begin();
                list.erase(list.begin());
            }   
            if(travel_cost+list.size()>d) {
                cur -= *list.begin();
                list.erase(list.begin());
            }   

            if(travel_cost+list.size()<d) {
                list.insert(a[j]);
                cur += a[j];
            } else {
                if(a[j]>*list.begin()) {
                    cur -= *list.begin();
                    list.erase(list.begin());
                    cur += a[j];
                    list.insert(a[j]);
                }
            }

            ans = max(ans, cur);
        }
    }
    return ans;
}

Compilation message (stderr)

holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:22:34: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |         while(list.size()+start-i>d) {
      |               ~~~~~~~~~~~~~~~~~~~^~
holiday.cpp:29:39: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |             if(travel_cost+list.size()>d) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~
holiday.cpp:33:39: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |             if(travel_cost+list.size()>d) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~
holiday.cpp:38:39: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   38 |             if(travel_cost+list.size()<d) {
      |                ~~~~~~~~~~~~~~~~~~~~~~~^~

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