oj.uz

Submission #587143

# Submission time Handle Problem Language Result Execution time Memory
587143 2022-07-01T11:36:32 Z Jomnoi Holiday (IOI14_holiday) C++17
47 / 100
 140 ms 1712 KB 
#include <bits/stdc++.h>
#include"holiday.h"
using namespace std;

const int MAX_N = 1e5 + 5;

int N;
int A[MAX_N];

long long int findMaxAttraction(int n, int start, int d, int attraction[]) {
    N = n;
    for(int i = 0; i < N; i++) {
        A[i] = attraction[i];
    }

    long long ans = 0;
    if(N <= 3000) {
        for(int l = 0; l <= start; l++) {
            long long sum = 0;
            priority_queue <int, vector <int>, greater <int>> pq;
            for(int i = l; i < start; i++) {
                sum += A[i];
                pq.push(A[i]);
            }
            for(int r = start; r < N; r++) {
                sum += A[r];
                pq.push(A[r]);
                while(pq.size() > max(0, d - (r - l) - min(start - l, r - start))) {
                    sum -= pq.top();
                    pq.pop();
                }

                ans = max(ans, sum);
            }
        }
    }
    else if(start == 0) {
        long long sum = 0;
        priority_queue <int, vector <int>, greater <int>> pq;
        for(int i = 0; i < N; i++) {
            sum += A[i];
            pq.push(A[i]);
            while(pq.size() > max(0, d - i)) {
                sum -= pq.top();
                pq.pop();
            }
            
            ans = max(ans, sum);
        }
    }
    return ans;
}

Compilation message

holiday.cpp: In function 'long long int findMaxAttraction(int, int, int, int*)':
holiday.cpp:28:33: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int, std::vector<int>, std::greater<int> >::size_type' {aka 'long unsigned int'} and 'const int' [-Wsign-compare]
   28 |                 while(pq.size() > max(0, d - (r - l) - min(start - l, r - start))) {
      |                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
holiday.cpp:43:29: warning: comparison of integer expressions of different signedness: 'std::priority_queue<int, std::vector<int>, std::greater<int> >::size_type' {aka 'long unsigned int'} and 'const int' [-Wsign-compare]
   43 |             while(pq.size() > max(0, d - i)) {
      |                   ~~~~~~~~~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 596 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1616 KB Output is correct
2 Correct 9 ms 1616 KB Output is correct
3 Correct 9 ms 1616 KB Output is correct
4 Correct 10 ms 1712 KB Output is correct
5 Correct 19 ms 1328 KB Output is correct
6 Correct 4 ms 980 KB Output is correct
7 Correct 6 ms 1236 KB Output is correct
8 Correct 11 ms 1324 KB Output is correct
9 Correct 3 ms 980 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 724 KB Output is correct
2 Correct 20 ms 724 KB Output is correct
3 Correct 21 ms 724 KB Output is correct
4 Correct 120 ms 704 KB Output is correct
5 Correct 140 ms 704 KB Output is correct
6 Correct 3 ms 596 KB Output is correct
7 Correct 10 ms 708 KB Output is correct
8 Correct 14 ms 596 KB Output is correct
9 Correct 17 ms 596 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 980 KB Output isn't correct
2 Halted 0 ms 0 KB -