Submission #901315

#	Time	Username	Problem	Language	Result	Execution time	Memory
901315		tkm_algorithms	Sequence (APIO23_sequence)	C++17	11 / 100	2043 ms	6772 KiB

sequence

#include <bits/stdc++.h>

using namespace std;

int sequence(int n, vector<int> a) {
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        multiset<int> x;
        for (int j = i; j < n; ++j) {
            x.insert(a[j]);
            int cnt = 0;
            int d = (j - i) >> 1;
            int b = (j - i + 1) >> 1;
            int c1 = 0, c2 = 0;
            for (auto k: x) {
                if (cnt == d)
                    c1 = k;
                if (cnt == b) {
                    c2 = k;
                    break;
                }
                ++cnt;
            }
            if (x.count(c1) > ans)
                ans = x.count(c1);
            if (x.count(c2) > ans)
                ans = x.count(c2);
//            cout << x.count(c1) << endl;
//            cout << x.count(c2) << endl;
        }
    }
    return ans;
}

//int main() {
//    int n;
//    cin >> n;
//    vector<int> a(n);
//    for (int i = 0; i < n; ++i)
//        cin >> a[i];
//    cout << sequence(n, a);
//    return 0;
//}

Compilation message (stderr)

sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:24:29: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |             if (x.count(c1) > ans)
      |                 ~~~~~~~~~~~~^~~~~
sequence.cpp:26:29: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |             if (x.count(c2) > ans)
      |                 ~~~~~~~~~~~~^~~~~

• Subtask 1: 11 / 11
• Subtask 2: 0 / 17
• Subtask 3: 0 / 7
• Subtask 4: 0 / 12
• Subtask 5: 0 / 13
• Subtask 6: 0 / 22
• Subtask 7: 0 / 18