Kyselyt

input/code.cpp: In function 'int main()':
input/code.cpp:17:22: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         if (luvut[i] >= summataulu.size()) {

#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    int n, q;
    cin >> n >> q;
    vector<int> luvut(n+1, -1);
    vector<vector<int>> summataulu(101);
    for (auto& rivi : summataulu) {
        rivi.resize(n+1, 0);
    }
    int max_luku = 0;
    for (int i = 1; i <= n; i++) {
        cin >> luvut[i];
        if (luvut[i] >= summataulu.size()) {
            return 0;
        }
        summataulu[luvut[i]][i] = 1;
        max_luku = max(max_luku, luvut[i]);
    }
    for (auto& rivi : summataulu) {
        for (int i = 1; i <= n; i++) {
            rivi[i] += rivi[i-1];
        }
    }

    for (int i = 0; i < q; i++) {
        int a, b;
        cin >> a >> b;
        int vastaus = -1;
        for (int luku = 1; luku <= max_luku; luku++) {
            int maara = summataulu[luku][b] - summataulu[luku][a-1];
            if (maara > (b - a + 1) / 2) {
                vastaus = luku;
            }
        }
        cout << vastaus << "\n";
    }
}

Test 1

Group: 1, 2, 3, 4

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3, 4

Verdict: ACCEPTED

Test 3

Group: 1, 3, 4

Verdict: ACCEPTED

Test 4

Group: 2, 3, 4

Verdict: ACCEPTED

Test 5

Group: 2, 3, 4

Verdict: ACCEPTED

Test 6

Group: 2, 3, 4

Verdict: ACCEPTED

Test 7

Group: 3, 4

Verdict: WRONG ANSWER

Test 8

Group: 4

Verdict: ACCEPTED

Test 9

Group: 4

Verdict: ACCEPTED

Test 10

Group: 4

Verdict: WRONG ANSWER

Test 11

Group: 3, 4

Verdict: WRONG ANSWER

Test 12

Group: 4

Verdict: WRONG ANSWER

Test 13

Group: 3, 4

Verdict: WRONG ANSWER

Test 14

Group: 4

Verdict: WRONG ANSWER

Test 15

Group: 4

Verdict: WRONG ANSWER

Test 16

Group: 4

Verdict: ACCEPTED