제출 #1256615

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1256615		MisterReaper	Karte (COCI18_karte)	C++20	120 / 120	67 ms	6844 KiB

karte

// File E.cpp created on 11.08.2025 at 20:06:59
#include <bits/stdc++.h>

using i64 = long long;

#ifdef DEBUG 
    #include "/home/ahmetalp/Desktop/Workplace/debug.h"
#else
    #define debug(...) void(23)
#endif

int calc(int n, std::vector<int> vec) {
    int cnt = 0;
    for (int i = n - 1; i >= 0; --i) {
        cnt += (vec[i] > cnt);
    }
    return cnt;
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int N, K;
    std::cin >> N >> K;

    std::vector<int> A(N);
    for (int i = 0; i < N; ++i) {
        std::cin >> A[i];
    }

    std::sort(A.begin(), A.end());

    auto ans = A;
    std::reverse(ans.begin(), ans.begin() + N - K);
    std::reverse(ans.begin() + N - K, ans.end());

    debug(ans);

    if (calc(N, ans) == K) {
        for (int i = 0; i < N; ++i) {
            std::cout << ans[i] << " \n"[i == N - 1];
        }
    } else {
        std::cout << "-1\n";
    }

    return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 12 / 12
• Subtask 3: 12 / 12
• Subtask 4: 12 / 12
• Subtask 5: 12 / 12
• Subtask 6: 12 / 12
• Subtask 7: 12 / 12
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• Subtask 10: 12 / 12