#include <bits/stdc++.h> using namespace std; void IO(string s = "") { if (s == "") { freopen("input.txt", "r", stdin); freopen("output 2.txt", "w", stdout); } if (s != "") { freopen((s + ".in").c_str(), "r", stdin); freopen((s + ".out").c_str(), "w", stdout); } } int main() { ios::sync_with_stdio(false); cin.tie(0); //IO(); int n; int m; cin >> n >> m; vector<int> nums(n); for (int i = 0; i < n; i++) { cin >> nums[i]; } sort(nums.begin(), nums.end()); int correct = n - m; vector<int> a; for (int i = correct - 1; i >= 0; i--) { a.push_back(nums[i]); } vector<int> b; for (int i = n - 1; i >= correct; i--) { b.push_back(nums[i]); } vector<int> vals; for (int x: a) vals.push_back(x); for (int x: b) vals.push_back(x); int bad = 0; for (int i = n - 1; i >= 0; i--) { if (vals[i] > bad) { bad++; } } if (bad == m) { for (int i = 0; i < n; i++) { cout<< vals[i] << " "; } cout << endl; } else cout << -1 << endl; }

karte.cpp: In function 'void IO(std::string)':
karte.cpp:8:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
karte.cpp:9:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |         freopen("output 2.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
karte.cpp:13:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         freopen((s + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
karte.cpp:14:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         freopen((s + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~