#include <bits/stdc++.h> using namespace std; const int N = int(3e5) + 99; const int SIZE = 121; int n, x, k; int a[SIZE]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> k; for (int i = 0; i <n; i++) { cin >> x; a[x]++; } int sum = 0; for (int i = SIZE-1; i >= 0; i--) { if (k <= 0) break; sum += a[i]; k -= a[i]; } cout << sum << endl; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | #include <bits/stdc++.h> using namespace std; const int N = int(3e5) + 99; const int SIZE = 121; int n, x, k; int a[SIZE]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> k; for (int i = 0; i <n; i++) { cin >> x; a[x]++; } int sum = 0; for (int i = SIZE-1; i >= 0; i--) { if (k <= 0) break; sum += a[i]; k -= a[i]; } cout << sum << endl; } |