#include <iostream> #include <algorithm> using namespace std; int tab[2007]; int ile[2007]; int n, k, x; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; int j = 0; for (int i = 0; i < n; i++) { cin >> x; x *= -1; if (ile[-x] == 0) { tab[j] = x; j++; } ile[-x]++; } sort(tab, tab + 2007); /* 5 3 75 90 120 75 40 5 2 1 1 1 2 3 5 1 3 3 3 2 1 5 3 1 1 1 1 1 5 3 1 1 1 1 2 for (int i = 0; i < j; i++) cout << tab[i] << " "; cout << endl; for (int i = 0; i < j; i++) cout << ile[-tab[i]] << " "; cout << endl; */ int wyn = 0; for (int i = 0; i < j; i++) { //cout << tab[i] << " " << ile[tab[i]] << endl; wyn += ile[-tab[i]]; if (wyn >= k) { cout << wyn << endl; return 0; } } return 0; }
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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | #include <iostream> #include <algorithm> using namespace std; int tab[2007]; int ile[2007]; int n, k, x; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> k; int j = 0; for (int i = 0; i < n; i++) { cin >> x; x *= -1; if (ile[-x] == 0) { tab[j] = x; j++; } ile[-x]++; } sort(tab, tab + 2007); /* 5 3 75 90 120 75 40 5 2 1 1 1 2 3 5 1 3 3 3 2 1 5 3 1 1 1 1 1 5 3 1 1 1 1 2 for (int i = 0; i < j; i++) cout << tab[i] << " "; cout << endl; for (int i = 0; i < j; i++) cout << ile[-tab[i]] << " "; cout << endl; */ int wyn = 0; for (int i = 0; i < j; i++) { //cout << tab[i] << " " << ile[tab[i]] << endl; wyn += ile[-tab[i]]; if (wyn >= k) { cout << wyn << endl; return 0; } } return 0; } |