#include <iostream> #include <vector> using namespace std; int main() { ios_base::sync_with_stdio(0); vector<int> monety(210000); int n; cin >> n; for (int i = 0; i < n; i++) { int m; cin >> m; monety[m] += 1; } for (int i = 0; i < monety.size(); i++) { int m = monety[i]; int div = 2; monety[i] = m % div; // residue m = m / 2; int cnt = 0; while (m > 0) { int res = m % 2; m = m / 2; cnt++; monety[cnt+i] += res; } } for(int i = monety.size() - 1; i >= 0; i--) { if(monety[i] > 0) { cout << i << 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 | #include <iostream> #include <vector> using namespace std; int main() { ios_base::sync_with_stdio(0); vector<int> monety(210000); int n; cin >> n; for (int i = 0; i < n; i++) { int m; cin >> m; monety[m] += 1; } for (int i = 0; i < monety.size(); i++) { int m = monety[i]; int div = 2; monety[i] = m % div; // residue m = m / 2; int cnt = 0; while (m > 0) { int res = m % 2; m = m / 2; cnt++; monety[cnt+i] += res; } } for(int i = monety.size() - 1; i >= 0; i--) { if(monety[i] > 0) { cout << i << endl; return 0; } } return 0; } |