#include <bits/stdc++.h> using namespace std; const int A = 1000 * 1000; int cnt[A]; int main() { ios_base::sync_with_stdio(false); int n; cin >> n; for (int i = 0; i < n; i++) { int a; cin >> a; cnt[a]++; } int res = 0; for (int i = 0; i < A; i++) { if (cnt[i]) { res = i; cnt[i + 1] += cnt[i] / 2; } } cout << res << "\n"; }
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 A = 1000 * 1000; int cnt[A]; int main() { ios_base::sync_with_stdio(false); int n; cin >> n; for (int i = 0; i < n; i++) { int a; cin >> a; cnt[a]++; } int res = 0; for (int i = 0; i < A; i++) { if (cnt[i]) { res = i; cnt[i + 1] += cnt[i] / 2; } } cout << res << "\n"; } |