#include <bits/stdc++.h> using namespace std; const int MAX = 300000; int T[MAX]; int main() { ios_base::sync_with_stdio(false); int a, n, last; cin >> n; fill_n(T, MAX, 0); for(int i = 1; i <= n; i++) { cin >> a; last = max(last, a); T[a]++; } for(int i = 0; i < MAX - 1; i++) { T[i + 1] += T[i] / 2; if(T[i + 1]) last = i + 1; } cout << last << endl; 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 | #include <bits/stdc++.h> using namespace std; const int MAX = 300000; int T[MAX]; int main() { ios_base::sync_with_stdio(false); int a, n, last; cin >> n; fill_n(T, MAX, 0); for(int i = 1; i <= n; i++) { cin >> a; last = max(last, a); T[a]++; } for(int i = 0; i < MAX - 1; i++) { T[i + 1] += T[i] / 2; if(T[i + 1]) last = i + 1; } cout << last << endl; return 0; } |