#include<iostream> using namespace std; const int N = 201718 + 19 + 7; int A[N] = {0}; int main() { int n; cin>>n; for(int i=0; i<n; i++) { int a; cin>>a; A[a]++; } int m = 1; for(int i=1; i<N-1; i++) { if(A[i] > 0) m = i; A[i+1] += A[i]/2; } cout<<m<<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 | #include<iostream> using namespace std; const int N = 201718 + 19 + 7; int A[N] = {0}; int main() { int n; cin>>n; for(int i=0; i<n; i++) { int a; cin>>a; A[a]++; } int m = 1; for(int i=1; i<N-1; i++) { if(A[i] > 0) m = i; A[i+1] += A[i]/2; } cout<<m<<endl; return 0; } |