#include <iostream> #include <cmath> using namespace std; int main() { int n,k; cin>>n; int tab[201719]; for(int j=0; j<201719; j++){tab[j]=0;} for(int i=0; i<n; i++) { cin>>k; tab[k]++; } for(int z=0; z<201718; z++) { if(tab[z]>=2) { tab[z+1]+=tab[z]/2; tab[z]=tab[z]%2; } } int x = 201718; while(tab[x]==0) {x--;} int result = x + (int)floor(log2((tab[x]))); cout<<result; 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 | #include <iostream> #include <cmath> using namespace std; int main() { int n,k; cin>>n; int tab[201719]; for(int j=0; j<201719; j++){tab[j]=0;} for(int i=0; i<n; i++) { cin>>k; tab[k]++; } for(int z=0; z<201718; z++) { if(tab[z]>=2) { tab[z+1]+=tab[z]/2; tab[z]=tab[z]%2; } } int x = 201718; while(tab[x]==0) {x--;} int result = x + (int)floor(log2((tab[x]))); cout<<result; return 0; } |