Submission #259227

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
259227	2020-08-07 12:33:41	vioalbert	Ice Hockey World Championship (CEOI15_bobek)	C++14	100 / 100	293 ms	33476 KiB

bobek

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N = 45, MAX = 20;
ll n, m, border;
ll a[N];
ll dp1[(1<<MAX)], dp2[(1<<MAX)];
vector<ll> v1, v2;
int main() {
  ios::sync_with_stdio(0); cin.tie(0);
  cin >> n >> m;
  border = (n+1)/2;
  for(int i = 0; i < n; i++) {
    cin >> a[i];
  }
  sort(a, a+n, greater<ll>());
  for(int i = 0; i < border; i++)
    dp1[(1<<i)] = a[i];
  dp1[0] = 0;
  for(ll mask = 0; mask < (1<<border); mask++) {
    if(__builtin_popcount(mask) > 1) {
      int x = mask&(-mask);
      dp1[mask] = dp1[x] + dp1[mask^x];
    }
    if(dp1[mask] <= m) {
      v1.push_back(dp1[mask]);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10