Submission #881745

#	Time	Username	Problem	Language	Result	Execution time	Memory
881745		spdling	A Plus B (IOI23_aplusb)	C++17	100 / 100	62 ms	10788 KiB

aplusb

#include<vector>
#include<set>
using namespace std;
vector<int> smallest_sums(int N, vector<int> A, vector<int> B) {
  vector<int> ans;
  int ans_n = 0;
  set<pair<int, pair<int, int>>> cands;
  for (int i = 0 ; i < N; ++i) {
    cands.insert({A[i] + B[0], {i, 0}});
  }
  while (ans_n < N) {
    auto cur = cands.begin();
    ans.push_back(cur->first);
    ans_n++;
 
    int i = cur->second.first;
    int j = cur->second.second;
    cands.erase(cur);
    if (j+1 < N) {
      cands.insert({A[i] + B[j+1], {i,j+1}});
    }
  }
 
  return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 40 / 40