Submission #101773

#	Time	Username	Problem	Language	Result	Execution time	Memory
101773		coldEr66	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	75 ms	6252 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
// #include "molecules.h"
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(),a.end()
#define X first
#define Y second

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
  vector<int> ret;
  vector<pair<int,int> > tmp;
  for (int i=0;i<SZ(w);i++) tmp.emplace_back(w[i],i);
  sort(ALL(tmp));

  long long sum = 0;
  int L = 0, R = 0;
  for (;L<SZ(w);L++) {
    while (sum < l && R < SZ(w)) sum += tmp[R++].X;
    if (l <= sum && sum <= u) {
      for (int i=L;i<R;i++) ret.emplace_back(tmp[i].Y);
      break;
    }
    if (L < R) sum -= tmp[L].X;
  }
  return ret;
}

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 15 / 15
• Subtask 5: 23 / 23
• Subtask 6: 31 / 31