Submission #757249

#	Time	Username	Problem	Language	Result	Execution time	Memory
757249		Seb	Detecting Molecules (IOI16_molecules)	C++17	31 / 100	1070 ms	53816 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

vector <int> sum[10005],aux[10005];

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    for (int i=0;i<w.size();i++) {
        for (int j=0;j<=10000;j++) {
            if (!sum[j].empty()) {
                if (w[i]+j < 10005) {
                    aux[w[i]+j] = sum[j];
                    aux[w[i]+j].push_back(i);
                }
            }
        }
        for (int j=0;j<=10000;j++) {
            if (!aux[j].empty()) swap(aux[j],sum[j]);
            aux[j].clear();
        }
        if (sum[w[i]].empty()) sum[w[i]].push_back(i);
    }
    for (int i=l;i<=u;i++) if (!sum[i].empty()) return sum[i];
    return vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for (int i=0;i<w.size();i++) {
      |                  ~^~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 12 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31