Submission #777522

#	Time	Username	Problem	Language	Result	Execution time	Memory
777522		JoenPoenMan	Detecting Molecules (IOI16_molecules)	C++17	10 / 100	1 ms	340 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
 
using namespace std;
 
vector<vector<int>> dp;
 
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    dp.resize(u+1);
    for (int i = 0; i < w.size(); i++) {
        for (int j = dp.size()-1; j > 0; j--) {
            if (dp[j].size() > 0 && j+w[i] <= u) {
                dp[j+w[i]] = dp[j];
                dp[j+w[i]].push_back(i);
                if (j+w[i] >= l) return dp[j+w[i]]; 
            }
        }
        dp[w[i]] = {i};
    }
 
    return std::vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for (int i = 0; i < w.size(); i++) {
      |                     ~~^~~~~~~~~~

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