Submission #740501

#	Time	Username	Problem	Language	Result	Execution time	Memory
740501		JakobZorz	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	0 ms	212 KiB

molecules

#include "molecules.h"
#include <algorithm>
using namespace std;
#define ll long long

vector<int> find_subset(int l, int u, vector<int> w) {
    int m1=0,m2=0;
    int sum=0;
    vector<pair<int,int>> w2;
    for(int i=0;i<w.size();i++)
        w2.push_back({w[i],i+1});
    sort(w2.begin(),w2.end());
    while(sum<l&&m2<w2.size())
        sum+=w2[m2++].first;
    while(sum>u&&m1<m2)
        sum-=w2[m1++].first;
    if(sum>=l&&sum<=u){
        vector<int> res;
        for(int i=m1;i<m2;i++)
            res.push_back(w2[i].second);
        return res;
    } else return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:18: 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++)
      |                 ~^~~~~~~~~
molecules.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     while(sum<l&&m2<w2.size())
      |                  ~~^~~~~~~~~~

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