Submission #305534

#	Time	Username	Problem	Language	Result	Execution time	Memory
305534		juggernaut	Detecting Molecules (IOI16_molecules)	C++14	69 / 100	55 ms	5612 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
vector<int>find_subset(int a,int b,vector<int>w){
    vector<int>ans;
    vector<pair<int,int>>v;
    int i,sum=0,l,r=0;
    for(;r<w.size();r++)v.push_back({w[r],r});
    sort(v.begin(),v.end());
    for(r=0;r<w.size();r++){
        sum+=v[r].first;
        while(sum>b)sum-=v[l++].first;
        if(sum>=a){
            for(;l<=r;l++)ans.push_back(v[l].second);
            return ans;
        }
    }
    return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(;r<w.size();r++)v.push_back({w[r],r});
      |          ~^~~~~~~~~
molecules.cpp:9:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(r=0;r<w.size();r++){
      |             ~^~~~~~~~~
molecules.cpp:6:9: warning: unused variable 'i' [-Wunused-variable]
    6 |     int i,sum=0,l,r=0;
      |         ^
molecules.cpp:6:17: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
    6 |     int i,sum=0,l,r=0;
      |                 ^

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