Submission #957336

#	Time	Username	Problem	Language	Result	Execution time	Memory
957336		Alexabcde1	Detecting Molecules (IOI16_molecules)	C++14	10 / 100	1058 ms	348 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
#define f first
#define s second
using namespace std;
long long ll,rr;
vector<pair<long long,long long> > ve;
vector<int> find_subset(int l, int u, std::vector<int> w) {
    vector<int> ans;
    for (int i=0;i<w.size();i++){
        ve.push_back({w[i],i});
    }
    sort(ve.begin(),ve.end());
    for (int i=1;i<w.size();i++) ve[i].f+=ve[i-1].f;
    ll=0; rr=0;
    while (rr<w.size()){
        long long sum=ve[rr].f;
        if (ll!=0) sum-=ve[ll-1].f;
        if (l<=sum && sum<=u){
            for (int ii=ll;ii<=rr;ii++) ans.push_back(ve[ii].s);
            sort(ans.begin(),ans.end());
            return ans;
        }
        else if (sum<l) rr++;
        else {
            ll++;
            if (rr<ll) ll=rr;
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:19: 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:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for (int i=1;i<w.size();i++) ve[i].f+=ve[i-1].f;
      |                  ~^~~~~~~~~
molecules.cpp:16:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     while (rr<w.size()){
      |            ~~^~~~~~~~~

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