Submission #403294

#	Time	Username	Problem	Language	Result	Execution time	Memory
403294		Leonardo_Paes	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	48 ms	3420 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second

vector<int> find_subset(int ll, int u, vector<int> w){
    vector<int> ans;
    vector<pair<int,int>> v(w.size());
    for(int i=0; i<v.size(); i++) v[i] = {w[i], i};
    sort(v.begin(), v.end());
    int l = 0, sum = 0;
    for(int r=0; r<v.size(); r++){
        sum += v[r].f;
        while(sum > u) sum -= v[l++].f;
        if(ll <= sum and sum <= u){
            while(l <= r) ans.push_back(v[l++].s);
            break;
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:9:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(int i=0; i<v.size(); i++) v[i] = {w[i], i};
      |                  ~^~~~~~~~~
molecules.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int r=0; r<v.size(); r++){
      |                  ~^~~~~~~~~

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