Submission #916102

#	Time	Username	Problem	Language	Result	Execution time	Memory
916102		Aiperiii	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
#define ss second
#define pb push_back
vector<int> find_subset(int l, int u, vector<int> w) {
    int n=w.size();
    vector <pair <int,int> >  v;
    for(int i=0;i<n;i++){
       v.pb({w[i],i});
    }
    sort(all(v));
    int sum=0,p1=0;
    vector <int> ans;
    for(int i=0;i<n;i++){
       sum+=v[i].ff;
       while(sum>u){
          sum-=v[p1].ff;
          p1++;
       }
       if(sum>=l && sum<=u){
          for(int j=p1;j<=i;j++)ans.pb(v[j].ss);
          break;
       }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:10: error: 'all' was not declared in this scope
   12 |     sort(all(v));
      |          ^~~
molecules.cpp:16:18: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'ff'
   16 |        sum+=v[i].ff;
      |                  ^~
molecules.cpp:18:22: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'ff'
   18 |           sum-=v[p1].ff;
      |                      ^~