Submission #875746

#	Time	Username	Problem	Language	Result	Execution time	Memory
875746		raul2008487	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
#define ll int
#define all(v) v.begin(), v.end()
#define pb push_back
#define vl vector<ll>
using namespace std;
bool check(ll cur, ll low, ll high){
    return (cur <= high && cur >= low);
}
vector<int> find_subset(int l, int u, vector<int> w) {
    vl ans;
    vector<pair<ll,ll>> p;
    ll i, j, n = w.size(), left = 0, r = 1, sum = w[0];
    for(i=0;i<n;i++){
        p.pb({w[i], i});
    }
    sort(all(p));
    bool as = 0;
    while(r <= n){
        if(check(sum, left, u)){
            for(i=left+1;i<=r;i++){
                ans.pb(p[i-1].se);
                break;
            }
        }
        else if(sum > u){
            left++;
            sum -= p[l-1].fi;
        }
        else{
            r++;
            sum += p[r-1].fi;
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:23:31: 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 'se'
   23 |                 ans.pb(p[i-1].se);
      |                               ^~
molecules.cpp:29:27: 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 'fi'
   29 |             sum -= p[l-1].fi;
      |                           ^~
molecules.cpp:33:27: 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 'fi'
   33 |             sum += p[r-1].fi;
      |                           ^~
molecules.cpp:14:11: warning: unused variable 'j' [-Wunused-variable]
   14 |     ll i, j, n = w.size(), left = 0, r = 1, sum = w[0];
      |           ^
molecules.cpp:19:10: warning: unused variable 'as' [-Wunused-variable]
   19 |     bool as = 0;
      |          ^~