Submission #1062616

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062616		TsotneSV	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#pragma once

#include <bits/stdc++.h>
using namespace std;

/* /\_/\
  (= ._.)
  / >  \>
*/

#define fi first
#define se second


vector<int> find_subset(int l, int u, vector<int> w) {
    
    int n = w.size();

    pair<int,int> A[n];

    for(int i=0;i<n;i++) A[i] = {w[i],i};

    sort(A,A+n);

    int lo = 0,hi = 0; ll sum = 0;

    while(hi < n) {

        sum += A[hi++].fi;

        while(lo < hi-1 and sum > u) sum -= A[lo++].fi;

        if(sum >= l) {

            vector<int> ret(hi - lo);

            for(int i=lo;i<hi;i++) ret[i-lo] = A[i].se;
            return ret;
        }

    }
    
    return vector<int>(0);
}

Compilation message (stderr)

molecules.cpp:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:25:24: error: 'll' was not declared in this scope; did you mean 'lo'?
   25 |     int lo = 0,hi = 0; ll sum = 0;
      |                        ^~
      |                        lo
molecules.cpp:29:9: error: 'sum' was not declared in this scope
   29 |         sum += A[hi++].fi;
      |         ^~~