Submission #397135

#	Time	Username	Problem	Language	Result	Execution time	Memory
397135		ak2006	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
#define ll long long
#define vi vector<int>
#define vvi vector<vi>
vi find_subset(int l,int u,vi w)
{
  int n = w.size();
  vvi a(n,vi(2));
  for (int i = 0;i<n;i++)a[i][0] = w[i],a[i][1] = i;
  sort(a.begin(),a.end());
  ll sum = a[0][0],l = 0,r = 1;
  while (r <= n){
    if (sum >= mn && sum <= mx)break;
    if (sum > mx){sum -= a[l][0];l++;}
    else {if (r == n)break;sum += a[r][0];r++;}
    if (sum >= mn && sum <= mx)break;
  }

  if (sum >= mn && sum <= mx){
    	vi ret;
    for (int i = l;i<r;i++)ret.push_back(a[i][1]);
    return ret;
  }
  return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:20: error: declaration of 'long long int l' shadows a parameter
   13 |   ll sum = a[0][0],l = 0,r = 1;
      |                    ^
molecules.cpp:15:16: error: 'mn' was not declared in this scope; did you mean 'n'?
   15 |     if (sum >= mn && sum <= mx)break;
      |                ^~
      |                n
molecules.cpp:15:29: error: 'mx' was not declared in this scope
   15 |     if (sum >= mn && sum <= mx)break;
      |                             ^~
molecules.cpp:16:15: error: 'mx' was not declared in this scope
   16 |     if (sum > mx){sum -= a[l][0];l++;}
      |               ^~
molecules.cpp:18:16: error: 'mn' was not declared in this scope; did you mean 'n'?
   18 |     if (sum >= mn && sum <= mx)break;
      |                ^~
      |                n
molecules.cpp:18:29: error: 'mx' was not declared in this scope
   18 |     if (sum >= mn && sum <= mx)break;
      |                             ^~
molecules.cpp:21:14: error: 'mn' was not declared in this scope; did you mean 'n'?
   21 |   if (sum >= mn && sum <= mx){
      |              ^~
      |              n
molecules.cpp:21:27: error: 'mx' was not declared in this scope
   21 |   if (sum >= mn && sum <= mx){
      |                           ^~