Submission #984177

#	Time	Username	Problem	Language	Result	Execution time	Memory
984177		alphagomaster	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
  int n,u;
  int l;
  cin >> n >> l >> u;
  pair<int,int> w[n];
  for(int i = 0 ; i < n;i++){
    cin >> w[i].first;
    w[i].second=i;
  }
  sort(w,w+n);
  int j = 0;
  int sum = 0;
  deque<int>v;
  for(int i = 0;  i < n;i++){
    v.push_back(w[i].second);
    sum += w[i].first;
    while(sum > u){
      sum -= w[j].first;
      j ++;
      
      v.pop_front();
    }
    if(sum >= l && sum <= u){
      cout << i-j+1 << endl;
      for(int jj = 0; jj <size(v);jj++){
        cout << v[jj]<<" ";
      }
      cout << endl;
      return 0;
    }
  }
  cout << 0 << endl;
  return 0;
}

Compilation message (stderr)

molecules.cpp: In function 'int main()':
molecules.cpp:28:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |       for(int jj = 0; jj <size(v);jj++){
      |                       ~~~^~~~~~~~
/usr/bin/ld: /tmp/ccJkLSmL.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYqzf1M.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccJkLSmL.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status