Submission #1200344

#	Time	Username	Problem	Language	Result	Execution time	Memory
1200344		abckefji	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pi pair<int, int>
#define ti tuple<int, int, int>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()


#include "molecules.h"

vector<int> find_subset(int l, int r, vector<int> w) {
    int n=w.size();
    ll currsum=0;
    
    deque<int> window;
    
    for(int i=0; i<n; i++) {
        currsum+=w[i];
        window.push_back(i);
        while(window.size() && currsum>r) {
            currsum-=w[window.front()];
            window.pop_front();
        }
        
        if(window.size() && currsum>=l) {
            return vector<int>(window.begin(), window.end());
        }
    }
    
    return std::vector<int>(0);
}



int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    for(auto &x: find_subset(15, 17, {6, 8, 8, 7})) cout << x << " ";
    
    return 0;
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/usr/bin/ld: /tmp/ccXs8k2A.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccfvDYI2.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status