Submission #350877

#	Time	Username	Problem	Language	Result	Execution time	Memory
350877		spike1236	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ll long long
#define ld long double
#define all(_v) _v.begin(), _v.end()
#define sz(_v) (int)_v.size()
#define pii pair <int, int>
#define pll pair <ll, ll>
#define veci vector <int>
#define vecll vector <ll>


const int dx[4] = {1, -1, 0, 0};
const int dy[4] = {0, 0, -1, 1};
const double PI = 3.1415926535897932384626433832795;
const double eps = 1e-9;
const int MOD1 = 1e9 + 7;
const int MOD2 = 998244353;

veci find_subset(int asd, int asdas, veci w) {
    ll l = asd, r = asdas;
    int n = sz(w);
    vector <pair <ll, int> > a;
    for(int i = 0; i < n; ++i)
        a.pb(mp(w[i], i));
    sort(all(a));
    ll sum = 0;
    for(int i = n - 1; i >= 0; --i) {
        sum += a[i].f;
        if(a[n - 1].f - a[i].f <= r - l && l <= sum && sum <= r) {
            veci res;
            for(int j = i; j < n; ++j) res.pb(a[j].s);
            return res;
        }
    }
    multiset <pair <ll, int> > st;
    sum = 0;
    for(int i = 0; i < n; ++i) {
        if(sum + a[i].f <= r) {
            sum += a[i].f;
            st.insert(a[i]);
        } else {
            if(!st.empty()) {
                auto it = *st.rbegin();
                st.erase(--st.end());
                sum -= it.f;
                sum += a[i].f;
                st.insert(a[i]);
            }
        }
        if(l <= sum && sum <= r) {
            auto mx = *st.rbegin();
            auto mn = *st.begin();
            if(mx.f - mn.f <= r - l) {
            veci res;
            for(auto it : st) res.pb(it.s);
            return res;
            }
        }
    }
    return {};
}

void solve() {
    veci res = find_subset(10, 20, {15, 17, 16, 18});
    cout << sz(res) << '\n';
    for(int i = 0; i < sz(res); ++i) cout << res[i] << ' ';
}


int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T = 1;
    ///cin >> T;
    while(T--) solve(), cout << '\n';
    return 0;
}

Compilation message (stderr)

/tmp/cc2ZpIcV.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccHAT3In.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status