제출 #1351209

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1351209		Iwantbemaster	Detecting Molecules (IOI16_molecules)	C11	컴파일 에러	0 ms	0 KiB

molecules

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

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

    for (int i = 0; i < n; i++) {
        sorted_w[i] = {w[i], i};
    }
    sort(sorted_w.begin(), sorted_w.end());

    long long sum = 0;
    int left = 0;

    for (int right = 0; right < n; right++) {
        sum += sorted_w[right].first;

        while (sum > u && left <= right) {
            sum -= sorted_w[left].first;
            left++;
        }

        if (sum >= l && sum <= u) {
            vector<int> result;
            for (int i = left; i <= right; i++) {
                result.push_back(sorted_w[i].second);
            }
            return result;
        }
    }

    return {};
}

int main() {
    int n, l, u;
    cin >> n >> l >> u;

    vector<int> w(n);
    for (int i = 0; i < n; i++) {
        cin >> w[i];
    }

    vector<int> result = find_subset(l, u, w);

    cout << result.size() << "\n";
    for (int idx : result) {
        cout << idx << " ";
    }
    if (!result.empty()) cout << "\n";

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.c:1:10: fatal error: iostream: No such file or directory
    1 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.