Submission #1100786

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1100786	2024-10-14 17:35:22	Kirill22	DEL13 (info1cup18_del13)	C++17	0 / 100	5 ms	1660 KiB

del13

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#include "bits/stdc++.h"
using namespace std;
void solve() {
    int n, m;
    cin >> n >> m;
    if (!m) {
        cout << -1 << '\n';
        return;
    }
    vector<int> a(n);
    for (int i = 0; i < m; i++) {
        int x;
        cin >> x;
        x--;
        a[x] = 1;
    }
    vector<int> ans, tmp;
    int want = 0;
    for (int i = 0; i < n; i++) {
        if (a[i] == 1) {
            if (want) {
                cout << -1 << '\n';
                return;
            }
            while ((int) tmp.size() >= 3) {
                ans.push_back(tmp.end()[-2]);
                tmp.pop_back();
                tmp.pop_back();
 
 
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• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 25
• Subtask 5: 0 / 30