Submission #1098570

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1098570	2024-10-09 15:36:58	Trisanu_Das	Make them Meet (EGOI24_makethemmeet)	C++17	70 / 100	1812 ms	1048576 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
int main() {
    int n, m;
    cin >> n >> m;
    vector<vector<int>> g(n);
    vector<vector<int>> adj(n, vector<int>(n, 0));
    
    for (int i = 0; i < m; i++) {
        int x, y;
        cin >> x >> y;
        if (x == y || adj[x][y]) continue;
        g[x].push_back(y);
        g[y].push_back(x);
        adj[x][y] = adj[y][x] = 1;
    }
    if (!count_if(g.begin(), g.end(), [&](const vector<int>& v) { return v.size() < n - 1; })) {
        int q = n + (n % 2);
        vector<int> circ(q), col(q, 0);
        iota(circ.begin(), circ.end(), 0);
        cout << 2 * (q - 1) << endl;
        for (int _ = 0; _ < q - 1; _++) {
            for (int i = 0; i < q / 2; i++) {
                col[circ[i]] = col[circ[q - 1 - i]] = i;
            }
            for (int i = 0; i < n; i++) cout << col[i] << ' ';
            cout << endl;
            for (int i = 0; i < n; i++) cout << col[i] << ' ';
 
 
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Compilation message (stderr)

Main.cpp: In lambda function:
Main.cpp:19:83: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |     if (!count_if(g.begin(), g.end(), [&](const vector<int>& v) { return v.size() < n - 1; })) {
      |                                                                          ~~~~~~~~~^~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 13 / 13
• Subtask 3: 11 / 11
• Subtask 4: 36 / 36
• Subtask 5: 0 / 30